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. INSPECT DTC
HINT:
Front controller sends engine hood open/close signal to main body ECU RH through the multiplex communication.
(a) Delete DTC Reading and Clearing Diagnostic Trouble Codes.
(b) Check the DTC B1214.
OK:
No DTC is output.
NG -- GO TO MULTIPLEX COMMUNICATION SYSTEM
OK -- Continue to next step.
2. READ VALUE USING TECHSTREAM
(a) Connect the Techstream (with CAN VIM) to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream main switch on.
(d) Select the item below in the Data List and read the display on the tester.

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 -- REPLACE ENGINE ROOM NO. 2 RELAY BLOCK AND JUNCTION BLOCK (FRONT CONTROLLER)
3. INSPECT ENGINE HOOD COURTESY SWITCH




(a) Remove the courtesy switch from the hood lock.
(b) Disconnect the 2G R/B connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPLACE HOOD LOCK ASSEMBLY
OK -- Continue to next step.
4. CHECK HARNESS AND CONNECTOR (ENGINE ROOM R/B NO. 2 - ENGINE HOOD COURTESY SWITCH)




(a) Disconnect the 2G R/B connector and B8 switch connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






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




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






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