B278A

DTC B278A Short to GND in Immobilizer System Power Source Circuit

DESCRIPTION

DTC Detection Condition:

This DTC is output when the engine switch power source supply line is open or shorted.

Wiring Diagram:

Step 1:

Step 1 (Continued)-3:

Step 4:

INSPECTION PROCEDURE

NOTE: If the certification ECU is replaced, register the key and ECU communication ID.