LIGHTING SYSTEM Luggage Room Light Circuit

DESCRIPTION

The back door motor unit (power back door ECU) receives a signal from the back door courtesy switch to control the luggage compartment light.

INSPECTION PROCEDURE

PROCEDURE

1. Click here

   READ VALUE USING INTELLIGENT TESTER

   
   

   1. Connect the intelligent tester to the DLC3.

   2. Turn the engine switch on (IG).

   3. Turn the intelligent tester on.

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

   5. Read the display on the intelligent tester.

      Table 1. Back Door

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

      OK
      Normal conditions listed above are displayed.

   
   
   • OKClick here
   • NGClick here
2. Click here

   INSPECT NO. 1 LUGGAGE COMPARTMENT LIGHT ASSEMBLY

   
   

   1. Inspect No. 1 luggage compartment light assembly (Click here).

      OK
      No. 1 Luggage compartment light assembly is normal.

   
   
   • OKClick here
   • NGClick here
3. Click here

   CHECK HARNESS AND CONNECTOR (BATTERY - BACK DOOR MOTOR UNIT (POWER BACK DOOR ECU))

   
   
   1. 

      Disconnect the N18 back door motor unit (power back door ECU) connector.

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

      Standard Voltage
      Tester connection Switch Condition Specified condition N18-3 (CTYO) - Body ground Luggage compartment light switch off Below 1 V N18-3 (CTYO) - Body ground Luggage compartment light switch on 11 to 14 V

   
   
   • OKClick here
   • NGClick here
4. Click here

   INSPECT BACK DOOR COURTESY SWITCH (BACK DOOR LOCK ASSEMBLY)

   
   

   1. Inspect back door courtesy switch (back door lock assembly) (Click here).

      OK
      Back door courtesy switch (back door lock assembly) is normal.

   
   
   • OKClick here
   • NGClick here
5. Click here

   CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK ASSEMBLY - ECU AND BODY GROUND)

   
   
   1. 

      Disconnect the N18 back door motor unit (power back door ECU) connector.

   2. Disconnect the U13 back door lock assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition N18-20 (FUL) - U13-3 (CTY) Always Below 1 Ω N18-20 (FUL) - Body ground Always 10 kΩ or higher U13-4 (E) - Body ground Always Below 1 Ω

   
   
   • OKClick here
   • NGClick here
6. Click here

   REPAIR OR REPLACE HARNESS OR CONNECTOR

7. Click here

   REPLACE BACK DOOR MOTOR UNIT (POWER BACK DOOR ECU)Click here

8. Click here

   REPLACE BACK DOOR COURTESY SWITCH (BACK DOOR LOCK ASSEMBLY)Click here

9. Click here

   REPLACE NO. 1 LUGGAGE COMPARTMENT LIGHT ASSEMBLYClick here