B2278

DTC B2278 MAIN SWITCH MALFUNCTION (STARTER SWITCH 1 SIGNAL DOES NOT MATCH TO STARTER SWITCH 2 SIGNAL)

CIRCUIT DESCRIPTION

DTC Detection Condition:

This DTC is output when: 1) a malfunction is detected between the power source control ECU and the engine switch; or 2) either of the switches inside the engine switch is malfunctioning.

Wiring Diagram:

Step 1-2:

Step 3:

INSPECTION PROCEDURE