Back-Up Power Source Circuit
BACK-UP POWER SOURCE CIRCUITCIRCUIT DESCRIPTION
The ECU back-up power source provides power even when the ignition switch is off and is used for DTC memory, etc.
WIRING DIAGRAM
Step 1:
Step 2:
INSPECTION PROCEDURE
CIRCUIT DESCRIPTION
The ECU back-up power source provides power even when the ignition switch is off and is used for DTC memory, etc.
WIRING DIAGRAM
INSPECTION PROCEDURE