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Keyless/Power Door Locks/Security System Symptom Troubleshooting - AUTO DOOR UNLOCK does not work

ElectronicCircuitSchematics-buttonSystemDescription-buttonKeyless/Power Door Locks/Security System Description - Overview - Refer to: Keyless/Power Door Locks/Security System Description - Components  or Keyless/Power Door Locks/Security System Description - Control/Function  or Keyless/Power Door Locks/Security System Description - Overview  or Keyless/Power Door Locks/Security System Description - System Diagram  Keyless/Power Door Locks/Security System Description - System Diagram - Refer to: Keyless/Power Door Locks/Security System Description - Components  or Keyless/Power Door Locks/Security System Description - Control/Function  or Keyless/Power Door Locks/Security System Description - Overview  or Keyless/Power Door Locks/Security System Description - System Diagram  Keyless/Power Door Locks/Security System Description - Control/Function - Refer to: Keyless/Power Door Locks/Security System Description - Components  or Keyless/Power Door Locks/Security System Description - Control/Function  or Keyless/Power Door Locks/Security System Description - Overview  or Keyless/Power Door Locks/Security System Description - System Diagram  Keyless/Power Door Locks/Security System Description - Components - Refer to: Keyless/Power Door Locks/Security System Description - Components  or Keyless/Power Door Locks/Security System Description - Control/Function  or Keyless/Power Door Locks/Security System Description - Overview  or Keyless/Power Door Locks/Security System Description - System Diagram 

AUTO DOOR UNLOCK does not work 

NOTE:
  • Before testing, make sure the No. B1-3 (60 A) fuse in the auxiliary under-hood fuse/relay box and No. A26 (10 A) fuse in the under-hood fuse/relay box are OK.
  • Check if Auto Door Unlock feature selected OFF, under MID customized settings for each remote transmitter: Driver 1 and 2.Make sure to test operation of each Auto Door Unlock setting to check function.
  • Before testing, make sure the No. C1 (20 A), No. C2 (20 A), No. C4 (20 A), No. 19 (10 A), No. C20 (10 A), No. C23 (7.5 A), No. C29 (7.5 A), No. C33 (10 A), No. C34 (10 A), No. C35 (10 A), and No. C41 (10 A) fuses in the under-dash fuse/relay box are OK.
  • There are two pairs of fuses in the same circuit (No. C34 and No. C35 fuses, No. C20 and No. C33 fuses, No. C19 and No. C41 fuses). If one fuse is blown, make sure to check the other fuse in the same circuit. If necessary, replace the blown fuse(s).
  1. Abnormal circuit check 1

    -1. Connect the HDS to the data link connector (DLC) .

    -2. Select DOOR LOCKS from the BODY ELECTRICAL SYSTEM SELECT menu with the HDS, and enter FUNCTIONAL TESTS.

    BODY ELECTRICAL - DOOR LOCKS - Functional Tests - Inspection

    Select UNLOCK ALL DOORS with the HDS.

    Do the door lock actuators work normally?

    YES 

    Go to step 22.

    NO 

    Driver's door lock circuit: go to step 2.

    NO 

    Front passenger's door lock circuit: go to step 7.

    NO 

    Left rear door lock circuit: go to step 12.

    NO 

    Right rear door lock circuit: go to step 17.

  2. Open wire check (+B F/BOX MAIN2 line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Measure the voltage between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
    Test point 1 Under-dash fuse/relay box connector F (18P) No. 4
    Test point 2 Body ground

    Is there battery voltage?

    YES 

    The +B F/BOX MAIN2 wire is OK. Go to step 3.

    NO 

    Repair an open or high resistance in the wire.

  3. Open wire check (GND line)

    -1. Disconnect the following connector.

    Under-dash fuse/relay box connector F (18P)

    -2. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeUnder-dash fuse/relay box connector F (18P): disconnected
    Test point 1 Under-dash fuse/relay box connector F (18P) No. 7
    Test point 2 Body ground

    Is there continuity?

    YES 

    The GND wire is OK. Go to step 4.

    NO 

    Repair an open or high resistance in the ground wire or poor ground (G301).

  4. Determine possible failure area (driver's door latch, others)

    -1. Disconnect the following connector.

    Driver's door latch 10P connector

    -2. Test the door lock actuator .

    Is the door lock actuator OK?

    YES 

    Go to step 5.

    NO 

    Faulty door lock actuator; replace the driver's door latch .

  5. Open wire check (DR DOOR UNLOCK line)

    -1. Disconnect the following connector.

    Under-dash fuse/relay box connector T (10P)

    -2. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeUnder-dash fuse/relay box connector E (36P): disconnectedUnder-dash fuse/relay box connector T (10P): disconnectedDriver's door latch 10P connector: disconnected
    Test point 1 Under-dash fuse/relay box connector T (10P) No. 5
    Test point 2 Driver's door latch 10P connector No. 1
    GHH373108Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The DR DOOR UNLOCK wire is OK. Go to step 6.

    NO 

    Repair an open or high resistance in the wire.

  6. Open wire check (DR DOOR LOCK line)

    -1. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeUnder-dash fuse/relay box connector E (36P): disconnectedUnder-dash fuse/relay box connector T (10P): disconnectedDriver's door latch 10P connector: disconnected
    Test point 1 Under-dash fuse/relay box connector T (10P) No. 6
    Test point 2 Driver's door latch 10P connector No. 4
    GHH373109Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The DR DOOR LOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box - Refer to: Under-Dash Fuse/Relay Box Removal and Installation (2019) or Under-Dash Fuse/Relay Box Removal and Installation .

    NO 

    Repair an open or high resistance in the wire.

  7. Open wire check (+B F/BOX MAIN2 line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Measure the voltage between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
    Test point 1 Under-dash fuse/relay box connector F (18P) No. 4
    Test point 2 Body ground

    Is there battery voltage?

    YES 

    The +B F/BOX MAIN2 wire is OK. Go to step 8.

    NO 

    Repair an open or high resistance in the wire.

  8. Open wire check (GND line)

    -1. Disconnect the following connector.

    Under-dash fuse/relay box connector F (18P)

    -2. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeUnder-dash fuse/relay box connector F (18P): disconnected
    Test point 1 Under-dash fuse/relay box connector F (18P) No. 7
    Test point 2 Body ground

    Is there continuity?

    YES 

    The GND wire is OK. Go to step 9.

    NO 

    Repair an open or high resistance in the ground wire or poor ground (G301).

  9. Determine possible failure area (Front passenger's door latch, others)

    -1. Disconnect the following connector.

    Front passenger's door latch 10P connector

    -2. Test the door lock actuator .

    Is the door lock actuator OK?

    YES 

    Go to step 10.

    NO 

    Faulty door lock actuator; replace the front passenger's door latch .

  10. Open wire check (R SIDE DOOR UNLOCK line)

    -1. Disconnect the following connector.

    Under-dash fuse/relay box connector S (18P)

    -2. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeUnder-dash fuse/relay box connector E (36P): disconnectedUnder-dash fuse/relay box connector S (18P): disconnectedFront passenger's door latch 10P connector: disconnected
    Test point 1 Under-dash fuse/relay box connector S (18P) No. 5
    Test point 2 Front passenger's door latch 10P connector No. 1
    GHH373110Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The R SIDE DOOR UNLOCK wire is OK. Go to step 11.

    NO 

    Repair an open or high resistance in the wire.

  11. Open wire check (R SIDE DOOR LOCK line)

    -1. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeUnder-dash fuse/relay box connector E (36P): disconnectedUnder-dash fuse/relay box connector S (18P): disconnectedFront passenger's door latch 10P connector: disconnected
    Test point 1 Under-dash fuse/relay box connector S (18P) No. 2
    Test point 2 Front passenger's door latch 10P connector No. 4
    GHH373111Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The R SIDE DOOR LOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box - Refer to: Under-Dash Fuse/Relay Box Removal and Installation (2019) or Under-Dash Fuse/Relay Box Removal and Installation .

    NO 

    Repair an open or high resistance in the wire.

  12. Open wire check (+B F/BOX MAIN2 line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Measure the voltage between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
    Test point 1 Under-dash fuse/relay box connector F (18P) No. 4
    Test point 2 Body ground

    Is there battery voltage?

    YES 

    The +B F/BOX MAIN2 wire is OK. Go to step 13.

    NO 

    Repair an open or high resistance in the wire.

  13. Open wire check (GND line)

    -1. Disconnect the following connector.

    Under-dash fuse/relay box connector F (18P)

    -2. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeUnder-dash fuse/relay box connector F (18P): disconnected
    Test point 1 Under-dash fuse/relay box connector F (18P) No. 7
    Test point 2 Body ground

    Is there continuity?

    YES 

    The GND wire is OK. Go to step 14.

    NO 

    Repair an open or high resistance in the ground wire or poor ground (G301).

  14. Determine possible failure area (Left rear door latch, others)

    -1. Disconnect the following connector.

    Left rear door latch 10P connector

    -2. Test the door lock actuator .

    Is the door lock actuator OK?

    YES 

    Go to step 15.

    NO 

    Faulty door lock actuator; replace the left rear door latch .

  15. Open wire check (L SIDE DOOR UNLOCK line)

    -1. Disconnect the following connector.

    Under-dash fuse/relay box connector D (44P)

    -2. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeUnder-dash fuse/relay box connector D (44P): disconnectedUnder-dash fuse/relay box connector E (36P): disconnectedLeft rear door latch 10P connector: disconnected
    Test point 1 Under-dash fuse/relay box connector D (44P) No. 12
    Test point 2 Left rear door latch 10P connector No. 1
    GHH373112Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The L SIDE DOOR UNLOCK wire is OK. Go to step 16.

    NO 

    Repair an open or high resistance in the wire.

  16. Open wire check (L SIDE DOOR LOCK line)

    -1. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeUnder-dash fuse/relay box connector D (44P): disconnectedUnder-dash fuse/relay box connector E (36P): disconnectedLeft rear door latch 10P connector: disconnected
    Test point 1 Under-dash fuse/relay box connector D (44P) No. 11
    Test point 2 Left rear door latch 10P connector No. 4
    GHH373113Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The L SIDE DOOR LOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box - Refer to: Under-Dash Fuse/Relay Box Removal and Installation (2019) or Under-Dash Fuse/Relay Box Removal and Installation .

    NO 

    Repair an open or high resistance in the wire.

  17. Open wire check (+B F/BOX MAIN2 line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Measure the voltage between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) mode
    Test point 1 Under-dash fuse/relay box connector F (18P) No. 4
    Test point 2 Body ground

    Is there battery voltage?

    YES 

    The +B F/BOX MAIN2 wire is OK. Go to step 18.

    NO 

    Repair an open or high resistance in the wire.

  18. Open wire check (GND line)

    -1. Disconnect the following connector.

    Under-dash fuse/relay box connector F (18P)

    -2. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeUnder-dash fuse/relay box connector F (18P): disconnected
    Test point 1 Under-dash fuse/relay box connector F (18P) No. 7
    Test point 2 Body ground

    Is there continuity?

    YES 

    The GND wire is OK. Go to step 19.

    NO 

    Repair an open or high resistance in the ground wire or poor ground (G301).

  19. Determine possible failure area (right rear door latch, others)

    -1. Disconnect the following connector.

    Right rear door latch 10P connector

    -2. Test the door lock actuator .

    Is the door lock actuator OK?

    YES 

    Go to step 20.

    NO 

    Faulty door lock actuator; replace the right rear door latch .

  20. Open wire check (R SIDE DOOR UNLOCK line)

    -1. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeUnder-dash fuse/relay box connector E (36P): disconnectedUnder-dash fuse/relay box connector S (18P): disconnectedRight rear door latch 10P connector: disconnected
    Test point 1 Under-dash fuse/relay box connector S (18P) No. 5
    Test point 2 Right rear door latch 10P connector No. 1
    GHH373114Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The R SIDE DOOR UNLOCK wire is OK. Go to step 21.

    NO 

    Repair an open or high resistance in the wire.

  21. Open wire check (R SIDE DOOR LOCK line)

    -1. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeUnder-dash fuse/relay box connector E (36P): disconnectedUnder-dash fuse/relay box connector S (18P): disconnectedRight rear door latch 10P connector: disconnected
    Test point 1 Under-dash fuse/relay box connector S (18P) No. 2
    Test point 2 Right rear door latch 10P connector No. 4
    GHH373115Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The R SIDE DOOR LOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box - Refer to: Under-Dash Fuse/Relay Box Removal and Installation (2019) or Under-Dash Fuse/Relay Box Removal and Installation .

    NO 

    Repair an open or high resistance in the wire.

  22. Abnormal circuit check 2

    -1. Check the parameter(s) below with the HDS when each switch is operated in lock and unlock positions.

    Door Multiplex Control Unit 

    Signal Current conditions
    Value Unit
    Driver's Door Lock Knob Switch (UNLOCK)    
    Passenger's Door Lock Knob Switch (UNLOCK)    

    MICU 

    Signal Current conditions
    Value Unit
    A/T Gear Position Switch (P)    
    Driver's Rear Door Lock Knob Switch (UNLOCK)    
    Passenger's Rear Door Lock Knob Switch (UNLOCK)    

    Is each switch information OK?

    YES 

    Faulty MICU; replace the under-dash fuse/relay box - Refer to: Under-Dash Fuse/Relay Box Removal and Installation (2019) or Under-Dash Fuse/Relay Box Removal and Installation .

    NO 

    Shift position in P circuit troubleshooting: go to step 23.

    NO 

    Driver's door lock knob switch circuit troubleshooting: go to step 29.

    NO 

    Front passenger's door lock knob switch circuit troubleshooting: go to step 35.

    NO 

    Left rear door lock knob switch circuit troubleshooting: go to step 41.

    NO 

    Right rear door lock knob switch circuit troubleshooting: go to step 47.

  23. Keyless/power door locks/security system check 1

    -1. With the shift position in P position, check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    A/T Gear Position Switch (P)    

    Is information value ON?

    YES 

    Go to step 24.

    NO 

    Go to step 26.

  24. Determine possible failure area (TCM, others)

    -1. Disconnect the following connector.

    TCM 58P connector

    -2. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    A/T Gear Position Switch (P)    

    Is information value OFF?

    YES 

    Replace the TCM .

    NO 

    Go to step 25.

  25. Shorted wire check (ATP-P line)

    -1. Disconnect the following connector.

    Under-dash fuse/relay box connector E (36P)

    -2. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeTCM 58P connector: disconnectedUnder-dash fuse/relay box connector E (36P): disconnected
    Test point 1 Under-dash fuse/relay box connector E (36P) No. 27
    Test point 2 Body ground

    Is there continuity?

    YES 

    Repair a short to ground in the wire.

    NO 

    The ATP-P wire is OK. Faulty MICU; replace the under-dash fuse/relay box - Refer to: Under-Dash Fuse/Relay Box Removal and Installation (2019) or Under-Dash Fuse/Relay Box Removal and Installation .

  26. Keyless/power door locks/security system check 2

    -1. Disconnect the following connector.

    TCM 58P connector

    -2. Connect terminals A and B with a jumper wire.

    Terminal A TCM 58P connector No. 32
    Terminal B Body ground

    -3. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    A/T Gear Position Switch (P)    

    Is information value ON?

    YES 

    Go to step 27.

    NO 

    Go to step 28.

  27. Open wire check (GND lines)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Remove the jumper wire.

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeTCM 58P connector: disconnected
    Test point 1 TCM 58P connector No. 1
    Test point 2 Body ground
    Test point 1 TCM 58P connector No. 2
    Test point 2 Body ground

    Is there continuity?

    YES 

    The GND wires are OK. Faulty TCM, replace the TCM .

    NO 

    Repair an open or high resistance in the ground wire or poor ground (G101).

  28. Open wire check (ATP-P line)

    -1. Remove the jumper wire.

    -2. Connect terminals A and B with a jumper wire.

    Terminal A Under-dash fuse/relay box connector E (36P) No. 27
    Terminal B Body ground

    -3. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    A/T Gear Position Switch (P)    

    Is information value ON?

    YES 

    Repair an open or high resistance in the wire.

    NO 

    The ATP-P wire is OK. Faulty MICU; replace the under-dash fuse/relay box - Refer to: Under-Dash Fuse/Relay Box Removal and Installation (2019) or Under-Dash Fuse/Relay Box Removal and Installation .

  29. Keyless/power door locks/security system check 1

    -1. With the driver's door lock knob switch in LOCK position, check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    Driver's Door Lock Knob Switch (UNLOCK)    

    Is information value ON?

    YES 

    Go to step 30.

    NO 

    Go to step 32.

  30. Determine possible failure area (driver's door latch, others)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Driver's door latch 10P connector

    -3. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    Driver's Door Lock Knob Switch (UNLOCK)    

    Is information value OFF?

    YES 

    Faulty driver's door lock knob switch; replace the driver's door latch .

    NO 

    Go to step 31.

  31. Shorted wire check (DR SILCON UNLOCK line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Power window master switch 37P connector

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeDriver's door latch 10P connector: disconnectedPower window master switch 37P connector: disconnected
    Test point 1 Power window master switch 37P connector No. 32
    Test point 2 Body ground

    Is there continuity?

    YES 

    Repair a short to ground in the wire.

    NO 

    The DR SILCON UNLOCK wire is OK. Replace the power window master switch .

  32. Keyless/power door locks/security system check 2

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Driver's door latch 10P connector

    -3. Connect terminals A and B with a jumper wire.

    Terminal A Driver's door latch 10P connector No. 5
    Terminal B Body ground
    GHH373116Courtesy of HONDA, U.S.A., INC.

    -4. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    Driver's Door Lock Knob Switch (UNLOCK)    

    Is information value ON?

    YES 

    Go to step 33.

    NO 

    Go to step 34.

  33. Open wire check (GND line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Remove the jumper wire.

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeDriver's door latch 10P connector: disconnected
    Test point 1 Driver's door latch 10P connector No. 7
    Test point 2 Body ground
    GHH373117Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The GND wire is OK. Faulty driver's door lock knob switch; replace the driver's door latch .

    NO 

    Repair an open or high resistance in the wire or poor ground (G401).

  34. Open wire check (DR SILCON UNLOCK line)

    -1. Remove the jumper wire.

    -2. Connect terminals A and B with a jumper wire.

    Terminal A Power window master switch 37P connector No. 32
    Terminal B Body ground

    -3. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    Driver's Door Lock Knob Switch (UNLOCK)    

    Is information value ON?

    YES 

    Repair an open or high resistance in the wire.

    NO 

    The DR SILCON UNLOCK wire is OK. Replace the power window master switch .

  35. Keyless/power door locks/security system check 1

    -1. With the front passenger's door lock knob switch in LOCK position, check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    Passenger's Door Lock Knob Switch (UNLOCK)    

    Is information indicator ON?

    YES 

    Go to step 36.

    NO 

    Go to step 38.

  36. Determine possible failure area (front passenger's door latch, others)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Front passenger's door latch 10P connector

    -3. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    Passenger's Door Lock Knob Switch (UNLOCK)    

    Is information value OFF?

    YES 

    Faulty front passenger's door lock knob switch; replace the front passenger's door latch .

    NO 

    Go to step 37.

  37. Shorted wire check (AS SILCON UNLOCK line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Front passenger's power window switch 24P connector

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeFront passenger's door latch 10P connector: disconnectedFront passenger's power window switch 24P connector: disconnected
    Test point 1 Front passenger's power window switch 24P connector No. 11
    Test point 2 Body ground

    Is there continuity?

    YES 

    Repair a short to ground in the wire.

    NO 

    The AS SILCON UNLOCK wire is OK. Replace the front passenger's power window switch - Refer to: Front Passenger's Power Window Switch Removal and Installation or Rear Power Window Switch Removal and Installation .

  38. Keyless/power door locks/security system check 2

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Front passenger's door latch 10P connector

    -3. Connect terminals A and B with a jumper wire.

    Terminal A Front passenger's door latch 10P connector No. 10
    Terminal B Body ground
    GHH373118Courtesy of HONDA, U.S.A., INC.

    -4. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    Passenger's Door Lock Knob Switch (UNLOCK)    

    Is information value ON?

    YES 

    Go to step 39.

    NO 

    Go to step 40.

  39. Open wire check (GND line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Remove the jumper wire.

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeFront passenger's door latch 10P connector: disconnected
    Test point 1 Front passenger's door latch 10P connector No. 8
    Test point 2 Body ground
    GHH373119Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The GND wire is OK. Faulty front passenger's door lock knob switch; replace the front passenger's door latch .

    NO 

    Repair an open or high resistance in the ground wire or poor ground (G405).

  40. Open wire check (AS SILCON UNLOCK line)

    -1. Remove the jumper wire.

    -2. Connect terminals A and B with a jumper wire.

    Terminal A Front passenger's power window switch 24P connector No. 11
    Terminal B Body ground

    -3. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    Passenger's Door Lock Knob Switch (UNLOCK)    

    Is information value ON?

    YES 

    Repair an open or high resistance in the wire.

    NO 

    The AS SILCON UNLOCK wire is OK. Replace the front passenger's power window switch - Refer to: Front Passenger's Power Window Switch Removal and Installation or Rear Power Window Switch Removal and Installation .

  41. Keyless/power door locks/security system check 1

    -1. With the left rear door lock knob switch in LOCK position, check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    Driver's Rear Door Lock Knob Switch (UNLOCK)    

    Is information value ON?

    YES 

    Go to step 42.

    NO 

    Go to step 44.

  42. Determine possible failure area (left rear door latch, others)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Left rear door latch 10P connector

    -3. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    Driver's Rear Door Lock Knob Switch (UNLOCK)    

    Is information value OFF?

    YES 

    Faulty left rear door lock knob switch; replace the left rear door latch .

    NO 

    Go to step 43.

  43. Shorted wire check (RR DR SILCON UNLOCK line)

    -1. Disconnect the following connector.

    Under-dash fuse/relay box connector D (44P)

    -2. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeUnder-dash fuse/relay box connector D (44P): disconnectedLeft rear door latch 10P connector: disconnected
    Test point 1 Under-dash fuse/relay box connector D (44P) No. 25
    Test point 2 Body ground

    Is there continuity?

    YES 

    Repair a short to ground in the wire.

    NO 

    The RR DR SILCON UNLOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box - Refer to: Under-Dash Fuse/Relay Box Removal and Installation (2019) or Under-Dash Fuse/Relay Box Removal and Installation .

  44. Keyless/power door locks/security system check 2

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Left rear door latch 10P connector

    -3. Connect terminals A and B with a jumper wire.

    Terminal A Left rear door latch 10P connector No. 9
    Terminal B Body ground
    GHH373120Courtesy of HONDA, U.S.A., INC.

    -4. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    Driver's Rear Door Lock Knob Switch (UNLOCK)    

    Is information value ON?

    YES 

    Go to step 45.

    NO 

    Go to step 46.

  45. Open wire check (GND line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Remove the jumper wire.

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeLeft rear door latch 10P connector: disconnected
    Test point 1 Left rear door latch 10P connector No. 6
    Test point 2 Body ground
    GHH373121Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The GND wire is OK. Faulty left rear door lock knob switch; replace the left rear door latch .

    NO 

    Repair an open or high resistance in the ground wire or poor ground (G601).

  46. Open wire check (RR DR SILCON UNLOCK line)

    -1. Remove the jumper wire.

    -2. Connect terminals A and B with a jumper wire.

    Terminal A Under-dash fuse/relay box connector D (44P) No. 25
    Terminal B Body ground

    -3. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    Driver's Rear Door Lock Knob Switch (UNLOCK)    

    Is information value ON?

    YES 

    Repair an open or high resistance in the wire.

    NO 

    The RR DR SILCON UNLOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box - Refer to: Under-Dash Fuse/Relay Box Removal and Installation (2019) or Under-Dash Fuse/Relay Box Removal and Installation .

  47. Keyless/power door locks/security system check 1

    -1. With the right rear door lock knob switch in LOCK position, check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    Passenger's Rear Door Lock Knob Switch (UNLOCK)    

    Is information value ON?

    YES 

    Go to step 48.

    NO 

    Go to step 50.

  48. Determine possible failure area (right rear door latch, others)

    -1. Disconnect the following connector.

    Right rear door latch 10P connector

    -2. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    Passenger's Rear Door Lock Knob Switch (UNLOCK)    

    Is information value OFF?

    YES 

    Faulty right rear door lock knob switch; replace the right rear door latch .

    NO 

    Go to step 49.

  49. Shorted wire check (RR AS SILCON UNLOCK line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Under-dash fuse/relay box connector D (44P)

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeUnder-dash fuse/relay box connector D (44P): disconnectedRight rear door latch 10P connector: disconnected
    Test point 1 Under-dash fuse/relay box connector D (44P) No. 26
    Test point 2 Body ground

    Is there continuity?

    YES 

    Repair a short to ground in the wire.

    NO 

    The RR AS SILCON UNLOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box - Refer to: Under-Dash Fuse/Relay Box Removal and Installation (2019) or Under-Dash Fuse/Relay Box Removal and Installation .

  50. Keyless/power door locks/security system check 2

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Disconnect the following connector.

    Right rear door latch 10P connector

    -3. Connect terminals A and B with a jumper wire.

    Terminal A Right rear door latch 10P connector No. 6
    Terminal B Body ground
    GHH373122Courtesy of HONDA, U.S.A., INC.

    -4. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    Passenger's Rear Door Lock Knob Switch (UNLOCK)    

    Is information value ON?

    YES 

    Go to step 51.

    NO 

    Go to step 52.

  51. Open wire check (GND line)

    -1. Turn the vehicle to the OFF (LOCK) mode.

    -2. Remove the jumper wire.

    -3. Check for continuity between test points 1 and 2.

    Test condition Vehicle OFF (LOCK) modeRight rear door latch 10P connector: disconnected
    Test point 1 Right rear door latch 10P connector No. 9
    Test point 2 Body ground
    GHH373123Courtesy of HONDA, U.S.A., INC.

    Is there continuity?

    YES 

    The GND wire is OK. Faulty right rear door lock knob switch; replace the right rear door latch .

    NO 

    Repair an open or high resistance in the ground wire or poor ground (G603).

  52. Open wire check (RR AS SILCON UNLOCK line)

    -1. Remove the jumper wire.

    -2. Connect terminals A and B with a jumper wire.

    Terminal A Under-dash fuse/relay box connector D (44P) No. 26
    Terminal B Body ground

    -3. Check the parameter(s) below with the HDS.

    Signal Current conditions
    Value Unit
    Passenger's Rear Door Lock Knob Switch (UNLOCK)    

    Is information value ON?

    YES 

    Repair an open or high resistance in the wire.

    NO 

    The RR AS SILCON UNLOCK wire is OK. Faulty MICU; replace the under-dash fuse/relay box - Refer to: Under-Dash Fuse/Relay Box Removal and Installation (2019) or Under-Dash Fuse/Relay Box Removal and Installation .

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