Certification ECU Power Source Circuit

ENGINE IMMOBILIZER: ENGINE IMMOBILIZER SYSTEM: Certification ECU Power Source Circuit

Certification ECU Power Source Circuit

DESCRIPTION

This circuit provides power to operate the certification ECU.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSE (SECURITY)
(a) Remove the SECURITY fuse from the cowl side junction block RH.
(b) Measure the resistance of the fuse.
Standard resistance:
Below 1 Ohms
NG -- REPLACE FUSE
OK -- Continue to next step.

2. CHECK WIRE HARNESS (CERTIFICATION ECU - BATTERY AND BODY GROUND)




(a) Disconnect the U28 ECU connector.
(b) Measure the resistance and voltage of the wire harness side connector.
Standard resistance:






Standard voltage:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- REPLACE CERTIFICATION ECU