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Home >> Infiniti >> 2004 >> G35 x >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (2004 - Engine Control System - Coupe) >> DTC P1572: ASCD Brake Switch >> Diagnostic Procedure >> A/T Models >> 5. Check ASCD Brake Switch Input Signal Circuit For Open And Short

5. Check ASCD Brake Switch Input Signal Circuit For Open And Short

WARNING: This page is about a different variant/trim than selected.
  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 and short to power.

OK or NG 

OK: GO TO 7 .

NG: GO TO 6.