Engine Hood Courtesy Switch Circuit

THEFT DETERRENT: THEFT DETERRENT SYSTEM: Engine Hood Courtesy Switch Circuit

Engine Hood Courtesy Switch Circuit

DESCRIPTION

The engine hood courtesy switch is installed into the hood lock. This switch turns ON when the engine hood is opened and turns OFF when the engine hood is closed.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (ENGINE HOOD COURTESY SWITCH)
(a) Check the Data List for proper functioning of the engine hood courtesy switch.

Main Body





OK:
On tester screen, item changes between ON and OFF according to above chart.
OK -- REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY (MAIN BODY ECU)
NG -- Continue to next step.

2. INSPECT ENGINE HOOD COURTESY SWITCH




(a) Remove the courtesy switch from the hood lock.
(b) Measure the resistance of the switch.
Standard resistance:






NG -- REPLACE ENGINE HOOD COURTESY SWITCH
OK -- Continue to next step.

3. CHECK WIRE HARNESS (ENGINE HOOD COURTESY SWITCH - BODY GROUND)




(a) Disconnect the E3 switch connector.
(b) Measure the resistance of the wire harness side connector.
Standard resistance:






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

4. CHECK WIRE HARNESS (MAIN BODY ECU - ENGINE HOOD COURTESY SWITCH)




(a) Disconnect the B6 ECU connector.
(b) Disconnect the E3 switch connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE