Lighting System Front Fog Light Circuit

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (FRONT FOG LIGHT RELAY)

CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:

Inspect the fuses and bulbs for circuits related to this system before performing the following inspection procedure.

1. Using the intelligent tester, perform the Active Test (LandCruiser RM000000PKV0J6X.html).
   
   

   Main Body

   Tester Display	Test Part	Control Range	Diagnostic Note
   Front Fog Light Relay	Front fog light relay	ON/OFF	The headlight dimmer switch is in the tail position.

   OK:

   Front fog light relay operates (front fog lights come on).
   

1. Remove the driver side junction block with its connectors still connected (LandCruiser RM000003WBO05FX.html).
   

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

   Standard Voltage:

   Tester Connection	Switch Condition	Specified Condition
   2F-9 - Body ground	Headlight dimmer switch in tail and front fog light switch on	11 to 14 V

   Text in Illustration

   *a	Component with harness connected (Driver Side Junction Block Assembly)

1. Remove the driver side junction block assembly (LandCruiser RM000003WBO05FX.html).
   

2. Remove the main body ECU from the driver side junction block assembly (LandCruiser RM000003WBO05FX.html).
   

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

   Standard Voltage:

   Tester Connection	Condition	Specified Condition
   2F-9 - Body ground	Apply battery positive (+) to 2K-1, and battery negative (-) to A-13 and A-14	11 to 14 V
   	Always	Below 1 V