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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 406 (Engine Controls - System & Component Testing) >> ASCD Brake Switch >> Diagnostic Procedure >> 10. Check ASCD Brake Switch Input Signal Circuit For Open And Short
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10. Check ASCD Brake Switch Input Signal Circuit For Open And Short

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch OFF.
  2. Disconnect ECM harness connector.
  3. Check harness continuity between ECM terminal 108 and ASCD brake switch terminal 2.

    Refer to Wiring Diagram.

    1. Continuity should exist. 
  4. Also check harness for short to ground or short to power.

OK or NG 

  1. OK : GO TO 12 .
  2. NG : GO TO 11.