ID Code Box Power Source Circuit

ENGINE IMMOBILISER: ENGINE IMMOBILISER SYSTEM: ID Code Box Power Source Circuit
- ID Code Box Power Source Circuit

DESCRIPTION

This circuit provides power to operate the immobiliser code ECU.

WIRING DIAGRAM







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 (IMMOBILISER CODE ECU - BATTERY AND BODY GROUND)





(a) Disconnect the K58 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 IMMOBILIZER CODE ECU