B2780

DTC B2780 Push Switch / Key Unlock Warning Switch Malfunction

DESCRIPTION

DTC Detection Condition:

This DTC will be output if the transponder key ECU does not detect that the unlock warning switch is ON even when the ignition switch is ON. Under normal conditions, the unlock warning switch is ON when the ignition switch is ON.

Wiring Diagram:

Step 1-2:

Step 2(Continued)-3:

Step 4-5:

Step 6:

INSPECTION PROCEDURE

HINT: When the transponder key ECU is replaced, reregister the ECU - ECM communication ID.