Inspection Procedure

1. Remove the D-IG1-3 fuse from the driver side junction block.
2. Measure the resistance of the fuse.

   Standard resistance 

   FUSE (D-IG1-3)
   
   

   Tester Connection	Condition	Specified Condition
   D-IG1-3fuse	Always	Below 1 Ω

NG: REPLACE FUSE 

OK: GO TO NEXT STEP 

Fig 1: Checking Harness And Connector (Infrared Ray Sensor - Body Ground And Battery)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the X13 infrared ray sensor connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   INFRARED RAY SENSOR - BODY GROUND AND BATTERY RESISTANCE
   
   

   Tester Connection	Condition	Specified Condition
   X13-1 (E) - Body ground	Always	10 kΩ or higher

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

   Standard voltage 

   INFRARED RAY SENSOR - BODY GROUND AND BATTERY VOLTAGE
   
   

   Tester Connection	Switch Condition	Specified Condition
   X13-5(IG)-Body ground	Engine switch on (IG)	11 to 14 V
   	Engine switch off	Below 1 V

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE INFRARED RAY SENSOR (See  REMOVAL   )