B2780
DTC B2780 Push Switch / Key Unlock Warning Switch Malfunction functionDESCRIPTION
DTC Detection Condition:
This DTC will be output if the transponder key ECU assembly does not detect that the unlock warning switch is ON even when the ignition switch is ON. Under normal conditions, the unlock warning switch assembly is ON when the ignition switch is ON.
Wiring Diagram:
Step 1:
Step 1(Continued)-2:
Step 3-4:
Step 1(Continued)-4:
INSPECTION PROCEDURE
NOTE: If the transponder key ECU assembly is replaced, register the key and ECU communication ID