LIGHTING SYSTEM Luggage Compartment Door Courtesy Switch Circuit

DESCRIPTION

The main body ECU receives a No. 1 luggage compartment light information signal from the back door courtesy light switch (for Wagon) or luggage compartment door courtesy light switch (for Sedan), and illuminates the No. 1 luggage compartment light.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

PROCEDURE

1. READ VALUE USING INTELLIGENT TESTER (BACK DOOR COURTESY SWITCH)

   
   

   1. Connect the intelligent tester to the DLC3.

   2. Turn the ignition switch to ON.

   3. Turn the intelligent tester on.

   4. Enter the following menus: Body / Main Body / Data List / Back Door Courtesy Switch.

   5. Use the Data List to check if the back door courtesy light switch (for Wagon) or luggage compartment door courtesy light switch (for Sedan) is operating properly.

      Main Body

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      Back Door Courtesy Switch	Back door courtesy light switch (for Wagon) or luggage compartment door courtesy light switch (for Sedan) / ON or OFF	ON: Back door (for Wagon) or luggage compartment door (for Sedan) opened OFF: Back door (for Wagon) or luggage compartment door (for Sedan) closed	-

      OK
      Tester display changes according to opening and closing of back door (for Wagon) or luggage compartment door (for Sedan).

   
   

   OK

   REPLACE MAIN BODY ECU

   NG

2. INSPECT DOOR COURTESY LIGHT SWITCH

   

   Text in Illustration

   *1	Component without harness connected (Luggage Compartment Door Lock Assembly [for Sedan])
   *2	Component without harness connected (Back Door Lock Assembly [for Wagon])

   
   

   1. for Sedan:

      Remove the luggage compartment door lock (luggage compartment door courtesy light switch) Click here.

   2. for Wagon:

      Remove the back door lock (back door courtesy light switch) Click here.

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

      Standard Resistance
      for Sedan
      Tester Connection Condition Specified Condition 2 (E) - 3 (D+) Luggage compartment door closed 10 kΩ or higher Luggage compartment door opened Below 1 Ω
      for Wagon
      Tester Connection Condition Specified Condition 1 (ACT-) - 3 (D+) Back door closed 10 kΩ or higher Back door opened Below 1 Ω

      Result

      Result	Proceed to
      OK	A
      NG (for Sedan)	B
      NG (for Wagon)	C

   
   

   B

   REPLACE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY Click here

   C

   REPLACE BACK DOOR LOCK ASSEMBLY Click here

   A

3. CHECK HARNESS AND CONNECTOR (COURTESY LIGHT SWITCH - MAIN BODY ECU AND BODY GROUND)

   

   Text in Illustration

   *1	Front view of wire harness connector (to Luggage Compartment Door Lock Assembly [for Sedan])
   *2	Front view of wire harness connector (to Back Door Lock Assembly [for Wagon])
   *3	Front view of wire harness connector (to Main Body ECU)

   
   

   1. for Sedan:

      Disconnect the G33 luggage compartment door lock (luggage compartment door courtesy light switch) connector.

   2. for Wagon:

      Disconnect the M6 back door lock (back door courtesy light switch) connector.

   3. Disconnect the DA main body ECU connector.

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

      Standard Resistance
      for Sedan
      Tester Connection Condition Specified Condition DA-7 (BCTY) - G33-3 (D+) Always Below 1 Ω G33-2 (E) - Body ground Always Below 1 Ω G33-3 (D+) - Body ground Always 10 kΩ or higher
      for Wagon
      Tester Connection Condition Specified Condition DA-7 (BCTY) - M6-3 (D+) Always Below 1 Ω M6-1 (ACT-) - Body ground Always Below 1 Ω M6-3 (D+) - Body ground Always 10 kΩ or higher

   
   

   OK

   REPLACE MAIN BODY ECU

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR