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.
Wiring Diagram:
INSPECTION PROCEDURE
Step 1:
Step 2:
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.
INSPECTION PROCEDURE