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'07-08 models

  1. Turn the ignition switch OFF.
  2. Jump the SCS line with the HDS.
  3. Disconnect ECM/PCM connector E (31P), then disconnect the HDS.
  4. Measure resistance between ECM/PCM connector terminals El1 and E24.
    Fig 1: Measuring Resistance Between ECM/PCM Connector Terminals El1 And E24
    G05490534Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there about 108-132 Ω? 

    YES  -Go to step  32.

    NO  -Go to step 5.

  5. Disconnect gauge control module connector B (18P) (see GAUGE CONTROL MODULE REPLACEMENT ).
  6. Disconnect the VSA modulator-control unit 47P connector (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ).
  7. Disconnect the TPMS control unit 20P connector (see TPMS CONTROL UNIT REPLACEMENT ).
  8. With navigation system: Disconnect navigation unit connector A (20P) (see NAVIGATION UNIT REMOVAL/INSTALLATION ).
  9. Check for continuity between ECM/PCM connector terminals E11 and E24.
    Fig 2: Checking Continuity Between ECM/PCM Connector Terminals E11 And E24
    G05490535Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Repair short in the wires between ECM/PCM connector terminals E11 and E24*.

    NO  -Go to step 10.

  10. Connect ECM/PCM connector terminal E11 to body ground with a jumper wire.
    Fig 3: Connecting ECM/PCM Connector Terminal E11 To Body Ground With Jumper Wire
    G05490536Courtesy of AMERICAN HONDA MOTOR CO., INC.
  11. Check for continuity between gauge control module connector B (18P) terminal No. 12 and body ground.
    Fig 4: Checking Continuity Between Gauge Control Module Connector B (18P) Terminal 12 And Body Ground
    G05490537Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Go to step 12.

    NO  -Repair open in the wire between the ECM/PCM (E11) and the gauge control module.

  12. Check for continuity between VSA modulator-control unit 47P connector terminal No. Hand body ground.
    Fig 5: Checking Continuity Between VSA Modulator-Control Unit 47P Connector Terminal 14 And Body Ground
    G05490538Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Go to step 13.

    NO  -Repair open in the wire between the ECM/PCM (E11) and the VSA modulator-control unit.

  13. Check for continuity between TPMS control unit 20P connector terminal No. 1 and body ground.
    Fig 6: Checking Continuity Between TPMS Control Unit 20P Connector Terminal 1 And Body Ground
    G05490539Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -

    • With navigation system: Go to step 14.
    • Without navigation system: Go to step  15.

    NO  -Repair open in the wire between the ECM/PCM (E11) and the TPMS control unit.

  14. Check for continuity between navigation unit connector A (20P) terminal No. 8 and body ground.
    Fig 7: Checking Continuity Between Navigation Unit Connector A (20P) Terminal 8 And Body Ground
    G05490540Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Go to step 15.

    NO  -Repair open in the wire between the ECM/PCM (E11) and the navigation control unit.

  15. Remove the jumper wire from ECM/PCM connector E(31P).
  16. Connect ECM/PCM connector terminal E24 to body ground with a jumper wire.
    Fig 8: Connecting ECM/PCM Connector Terminal E24 To Body Ground With Jumper Wire
    G05490541Courtesy of AMERICAN HONDA MOTOR CO., INC.
  17. Check for continuity between gauge control module connector B (18P) terminal No. 13 and body ground.
    Fig 9: Checking Continuity Between Gauge Control Module Connector B (18P) Terminal 13 And Body Ground
    G05490542Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Go to step 18.

    NO  -Repair open in the wire between the ECM/PCM (E24) and the gauge control module.

  18. Check for continuity between VSA modulator-control unit 47P connector terminal No. 30 and body ground.
    Fig 10: Checking Continuity Between VSA Modulator-Control Unit 47P Connector Terminal 30 And Body Ground
    G05490543Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Go to step 19.

    NO  -Repair open in the wire between the ECM/PCM (E24) and the VSA modulator-control unit.

  19. Check for continuity between TPMS control unit 20P connector terminal No. 11 and body ground.
    Fig 11: Checking Continuity Between TPMS Control Unit 20P Connector Terminal 11 And Body Ground
    G05490544Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -

    • With navigation system: Go to step 20.
    • Without navigation system: Go to step  21.

    NO  -Repair open in the wire between the ECM/PCM (E24) and the TPMS control unit.

  20. Check for continuity between navigation unit connector A (20P) terminal No. 18 and body ground.
    Fig 12: Checking Continuity Between Navigation Unit Connector A (20P) Terminal 18 And Body Ground
    G05490545Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Go to step 21.

    NO  -Repair open in the wire between the ECM/PCM (E24) and the navigation unit.

  21. Reconnect gauge control module connector B (18P).
  22. Measure resistance between ECM/PCM connector terminals E11 and E24.
    Fig 13: Measuring Resistance Between ECM/PCM Connector Terminals E11 And E24
    G05490546Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there about 2.34-2.86 kΩ ? 

    YES  -Go to step 23.

    NO  -Substitute a known-good gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ). If the HDS identifies the vehicle, replace the original gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ).

  23. Disconnect gauge control module connector B (18P) (see GAUGE CONTROL MODULE REPLACEMENT ).
  24. Reconnect the VSA modulator-control unit 47P connector.
  25. Measure resistance between ECM/PCM connector terminals El 1 and E24.
    Fig 14: Measuring Resistance Between ECM/PCM Connector Terminals El1 And E24
    G05490547Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there about 112 - 136 Ω? 

    YES  -Go to step 26.

    NO  -Substitute a known-good VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ). If the HDS identifies the vehicle, replace the original VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ).

  26. Disconnect the VSA modulator-control unit 47P connector (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ).
  27. Reconnect the TPMS control unit 20P connector.
  28. Measure resistance between ECM/PCM connector terminals E11 and E24.
    Fig 15: Measuring Resistance Between ECM/PCM Connector Terminals E11 And E24
    G05490548Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there about 2.34-2.86 kΩ? 

    YES  -

    • With navigation system: Go to step 29.
    • Without navigation system: Update the ECM/PCM if it does not have the latest software (see UPDATING THE ECM/PCM ), or substitute a known-good ECM/PCM (see SUBSTITUTING THE ECM/PCM ), then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM (see '06-08 MODELS  ).

    NO  -Substitute a known-good TPMS control unit (see TPMS CONTROL UNIT REPLACEMENT ). If the HDS identifies the vehicle, replace the original TPMS control unit (see TPMS CONTROL UNIT REPLACEMENT ).

  29. Disconnect the TPMS control unit 20P connector (see TPMS CONTROL UNIT REPLACEMENT ).
  30. Reconnect navigation unit connector A (20P).
  31. Measure resistance between ECM/PCM connector terminals E11 and E24.
    Fig 16: Measuring Resistance Between ECM/PCM Connector Terminals E11 And E24
    G05490549Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there about 2.34-2.86 kΩ? 

    YES  -Update the ECM/PCM if it does not have the latest software (see UPDATING THE ECM/PCM ), or substitute a known-good ECM/PCM (see SUBSTITUTING THE ECM/PCM ), then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM (see '06-08 MODELS  ).

    NO  -Substitute a known-good navigation unit (see NAVIGATION UNIT REMOVAL/INSTALLATION ). If the HDS identifies the vehicle, replace the original navigation unit (see NAVIGATION UNIT REMOVAL/INSTALLATION ).

  32. Disconnect gauge control module connector B (18P) (see GAUGE CONTROL MODULE REPLACEMENT ).
  33. Disconnect the VSA modulator-control unit 47P connector (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ).
  34. Disconnect the TPMS control unit 20P connector (see TPMS CONTROL UNIT REPLACEMENT ).
  35. With navigation system: Disconnect navigation unit connector A (20P) (see NAVIGATION UNIT REMOVAL/INSTALLATION ).
  36. Check for continuity between ECM/PCM connector terminal E11 and body ground.
    Fig 17: Checking Continuity Between ECM/PCM Connector Terminal E11 And Body Ground
    G05490550Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Repair short in the wire between ECM/PCM connector terminal E11 and the gauge control module, the VSA modulator-control unit, the TPMS control unit, the navigation unit, or the DLC.

    NO  -Go to step 37.

  37. Check for continuity between ECM/PCM connector terminal E24 and body ground.
    Fig 18: Checking Continuity Between ECM/PCM Connector Terminal E24 And Body Ground
    G05490551Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Repair short in the wire between ECM/PCM connector terminal E24 and the gauge control module, the VSA modulator-control unit, the TPMS control unit, the navigation unit, or the DLC.

    NO  -Go to step 38.

  38. Reconnect all connectors.
  39. Connect the HDS to the DLC (see HOW TO USE THE HDS (HONDA DIAGNOSTIC SYSTEM) ).
  40. Disconnect gauge control module connector B (18P) (see GAUGE CONTROL MODULE REPLACEMENT ).
  41. Turn the ignition switch ON (II), and read the HDS.

    Does the HDS identify the vehicle? 

    YES  -Replace the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ).

    NO  -Go to step 42.

  42. Turn the ignition switch OFF.
  43. Reconnect gauge control module connector B (18P).
  44. Disconnect the VSA modulator-control unit 47P connector (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ).
  45. Turn the ignition switch ON (II), and read the HDS.

    Does the HDS identify the vehicle? 

    YES  -Replace the VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ).

    NO  -Go to step 46.

  46. Turn the ignition switch OFF. 47.
  47. Disconnect the TPMS control unit 20P connector (see TPMS CONTROL UNIT REPLACEMENT ).
  48. Turn the ignition switch ON (II), and read the HDS.

    Does the HDS identify the vehicle? 

    YES  -Replace the TPMS control unit (see TPMS CONTROL UNIT REPLACEMENT ).

    NO  -

    • With navigation system: Go to step 49.
    • Without navigation system: Update the ECM/PCM if it does not have the latest software (see UPDATING THE ECM/PCM ), or substitute a known-good ECM/PCM (see SUBSTITUTING THE ECM/PCM ), then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM (see '06-08 MODELS  ).
  49. Turn the ignition switch OFF.
  50. Reconnect the TPMS control unit 20P connector.
  51. Disconnect navigation unit connector A (20P) (see NAVIGATION UNIT REMOVAL/INSTALLATION ).
  52. Turn the ignition switch ON (II), and read the HDS.

    Does the HDS identify the vehicle? 

    YES  -Replace the navigation unit (see NAVIGATION UNIT REMOVAL/INSTALLATION ).

    NO  -Update the ECM/PCM if it does not have the latest software (see UPDATING THE ECM/PCM ), or substitute a known-good ECM/PCM (see SUBSTITUTING THE ECM/PCM ), then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM (see '06-08 MODELS  ).

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