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Unexpected Pedal Action

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. CHECK WARNING LAMP ACTIVATION 

    Make sure warning lamp remains off while driving.

    OK or NG 

    1. OK >> GO TO 2.
    2. NG >> Carry out self-diagnosis. Refer to SELF-DIAGNOSIS .
  2. CHECK BRAKE PEDAL STROKE 

    Check brake pedal stroke.

    Is pedal stroke excessive?

    1. Yes >> Perform Basic Inspection. Refer to Basic Inspection .
    2. No >> GO TO 3.
    Fig 1: Checking Brake Pedal Stroke
    G00341471Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK CONNECTOR AND BRAKING PERFORMANCE 
    1. Disconnect ABS actuator and electric unit (control unit) connector.
    2. Check brake effectiveness.

    OK or NG 

    1. OK >> GO TO 4.
    2. NG >> Perform Basic Inspection. Refer to Basic Inspection .
  4. CHECK WHEEL SENSORS 

    Check the following.

    • Wheel sensor mounting for looseness
    • Wheel sensors for physical damage
    • Wheel sensor connectors for terminal damage or loose connections

    OK or NG 

    • OK >> Check ABS actuator and electric unit (control unit) pin terminals for damage and the connection of harness connector. Reconnect ABS actuator and electric unit (control unit) harness connector. Then retest.
    • NG >> Repair as necessary.
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