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 closed and turns off when the engine hood is opened.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. READ VALUE USING TECHSTREAM
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Data List.
(e) According to the display on the Techstream, read the Data List.
Main Body (Main Body ECU (Multiplex Network Body ECU))
OK:
The indicator on the Techstream switches between ON and OFF in accordance with the engine hood courtesy switch (hood lock assembly) status.
NG -- INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
OK -- REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Removal
2. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
(a) Remove the main body ECU (multiplex network body ECU) Removal.
Text in Illustration
(b) Disconnect the 3D instrument panel junction block assembly.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Removal
OK -- Continue to next step.
3. INSPECT ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY)
(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 ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) Removal
OK -- Continue to next step.
4. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - 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 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Removal