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Home >> Honda >> 2012 >> Ridgeline RTL >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless/Power Door Locks/Security System >> Symptom Troubleshooting >> Left Rear Door Switch Circuit Troubleshooting

Left Rear Door Switch Circuit Troubleshooting

  1. Turn the ignition switch to ON (II).
  2. With the left rear door closed, select SECURITY with the HDS, and enter the DATA LIST.
  3. Check the ON/OFF information of the DRIVER'S REAR DOOR SWITCH in the DATA LIST.

    Is information indicator ON? 

    YES  -Go to step 4.

    NO  -Go to step  9.

  4. Remove the left rear door switch.
  5. Disconnect the left rear door switch 1P connector.
  6. Check for continuity between the left rear door switch 1P connector and switch ground.
    Fig 1: Checking For Continuity Between The Left Rear Door Switch 1P Connector And Switch Ground
    G00509364Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there no continuity when the switch is pushed, and is there continuity when the switch is released? 

    YES  -Go to step 7.

    NO  -Replace the left rear door switch.

  7. Disconnect under-dash fuse/relay box connector E (16P).
  8. Check for continuity between under-dash fuse/relay box connector E (16P) terminal No. 14 and body ground.
    Fig 2: Checking For Continuity Between Under-Dash Fuse/Relay Box Connector E (16P) Terminal No. 14 And Body Ground
    G00509365Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    YES  -Repair a short to ground in the wire.

    NO  -Faulty MICU; replace the under-dash fuse/relay box (see REMOVAL AND INSTALLATION ).

  9. Remove the left rear door switch.
  10. Disconnect the left rear door switch 1P connector.
  11. Check for continuity between left rear door switch 1P connector and switch ground.
    Fig 3: Checking For Continuity Between Left Rear Door Switch 1P Connector And Switch Ground
    G00509364Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there no continuity when the switch is pushed, and is there continuity when the switch is released? 

    YES  -Go to step 12.

    NO  -Replace the left rear door switch.

  12. Connect under-dash fuse/relay box connector E (16P) terminal No. 14 and body ground with a jumper wire.
    Fig 4: Connecting Under-Dash Fuse/Relay Box Connector E (16P) Terminal No. 14 And Body Ground With A Jumper Wire
    G00509365Courtesy of AMERICAN HONDA MOTOR CO., INC.
  13. Check the ON/OFF information of the DRIVER'S REAR DOOR SWITCH in the DATA LIST.

    Is information indicator ON? 

    YES  -Repair an open or high resistance in the wire.

    NO  -Faulty MICU; replace the under-dash fuse/relay box (see REMOVAL AND INSTALLATION ).