LIGHTING SYSTEM License Plate Light Circuit

DESCRIPTION

When the light switch TAIL signal is received from the cowl side junction block ECU, the license plate light illuminates.

PROCEDURE

1. Click here

   INSPECT FUSE (TAIL FUSE)

   
   

   1. Remove the TAIL fuse from the main body ECU.

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

      Standard Resistance
      Tester Connection Condition Specified Condition TAIL fuse Always Below 1 Ω

   
   
   • OKClick here
   • NG

     REPLACE FUSE

2. Click here

   CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BATTERY)

   
   
   1. 

      Table 1.

      *1	Front view of wire harness connector: (to Main Body ECU)

      Disconnect the 2A ECU connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition 2A-1 - Body ground Always 11 to 14 V

   
   
   • OKClick here
   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR

3. Click here

   CHECK VEHICLE TYPE

   
   

   1. Check the vehicle type.

      Table 2. Result

      Result	Proceed to
      for Double Swing Out Type	A
      except Double Swing Out Type, w/ Tire Carrier	B
      except Double Swing Out Type, w/o Tire Carrier	C

   
   
   • AClick here
   • BClick here
   • CClick here
4. Table 3. *1 Front view of wire harness connector: (to License Plate Light) *2 Front view of wire harness connector: (to Main Body ECU)
   Click here

   CHECK HARNESS AND CONNECTOR (LICENSE PLATE LIGHT - MAIN BODY ECU AND BODY GROUND)

   
   

   1. Disconnect the 2C ECU connector.

   2. Disconnect the W2 light connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition 2C-22 - W2-1 (B) Always Below 1 Ω W2-2 (E) - Body ground W2-1 (B) - Body ground Always 10 kΩ or higher

   
   
   • OK

     REPLACE MAIN BODY ECU

   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR

5. Table 4. *1 Front view of wire harness connector: (to License Plate Light) *2 Front view of wire harness connector: (to Main Body ECU)
   Click here

   CHECK HARNESS AND CONNECTOR (LICENSE PLATE LIGHT - MAIN BODY ECU AND BODY GROUND)

   
   

   1. Disconnect the 2C ECU connector.

   2. Disconnect the h2 light connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition 2C-22 - h2-1 Always Below 1 Ω h2-2 - Body ground h2-1 - Body ground Always 10 kΩ or higher

   
   
   • OK

     REPLACE MAIN BODY ECU

   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR

6. Click here

   CHECK HARNESS AND CONNECTOR (LICENSE PLATE LIGHT - MAIN BODY ECU AND BODY GROUND)

   
   

   1. Disconnect the 2C ECU connector.

   2. for LH:

      
      

      1. Disconnect the S3 light connector.

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

         Standard Resistance
         Tester Connection Condition Specified Condition 2C-22 - S3-1 Always Below 1 Ω S3-2 - Body ground S3-1 - Body ground Always 10 kΩ or higher

   3. for RH:

      
      

      1. Disconnect the S2 light connector.

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

         Standard Resistance
         Tester Connection Condition Specified Condition 2C-22 - S2-1 Always Below 1 Ω S2-2 - Body ground S2-1 - Body ground Always 10 kΩ or higher

   
   
   • OK

     REPLACE MAIN BODY ECU

   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR