B2780

DTC B2780 KEY UNLOCK WARNING SWITCH MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detecting Condition:

This DTC is detected when the Transponder key ECU does not detect the key unlock warning switch ON even with the ignition switch ON. (In normal condition the key unlock warning switch should be ON when the ignition switch is ON.)

Wiring Diagram:

Step 1 - 3:

Step 4:

INSPECTION PROCEDURE