Luggage Compartment Door Courtesy Switch Circuit [09/2022 - 11/2022]: Procedure

1. Read the Data List according to the display on the Techstream.

   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

   OK

   Normal conditions listed above are displayed.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

Refer to PROBLEM SYMPTOMS TABLE [09/2022 - 11/2022] 

Result: 

NG 

See step  2

1. Inspect the luggage compartment door lock assembly.

   Refer to INSPECTION [01/2019 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY 

Refer to REMOVAL [03/2019 - ]

Result: 

OK 

See step  3

1. Disconnect the 8H power distribution box assembly connector.
2. Measure the resistance according to the value (s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   O108-3 (D+) - 8H-5	Always	Below 1 Ω
   O108-3 (D+) or 8H-5 - Body ground	Always	10 kΩ or higher
   O108-2 (ACT-) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

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

   Refer to REMOVAL [09/2022 - 11/2022]

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   8H-5 - MB-19 (LGCY)	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 

Refer to REMOVAL [09/2022 - 11/2022]

Result: 

NG 

REPLACE POWER DISTRIBUTION BOX ASSEMBLY 

Refer to REMOVAL [09/2022 - 11/2022]