Distance Control ECU Power Source Circuit: Procedure

1. Disconnect the distance control ECU connector.
   Fig 1: Identifying Terminals Of Distance Control ECU Connector

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2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

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

3. Reconnect the distance control ECU connector.

NG → See step   3 

OK: Go to next step 

1. Measure the resistance according to the value(s) in the table below.
   Fig 2: Identifying Terminals Of Distance Control ECU Connector

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   Standard Resistance

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

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   4 

1. Disconnect the LD connector from main body ECU LH (cowl side junction block LH).
   Fig 3: Identifying Terminals Of Distance Control ECU Connector

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

   Standard Resistance

   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

3. Reconnect the LD connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   5