Theft Warning ECU Power Source Circuit

THEFT DETERRENT: THEFT DETERRENT SYSTEM: Theft Warning ECU Power Source Circuit
- Theft Warning ECU Power Source Circuit

DESCRIPTION

This circuit provides power to operate the theft warning ECU.

WIRING DIAGRAM





INSEPCTION PROCEDURE

PROCEDURE

1. INSPECT FUSE (SECURITY, MPX-B1, D/C CUT)

(a) Remove the SECURITY fuse from the driver side junction block.

(b) Remove the MPX-B1 fuse from the passenger side junction block.

(c) Remove the D/C CUT fuse from the engine room No. 1 relay block.

(d) Measure the resistance of the fuses.

Standard resistance:

Below 1 Ohms

NG -- REPLACE FUSE
OK -- Continue to next step.

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

(a) Disconnect the T7 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 -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE