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B2780

DTC B2780 Push Switch / Key Unlock Warning Switch Malfunction

DESCRIPTION

DTC Detection Condition:




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

HINT: When using the intelligent tester, start from *1. When not using the intelligent tester, start from *2.

Wiring Diagram:






Step 1-3:




Step 3(continued)-4:




INSPECTION PROCEDURE