Inspection Procedure

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

   Standard Resistance 

   RESISTANCE REFERENCE
   
   

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

NG: REPLACE FUSE 

OK: Go to next step 

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

   Standard Resistance 

   RESISTANCE REFERENCE
   
   

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

   Fig 1: Identifying X13 Infrared Ray Sensor Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Measure the voltage according to the value (s) in the table below.

   Standard Voltage 

   VOLTAGE SPECIFICATION
   
   

   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  )