Inspection Procedure

1. Connect the intelligent tester to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the intelligent tester main switch on.
4. Select the item below in the ACTIVE TEST and then check the front fog light operation.

   ACTIVE TEST: BODY NO. 5 (Front Controller) 

   ACTIVE TEST
   
   

   Item	Test Details	Diagnostic Note
   F FOG LIGHT RLY	Front fog light relay ON / OFF	-

   OK: Fog light illuminates. 

NG: Go to step 2 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

1. Remove the FR FOG fuse from the engine room No. 2 relay block.
2. Measure the resistance of the fuse.

   Standard resistance: Below 1 Ω 

NG: REPLACE FUSE 

OK: Go to Next Step 

1. Disconnect the 2E relay block connector.
2. Measure the voltage according to the value (s) in the table below.

   Standard voltage 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   2E-1 - Body ground	Always	10 to 14 V

   Fig 1: Identifying 2E Relay Block Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to Next Step 

1. Check the wire harness between the fog light (front LH) and engine room No. 2 relay block, and the fog light (front LH) and body ground.
   1. Disconnect the 2G relay block connector.
   2. Disconnect the B13 fog light connector.
   3. Measure the resistance according to the value (s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART
      
      

      Tester Connection	Condition	Specified Condition
      2G-7 - B13-2 (HI)	Always	Below 1 Ω
      26-7 or B13-2 (HI) - Body ground	Always	10 kΩ or higher
      B13-1 (E) - Body ground	Always	Below 1 Ω

      Fig 2: Identifying B13 Fog Light Connector Terminals

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check the wire harness between the fog light (front RH) and engine room No. 2 relay block, and the fog light (front RH) and body ground.
   1. Disconnect the 2G relay block connector.
   2. Disconnect the B1 fog light connector.
   3. Measure the resistance according to the value (s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART
      
      

      Tester Connection	Condition	Specified Condition
      2G-6 - B1-2 (HI)	Always	Below 1 Ω
      2G-6 or B1-2 (HI) - Body ground	Always	10 kΩ or higher
      B1-1 (E) - Body ground	Always	Below 1 Ω

      Fig 3: Identifying B1 Fog Light Connector Terminals

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE ENGINE ROOM NO. 2 R/B (FRONT CONTROLLER)