ECU Power Source Circuit (from 07/2011)

THEFT DETERRENT / KEYLESS ENTRY: THEFT DETERRENT SYSTEM (for Hatchback): ECU Power Source Circuit
- ECU Power Source Circuit

DESCRIPTION

This circuit provides power for main body ECU operation.

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (BATTERY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY, BODY GROUND)

(a) Disconnect the 3C, 3E and 3B instrument panel junction block assembly connectors.

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

Standard Resistance:

Standard Voltage:

Text in Illustration

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

2. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (POWER SOURCE, BODY GROUND)

(a) Reconnect the 3B, 3C, and 3E instrument panel junction block assembly connectors.

(b) Remove the main body ECU Removal (from 07/2011).

Text in Illustration

Standard Resistance:

NG -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Removal (from 07/2011)

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Theft Deterrent System (for Hatchback)