B2777

DTC B2777 +B CIRCUIT MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The steering lock ECU has two power sources: one is to activate the CPU and the other is to activate motors and other related components. When power is not applied to +B terminal with power applied to CPUB terminal, this DTC is detected.

Wiring Diagram:

Step 1-2:

Step 3:

INSPECTION PROCEDURE