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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 423 (Engine Control System - DTC) >> DTC P1572: ASCD Brake Switch >> Diagnostic Procedure >> 3. Check ASCD Clutch Switch Circuit
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3. Check ASCD Clutch Switch Circuit

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 ASCD brake switch harness connector.
  3. Turn ignition switch ON.
    Fig 1: Locating Brake Pedal Switches
    G00877658Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Check voltage between ASCD brake switch terminal 1 and ground under the following conditions with CONSULT-II or tester.
Fig 2: Test Parameters
G00877659Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 3: Check Voltage
G00877660Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

  1. OK: GO TO 10 .
  2. NG: GO TO 4.