Power Door Lock Control System

DTC 41 Body ECU Switch Circuit Diagnosis

DESCRIPTION

DTC Detection Condition:

This DTC notifies how the switch works as follows:

If the DTC is output when not operating the switch, it means the switch is ON (OFF) or stuck. If the DTC is not output when operating the switch, switch contact has failed. When something wrong is found by this diagnosis, inspect each switch. Replace the switch if there is a problem or check the body ECU and wire harness.

Wiring Diagram (Part 1):

Wiring Diagram (Part 2):

Step 1-2:

Step 3-5:

Step 5 (Continued)-7:

Step 8-9:

Step 9 (Continued)-11:

Step 12-13:

Step 14-16:

Step 16 (Continued)-18:

Step 19-21:

Step 21 (Continued):

Step 21 (Continued)-22:

Step 23-24:

Step 25-26:

Step 27-28:

INSPECTION PROCEDURE