Distance Control ECU Power Source Circuit: Procedure

CHECK HARNESS AND CONNECTOR

Disconnect the D2 distance control ECU connector.

Fig 1: Identifying D2 Distance Control ECU Connector Terminals
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Measure the voltage according to the value(s) in the table below.

Standard Voltage

Tester Connection	Condition	Specified Condition
D2-1 (B) - Body ground	Ignition switch on	10 to 14 V

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

Standard Resistance

Tester Connection	Condition	Specified Condition
D2-10 (SGND) - Body ground	Always	Below 1 Ω
D2-12 (GND) - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK → See step 2

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE