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 2.
NO: GO TO 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 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).