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





INSPECTION 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