RM3660EC _58 Vehicle Interior _080785 LIGHTING (INT) _0600097 LIGHTING SYSTEM(except NR Series Engine) J

LIGHTING (INT)  LIGHTING SYSTEM(except NR Series Engine)  Luggage Compartment Door Courtesy Switch Circuit  


DESCRIPTION

The main body ECU (multiplex network body ECU) detects the condition of the luggage compartment door lock assembly.

WIRING DIAGRAM

E369882E26
1.646,0.792 2.302,1.125 0.656,0.333 10 false 2 1.854,0.792 2.51,1.125 0.656,0.333 10 false ACT- 2.688,0.792 3.344,1.125 0.656,0.333 10 false D+ 2.969,0.792 3.625,1.125 0.656,0.333 10 false 3 1.656,1.208 2.313,1.542 0.656,0.333 10 false O108 1.667,1.375 3.063,2.115 1.396,0.74 10 false Luggage Compartment Door Lock Assembly 4.344,0.781 4.719,1.052 0.375,0.271 10 false 5 4.365,1.5 5.792,1.948 1.427,0.448 10 false Power Distribution Box Assembly 5.823,0.781 6.479,1.115 0.656,0.333 10 false 19 6.073,0.896 6.729,1.229 0.656,0.333 10 false LGCY 5.365,2.146 7.021,2.75 1.656,0.604 10 false Main Body ECU (Multiplex Network Body ECU) 4.365,1.344 4.823,1.542 0.458,0.198 10 false 10G 5.365,1.99 5.677,2.188 0.313,0.198 10 false MB

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
Luggage Courtesy Switch Status Luggage compartment door courtesy switch signal Close or Open Close: Luggage compartment door closed
Open: Luggage compartment door open 		-
Body Electrical > Main Body > Data List
Tester Display
Luggage Courtesy Switch Status
50003 449 35
OK:

Normal conditions listed above are displayed.



Result:
Proceed to
OK
NG



OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Click hereVehicle Interior>LIGHTING (INT)>LIGHTING SYSTEM (except NR Series Engine)>PROBLEM SYMPTOMS TABLE


NG

2.INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY
2.INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY
a.

Inspect the luggage compartment door lock assembly.

Click hereVehicle Interior>LIGHTING (INT)>BACK DOOR COURTESY SWITCH>INSPECTION


Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY - POWER DISTRIBUTION BOX ASSEMBLY AND BODY GROUND)

NG

REPLACE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY

Click hereVehicle Interior>LIGHTING (INT)>BACK DOOR COURTESY SWITCH>REMOVAL


3.CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY - POWER DISTRIBUTION BOX ASSEMBLY AND BODY GROUND)
a.

Disconnect the 10G power distribution box assembly connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
O108-3 (D+) - 10G-5 Always Below 1 Ω
O108-3 (D+) or 10G-5 - Body ground Always 10 kΩ or higher
O108-2 (ACT-) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

4.INSPECT POWER DISTRIBUTION BOX ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.INSPECT POWER DISTRIBUTION BOX ASSEMBLY
a.

Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly.

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


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
10G-5 - MB-19 (LGCY) 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

REPLACE POWER DISTRIBUTION BOX ASSEMBLY

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