Engine Hood Courtesy Switch Circuit

THEFT DETERRENT / KEYLESS ENTRY: 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. CHECK FOR DTC (MULTIPLEX COMMUNICATION SYSTEM)

HINT
Front controller sends engine hood open/close signal to main body ECU RH through the multiplex communication.

(a) Clear the DTCs Multiplex Communication System.

(b) Check for DTCs again.

Result:





NG -- GO TO MULTIPLEX COMMUNICATION SYSTEM Multiplex Communication System
OK -- Continue to next step.

2. READ VALUE USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Select the item below in the Data List and read the display on the Techstream.

Body No. 5





OK:

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

NG -- INSPECT ENGINE HOOD COURTESY SWITCH

OK -- PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE Theft Deterrent System

3. INSPECT ENGINE HOOD COURTESY SWITCH

(a) Remove the engine hood courtesy switch from the hood lock Removal.





(b) Disconnect the multiplex network body ECU connector.

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

Standard Resistance:





NG -- REPLACE HOOD LOCK ASSEMBLY Removal
OK -- Continue to next step.

4. CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK BODY ECU - ENGINE HOOD COURTESY SWITCH)

(a) Disconnect the 2G multiplex network body ECU connector and B8 engine hood courtesy 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 -- REPLACE MULTIPLEX NETWORK BODY ECU