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 together with 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
(a) Connect Techstream (with CAN VIM) to the DLC3.
(b) Turn the ignition switch on (IG).
(c) Press Techstream main switch on.
(d) Select the item below in the Data List and then check that the indicator operates.

Body No. 5:





OK:
The indicator on the tester switches between ON and OFF in accordance with the engine hood courtesy switch status.

NG -- INSPECT ENGINE HOOD COURTESY SWITCH
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
2. INSPECT ENGINE HOOD COURTESY SWITCH





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






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

3. CHECK WIRE HARNESS (ENGINE ROOM J/B ASSEMBLY - ENGINE HOOD COURTESY SWITCH)





(a) Disconnect the 1I J/B connector.
(b) Disconnect the A12 switch connector.
(c) Check the resistance between the wire harness side connectors.
Standard resistance:






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

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





(a) Disconnect the A12 switch connector.
(b) Check the resistance between the wire harness side connector and the body ground.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE ENGINE ROOM JUNCTION BLOCK ASSEMBLY