Operation CHARM: Car repair manuals for everyone.

Engine Hood Courtesy Switch Circuit








THEFT DETERRENT / KEYLESS ENTRY: THEFT DETERRENT SYSTEM (w/ Smart Key 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 A7 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
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) Disconnect the D50 main body ECU (driver side junction block assembly) connector.
(b) 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 -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE