Inspection Procedure

1. Disconnect the distance control ECU connector.
2. Measure the voltage according to the value (s) in the table below.

   Standard voltage 

   STANDARD VOLTAGE
   
   

   Tester Connection	Condition	Specified Condition
   K13-1 (B) - Body ground	Engine switch on (IG)	10 to 14 V

   Fig 1: Checking Distance Control ECU

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

   Standard resistance 

   STANDARD RESISTANCE
   
   

   Tester Connection	Condition	Specified Condition
   K13-10 (SGND) - Body ground	Always	Below 1 Ω
   K13-12 (GND) - Body ground	Always	Below 1 Ω

NG : REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR 

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