Inspection Procedure

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

   Standard Voltage 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Switch Condition	Specified Condition
   J17-1 (B) - Body ground	Engine switch on (IG)	11 to 14 V

Fig 1: Identifying Terminals Of Distance Control ECU Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: Go to step  3

OK: Go to next step 

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

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   J17-10 (SGND) - Body ground	Always	Below 1 Ω
   J17-12 (GND) - Body ground	Always	Below 1 4 Ω

Fig 2: Identifying Terminals Of Distance Control ECU Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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

1. Disconnect the LD connector from main body ECU LH (cowl side junction block LH).
2. Measure the resistance according to the value (s) in the table below.

   Standard Resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   J17-1 (B) - LD-29	Always	Below 1 Ω
   J17-1 (B) or LD-29 -Body ground	Always	10 kΩ or higher

Fig 3: Identifying Terminals Of Distance Control ECU Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START  (See POWER SOURCE MODE DOES NOT CHANGE )