Nissan Maxima 1993-1998 Repair Guide

Front Wheel Sensor

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REMOVAL & INSTALLATION



See Figures 1 and 2



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Fig. Fig. 1: ABS system components used on 1993-94 models



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Fig. Fig. 2: ABS system components found on 1995-98 models

  1. Raise and safely support the vehicle.
  2.  
  3. Remove the front wheels.
  4.  
  5. Unplug the sensor harness connector.
  6.  
  7. Detach the sensor-to-steering knuckle bolts.
  8.  
  9. Unbolt the sensor from the rear of the steering knuckle.
  10.  
  11. Withdraw the sensor from the sensor rotor. Remove the sensor mounting brackets from the sensor wiring.
  12.  

During removal and installation, take care not to damage the sensor or the teeth of the rotor.

To install:
  1. Transfer the mounting brackets to the new sensor. Insert the sensor through the opening in the rear of the knuckle and engage the sensor with the rotor teeth.
  2.  
  3. Install the sensor mounting bolts. Check and adjust the sensor-to-rotor clearance. Once the clearance is set, tighten the sensor-to-steering knuckle bolts to 13-17 ft. lbs. (18-24 Nm).
  4.  
  5. Position and install the sensor mounting brackets. Make the sure the sensor wiring is routed properly.
  6.  
  7. Engage the sensor harness connector.
  8.  
  9. Mount the front wheels and lower the vehicle.
  10.  

TESTING



  1. Check the clearance between the edge of the sensor and rotor teeth using a feeler gauge; the clearance should be 0.008-0.039 in. (0.2-1.0mm) on 1993-94 models. On 1995-98 models, it should be 0.0071-0.0343 in. (0.18-0.87mm). To adjust the clearance, loosen the sensor mounting bolt(s) and move the sensor back and forth until the clearance is as specified.
  2.  
  3. Using an ohmmeter, measure the resistance between the harness terminals. It should be 0.8-1.2k ohms.
  4.  

 
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