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 lock assembly using this circuit.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

PROCEDURE

1. 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 display on the GTS.

      Main Body

      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	-

      OK
      Normal conditions listed above are displayed.

   
   

   OK

   PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

   NG

2. INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY

   
   

   1. Remove the luggage compartment door lock assembly Click here.

   2. Inspect the luggage compartment door lock assembly Click here.

      OK
      Luggage compartment door lock assembly is normal.

   
   

   NG

   REPLACE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY Click here

   OK

3. CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))

   
   

   1. Disconnect the H10 main body ECU (multiplex network body ECU) connector.

   2. Disconnect the P14 No. 1 luggage compartment light assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition U3-3 (D+) - H10-19 (LGCY) Always Below 1 Ω U3-3 (D+) - Body ground Always 10 kΩ or higher U3-2 (E) - Body ground Always Below 1 Ω

   
   

   OK

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

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR