Back-Up Power Source Circuit

BACK-UP POWER SOURCE CIRCUIT


CIRCUIT DESCRIPTION
The ECU back-up power source provides power even when the ignition switch is off and is used for DTC memory, etc.

Back-Up Power Source Circuit:

WIRING DIAGRAM

Inspection Procedure / Back-Up Power Source Circuit (1 Of 2):

Inspection Procedure / Back-Up Power Source Circuit (2 Of 2):

INSPECTION PROCEDURE