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
   
   

   Tester Connection	Condition	Specified Condition
   A20-1 (B) - Body ground	Ignition switch on (IG)	10 to 14 V

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

   Standard resistance 

   RESISTANCE REFERENCE
   
   

   Tester Connection	Condition	Specified Condition
   A20-10 (SGND) - Body ground	Always	Below 1 Ω
   A20-12 (GND) - Body ground	Always	Below 1 Ω

   Fig 1: Identifying A20 Connector Terminal

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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