Lighting System Rear Fog Light Circuit

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING GTS

INSPECT COWL SIDE JUNCTION BLOCK LH

CHECK HARNESS AND CONNECTOR (REAR FOG LIGHT ASSEMBLY - COWL SIDE JUNCTION BLOCK LH)

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

1. Operate the GTS according to the steps on the display and select "Active Test".
   
   

   Main Body

   Tester Display	Test Part	Control Range	Diagnostic Note
   Rear Fog Light Relay	Rear fog light	ON or OFF	-

   OK:

   Fog light turns on/turns off.
   

1. for LHD
   

   1. Remove the cowl side junction block LH (Click here).
      

   2. Remove the main body ECU (multiplex network body ECU) from the cowl side junction block LH (Click here).
      

2. for RHD
   

   1. Remove the cowl side junction block LH (Click here).
      

   2. Remove the main body ECU (multiplex network body ECU) from the cowl side junction block LH (Click here).
      

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

   Standard Voltage:

   Tester Connection	Condition	Specified Condition
   2K-25 - Battery negative (-) terminal	Battery voltage applied between terminals 2G-1 and A-14 (TRLY) and 2G-1 and A-27 (RFGO)	11 to 14 V
   	Battery voltage not applied between terminals 2G-1 and A-14 (TRLY) and 2G-1 and A-27 (RFGO)	Below 1 V

   Result

   Result	Proceed to
   OK	A
   NG (for LHD)	B
   NG (for RHD)	C

1. Disconnect the O6*1 and O5*2 rear fog connector.
   

   1. *1: for LH
      
   2. *2: for RH
      

2. Disconnect the 2K junction block connector.
   

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

Standard Resistance:

for LH

Tester Connection	Condition	Specified Condition
O6-2 - 2K-25	Always	Below 1 Ω
O6-2 or 2K-25 - Body ground	Always	10 kΩ or higher

for RH

Tester Connection	Condition	Specified Condition
O5-2 - 2K-25	Always	Below 1 Ω
O5-2 or 2K-25 - Body ground	Always	10 kΩ or higher

Result

Result	Proceed to
OK (for LHD)	A
OK (for RHD)	B
NG	C