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Home >> Infiniti >> 2004 >> G35 Base, 2D Coupe, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> 2004 - Engine Control System - Coupe >> DTC P1564: ASCD Steering Switch >> Diagnostic Procedure >> 3. Check ASCD Steering Switch Ground Circuit For Open And Short

3. Check ASCD Steering Switch Ground Circuit For Open And Short

  1. Turn ignition switch OFF.
  2. Disconnect ECM harness connector.
  3. Disconnect combination switch harness connector M203.
  4. Check harness continuity between combination switch terminal 15 and ECM terminal 67. Refer to Wiring Diagram.
    1. Continuity should exist  .
  5. Also check harness for short to ground and short to power.

OK or NG 

OK: GO TO 5 .

NG: GO TO 4.

Fig 1: Locating ASCD Steering Switch
G00724266Courtesy of NISSAN MOTOR CO., U.S.A.