LIGHTING SYSTEM Luggage Compartment Door Courtesy Switch Circuit

DESCRIPTION

The main body ECU (multiplex network body ECU) detects the condition of the luggage compartment door courtesy switch that is built into the luggage compartment door lock assembly using this circuit.

CAUTION / NOTICE / HINT

PROCEDURE

1. Click here

   READ VALUE USING GTS

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the engine switch on (IG).

   3. Turn the GTS on.

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

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

      
      
      1. Body Electrical > Main Body > Data List

         Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
         Luggage Courtesy SW	Luggage compartment door courtesy switch signal	ON or OFF	ON: Luggage compartment door open OFF: Luggage compartment door closed	-

      2. 
         
         10. 
             
      
      
      1. Body Electrical > Main Body > Data List

         Tester Display
         Luggage Courtesy SW

      2. 
         
         1. 
            
      3. 
         
         10. 
             

      OK
      Normal conditions listed above are displayed.

      Result
      Proceed to OK NG

   
   
   • OK

     PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

   • NGClick here
2. Click here

   INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY

   
   

   1. Remove the luggage compartment door lock assembly.

      Click here

   2. Inspect the luggage compartment door courtesy switch built into the luggage compartment door lock assembly.

      Click here

      OK
      Luggage compartment door lock assembly is normal.

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     REPLACE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLYClick here

3. Click here

   CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND)

   
   

   1. Disconnect the 4D instrument panel junction block assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition U46-3 (D+) - 4D-16 Always Below 1 Ω U46-3 (D+) - Body ground Always 10 kΩ or higher U46-2 (E) - Body ground Always Below 1 Ω

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR

4. Click here

   INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

   
   

   1. Remove the instrument panel junction block assembly.

      Click here

   2. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

      Click here

   3. 

      *a

      Component without harness connected (Instrument Panel Junction Block Assembly)

      -

      -

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

      Standard Resistance
      Tester Connection Condition Specified Condition 4D-16 - MB-4 (LGCY) Always Below 1 Ω

      Result
      Proceed to OK NG

   
   
   • OK

     REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)Click here

   • NG

     REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLYClick here