Inspection Procedure

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

   Standard voltage 

   VOLTAGE SPECIFICATION CHART
   
   

   Tester Connection	Condition	Specified Condition
   J17-1 (B) - Body ground	Engine switch on (IG)	10 to 14 V

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

   Standard resistance 

   RESISTANCE SPECIFICATION CHART
   
   

   Tester Connection	Condition	Specified Condition
   J17-10 (SGND) - Body ground	Always	Below 1 Ω
   J17-12 (GND) - Body ground	Always	Below 1 Ω

   Fig 1: Identifying Distance Control ECU Connector D2

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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