Diagnostic procedure
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STEP
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INSPECTION
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ACTION
|
|
|---|---|---|---|
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1
|
INSPECT DOOR SWITCH (LH) CONNECTOR
• Turn the ignition switch off.
• Disconnect the door switch (RR or RL) connector.
• Inspect the door switch (RR or RL) connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
|
Yes
|
Repair or replace the terminal, then go to Step 5.
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|
No
|
Go to the next step.
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||
|
2
|
INSPECT BCM CONNECTOR
• Disconnect the BCM connector.
• Inspect the BCM connector terminals for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
|
Yes
|
Repair or replace the terminal, then go to Step 5.
|
|
No
|
Go to the next step.
|
||
|
3
|
INSPECT DOOR SWITCH (LH) SIGNAL CIRCUIT FOR OPEN CIRCUIT
• Inspect for continuity between BCM terminal (wiring harness-side) and door switch (LH) terminal (wiring harness-side).
• Is there continuity?
|
Yes
|
Go to the next step.
|
|
No
|
Repair or replace the wiring harness for a possible open circuit, then go to Step 5.
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|
4
|
INSPECT DOOR SWITCH (LH)
• Inspect the door switch (RR/RL).
(See DOOR SWITCH INSPECTION.)
• Is there any malfunction?
|
Yes
|
Replace the door switch (RR/RL), then go to the next step.
|
|
No
|
Go to the next step.
|
||
|
5
|
VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear the DTC from the BCM memory using the WDS or equivalent.
• Is the same DTC present?
|
Yes
|
Replace the BCM.
|
|
No
|
DTC troubleshooting completed.
|
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