B2278

DTC B2278 Power Switch Circuit Malfunction

DESCRIPTION

DTC Detection Condition:

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

Wiring Diagram:

Step 1:

Step 1 (Continued)-3:

Step 3 (Continued):

INSPECTION PROCEDURE