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Home >> Nissan-Datsun >> 2004 >> Maxima SE, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC >> DTC P1564: ASCD Steering Switch >> Diagnostic Procedure >> 4. Check ASCD Steering Switch Input Signal Circuit For Open And Short
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4. Check ASCD Steering Switch Input Signal Circuit For Open And Short

  1. Check harness continuity between ECM terminal 99 and combination switch terminal 14.

    Refer to WIRING DIAGRAM.

    1. Continuity should exist. 
  2. Also check harness for short to ground and short to power.

OK or NG 

  1. OK: GO TO 6 .
  2. NG: GO TO 5.