RM3660EC _58 Vehicle Interior _080747 THEFT DETERRENT / KEYLESS ENTRY _0586355 THEFT DETERRENT SYSTEM(for NR Series Engine) J

THEFT DETERRENT / KEYLESS ENTRY  THEFT DETERRENT SYSTEM(for NR Series Engine)  Engine Hood Courtesy Switch Circuit  


DESCRIPTION

The engine hood courtesy switch is built into the hood lock assembly. This switch turns on when the engine hood is closed and turns off when the engine hood is opened.

WIRING DIAGRAM

B472053E18
5.427,2.063 7.094,2.438 1.667,0.375 10 false Main Body ECU (Multiplex Network Body ECU) 0.823,1.531 2.656,1.917 1.833,0.385 10 false Engine Hood Courtesy Switch (Hood Lock Assembly) 5.844,1.01 6.281,1.24 0.438,0.229 10 false HCTY 5.573,1.01 6.01,1.24 0.438,0.229 10 false 30 2.021,1.01 2.458,1.24 0.438,0.229 10 false 2 0.969,1.01 1.406,1.24 0.438,0.229 10 false 1 1.156,1.021 1.594,1.25 0.438,0.229 10 false E 1.844,1 2.281,1.229 0.438,0.229 10 false + 5.438,1.896 5.875,2.125 0.438,0.229 10 false I85 0.833,1.375 1.271,1.604 0.438,0.229 10 false A8

CAUTION / NOTICE / HINT

NOTICE:

Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.



PROCEDURE

1.READ VALUE USING GTS (HOOD COURTESY SW)
a.

Connect the GTS to the DLC3.


b.

Turn the engine switch on (IG).


c.

Turn the GTS on.


d.

Enter the following menus: Body Electrical / Main Body / Data List.


e.

Read the Data List according to the display on the GTS.

Body Electrical > Main Body > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Hood Courtesy SW Engine hood courtesy switch OFF or ON OFF: Engine hood closed
ON: Engine hood open 		-
Body Electrical > Main Body > Data List
Tester Display
Hood Courtesy SW
50003 123 200
OK:

The GTS display changes correctly in response to the engine hood courtesy switch (hood lock assembly) status.



Result:
Proceed to
OK
NG



OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL


NG

2.INSPECT ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY)
2.INSPECT ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY)
a.

Remove the hood lock assembly.

Click hereVehicle Interior>THEFT DETERRENT / KEYLESS ENTRY>ENGINE HOOD COURTESY SWITCH>REMOVAL


b.

Inspect the engine hood courtesy switch (hood lock assembly).

Click hereVehicle Interior>THEFT DETERRENT / KEYLESS ENTRY>ENGINE HOOD COURTESY SWITCH>INSPECTION


Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) AND BODY GROUND)

NG

REPLACE HOOD LOCK ASSEMBLY

Click hereVehicle Interior>THEFT DETERRENT / KEYLESS ENTRY>ENGINE HOOD COURTESY SWITCH>REMOVAL


3.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) AND BODY GROUND)
a.

Disconnect the I85 main body ECU (multiplex network body ECU) connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I85-30 (HCTY) - A8-2 (+) Always Below 1 Ω
I85-30 (HCTY) or A8-2 (+) - Other terminals and body ground Always 10 kΩ or higher
A8-1 (E) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR