RM38T0EC _58 Vehicle Interior _115230 THEFT DETERRENT / KEYLESS ENTRY _0512196 THEFT DETERRENT SYSTEM J

THEFT DETERRENT / KEYLESS ENTRY  THEFT DETERRENT SYSTEM  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

B472053E72
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 27 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 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 1.833,1.01 2.271,1.24 0.438,0.229 10 false + 1.146,1.031 1.583,1.26 0.438,0.229 10 false E

CAUTION / NOTICE / HINT

NOTICE:

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



PROCEDURE

1.READ VALUE USING GTS
a.

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 Switch Status Engine hood courtesy switch Close or Open Close: Engine hood closed
Open: Engine hood open 		-
OK:

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


Body Electrical > Main Body > Data List
Tester Display
Hood Courtesy Switch Status
50003 449 37

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)

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

Result:
Proceed to
OK
NG



OK

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

NG

REPLACE ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY)

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


3.CHECK HARNESS AND CONNECTOR (ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 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
A8-2 (+) - I85-27 (HCTY) Always Below 1 Ω
A8-2 (+) or I85-27 (HCTY) - 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