B2780

DTC B2780 PUSH SWITCH/KEY UNLOCK WARNING SWITCH MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detection Condition:

This DTC will be output if the key is inserted into the ignition key cylinder, but the transponder key ECU does not detect the ON condition of the unlock warning switch. Normally, inserting the key into the ignition key cylinder turns ON the unlock warning switch, which is then detected by the ECU.

Wiring Diagram:

Step 1 - 2:

Step 3:

INSPECTION PROCEDURE