Engine Hood Courtesy Switch Circuit

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 DATA LIST USING TECHSTREAM
(a) Connect Techstream (with CAN VIM) to the DLC3.
(b) Turn the ignition switch ON.
(c) Turn Techstream main switch on.
(d) Select the item below in the Data List and read the display on the tester.

Main Body





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






NG -- REPLACE ENGINE HOOD COURTESY SWITCH
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK BODY ECU - ENGINE HOOD COURTESY SWITCH)





(a) Disconnect the B7 ECU and E3 switch connectors.
(b) Measure the resistance according to the value(s) in the table below.
Resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
4. CHECK HARNESS AND CONNECTOR (ENGINE HOOD COURTESY SWITCH - BODY GROUND)





(a) Disconnect the E3 switch connector.
(b) Measure the resistance according to the value(s) in the table below.
Resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE INSTRUMENT PANEL J/B ASSEMBLY