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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 376 (Auto Cruise Control System) >> Automatic Speed Control Device (ASCD) >> Trouble Diagnoses >> Power Supply And Ground Circuit Check >> 1. Check Power Supply Circuit For ASCD Control Unit

1. Check Power Supply Circuit For ASCD Control Unit

WARNING: This page is about a different car, the 2004 Infiniti M45 and 2003 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect ASCD control unit connector.
  2. Turn ignition switch ON.
  3. Check voltage between ASCD control unit harness connector M35 terminal 5 (W/G) and ground.

    Dose battery voltage exist? 

Fig 1: Checking Power Supply Circuit for ASCD Control Unit
G00738562Courtesy of NISSAN MOTOR CO., U.S.A.

Refer to wiring diagram in SYSTEM WIRING DIAGRAMS .

Yes or No 

  1. Yes: GO TO 2.
  2. No: Check the following.
    • 10A fuse [No. 12 located in the fuse block (J/B) NO.1]
    • Harness for open or short
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