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Home >> Infiniti >> 2003 >> Q45 >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Auto Cruise Control System >> Automatic Speed Control Device (ASCD) >> Trouble Diagnoses >> Power Supply And Ground Circuit Check >> 2. Check Ground Circuit For ASCD Control Unit

2. Check Ground Circuit For ASCD Control Unit

Check continuity between ASCD control unit harness connector M35 terminal 4 (B/W), 17(B) and ground.

Dose continuity exist? 

Fig 1: Checking Ground Circuit for ASCD Control Unit
G00737320Courtesy of NISSAN MOTOR CO., U.S.A.

Refer to wiring diagram in Figure .

Yes or No 

  1. Yes : Power supply and ground circuit is OK.
  2. No : Repair harness or connector.