Diagnosis Procedure
- CHECK OPEN/CLOSE SWITCH SIGNAL
- Select "AUTOMATIC BACK DOOR CONTROL UNIT" using CONSULT.
- Select "CLOSE SW", "OPEN SW" in "DATA MONITOR" mode.
- Check that the function operates normally according to the following conditions.
Monitor item Condition Status OPEN SW Back door Half latch/fully closed OFF Open ON CLOSE SW Open/half latch OFF Fully closed ON Is the inspection result normal?
YES
GO TO STEP 6 .
NO
GO TO STEP 2 .
- CHECK AUTOMATIC BACK DOOR CONTROL MODULE OUTPUT
- Turn ignition switch OFF.
- Disconnect back door lock assembly connector.
- Check voltage between back door lock assembly harness connector and ground.
(+) (-) Voltage
(Approx.)Back door lock assembly Connector Terminal D157 4 Ground Battery voltage 5
Is the inspection result normal?
YES
GO TO STEP 4 .
NO
GO TO STEP 3 .
- CHECK OPEN/CLOSE SWITCH CIRCUIT
- Disconnect automatic back door control module connector.
- Check continuity between automatic back door control module harness connector and back door lock assembly harness connector.
Automatic back door control module Back door lock assembly Continuity Connector Terminal Connector Terminal B26 19 D157 5 Existed 20 4 - Check continuity between automatic back door control module harness connector and ground.
Automatic back door control module Ground Continuity Connector Terminal B26 19 Not existed 20
Is the inspection result normal?
YES
Replace automatic back door control module. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace harness.
- CHECK GROUND CIRCUIT
Check continuity between back door lock assembly harness connector and ground.
Back door lock assembly Ground Continuity Connector Terminal D157 8 Existed Is the inspection result normal?
YES
GO TO STEP 5 .
NO
Repair or replace harness.
- CHECK OPEN/CLOSE SWITCH
Refer to COMPONENT INSPECTION .
Is the inspection result normal?
YES
GO TO STEP 6 .
NO
Replace back door lock assembly.
- CHECK INTERMITTENT INCIDENT
Refer to INTERMITTENT INCIDENT .
INSPECTION END