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 HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH)
OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Theft Deterrent System
3. INSPECT HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH)
(a) Remove the hood lock assembly Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Text in Illustration
NG -- REPLACE HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH) 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:
Text in Illustration
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:
Text in Illustration
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MULTIPLEX NETWORK BODY ECU