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ECU Power Source Circuit





THEFT DETERRENT: THEFT DETERRENT SYSTEM (w/o Smart Key System): ECU Power Source Circuit
- ECU Power Source Circuit

DESCRIPTION

This circuit provides power for main body ECU operation.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU (POWER SOURCE))

(a) Disconnect the 1D junction block connector.





(b) Measure the voltage according to the value(s) in the table below.

Standard voltage:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK - BODY GROUND)

(a) Disconnect the 1F and 1M junction block connectors.





(b) Measure the resistance according to the value(s) in the table below.

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE Theft Deterrent System (w/o Smart Key System)
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