Engine Hood Courtesy Switch Circuit

THEFT DETERRENT / KEYLESS ENTRY: THEFT DETERRENT SYSTEM: Engine Hood Courtesy Switch Circuit
- Engine Hood Courtesy Switch Circuit

DESCRIPTION

The security courtesy switch is installed together with the hood lock. This switch turns off when the engine hood is opened and turns on when the engine hood is closed.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT SECURITY COURTESY SWITCH

(a) Remove the security courtesy switch Removal.





(b) Disconnect the A42 security courtesy switch connector.

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

Standard Resistance:





Text in Illustration





NG -- REPLACE SECURITY COURTESY SWITCH Removal
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (SECURITY COURTESY SWITCH - BODY GROUND)

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





Standard Resistance:





Text in Illustration





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

3. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - SECURITY COURTESY SWITCH)

(a) Remove the main body ECU from the instrument panel junction block assembly Removal.





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

Standard Resistance:





Text in Illustration





NG -- CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK - SECURITY COURTESY SWITCH)

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Theft Deterrent System

4. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK - SECURITY COURTESY SWITCH)

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

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Removal