Distance Control ECU Power Source Circuit: Procedure

Fig 1: Identifying Distance Control ECU Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard voltage

   Tester Connection	Condition	Specified Condition
   K13-1 (B) - Body ground	Engine switch on (IG)	10 to 16 V

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

   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

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of wire harness connector (to Distance Control ECU)

4. Reconnect the distance control ECU connector.

NG → REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR (DISTANCE CONTROL ECU - BODY GROUND) 

OK → PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE