Diagnosis Procedure
- CHECK BCM INPUT SIGNAL
Check the BCM input signal. Refer to COMPONENT FUNCTION CHECK (with Intelligent Key) or COMPONENT FUNCTION CHECK (without Intelligent Key).
Is the inspection result normal?
YES
GO TO STEP 2.
NO
GO TO STEP 3.
- CHECK COMBINATION METER INPUT SIGNAL
Select the METER/M&A Data Monitor and check the DOOR W/L monitor value while opening and closing doors.
Monitor item Condition Status DOOR W/L Door open ON Door closed OFF Is the inspection result normal?
YES
Replace combination meter. Refer to REMOVAL AND INSTALLATION .
NO
Replace BCM. Refer to REMOVAL AND INSTALLATION (with Intelligent Key) or REMOVAL AND INSTALLATION (without Intelligent Key).
- CHECK DOOR SWITCH SIGNAL CIRCUIT
Check the door switch signal circuit. Refer to DIAGNOSIS PROCEDURE (with Intelligent Key) or DIAGNOSIS PROCEDURE (without Intelligent Key).
Is the inspection result normal?
YES
GO TO STEP 4.
NO
Repair or replace harness or connector.
- CHECK DOOR SWITCH
Perform a unit check for the door switch. Refer to COMPONENT INSPECTION (with Intelligent Key) or COMPONENT INSPECTION (without Intelligent Key).
Is the inspection result normal?
YES
Replace combination meter. Refer to REMOVAL AND INSTALLATION .
NO
Replace applicable door switch. Refer to REMOVAL AND INSTALLATION (with Intelligent Key) or REMOVAL AND INSTALLATION (without Intelligent Key).