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Home >> Jeep >> 1993 >> Cherokee Country, 2D Utility, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Test 21A >> Right Rear Sensor

Right Rear Sensor

  1. Inspect right rear wheel speed sensor for damage. If sensor is okay, go to next step. If sensor is damaged, repair or replace as necessary. Perform VERIFICATION TEST VER-1A.
  2. Inspect right rear wheel speed sensor tone (pulse) ring for damaged teeth and excessive runout. Runout should not exceed .003" (.08 mm). Repair or replace tone ring as necessary. Perform VERIFICATION TEST VER-1A. If tone ring is okay, go to next step.
  3. Using a feeler gauge, check right rear wheel sensor-to-tone ring clearance. If clearance is .036-.050" (.91-1.27 mm), go to next step. If clearance is not .036-.050" (.91-1.27 mm), repair as necessary. Perform VERIFICATION TEST VER-1A.
  4. Inspect right rear wheel speed sensor wiring harness for damage. If wiring harness is okay, go to next step. If wiring harness is damaged, repair wiring harness as necessary. Perform VERIFICATION TEST VER-1A.
  5. Disconnect right rear wheel speed sensor. Using an external ohmmeter, measure resistance of right rear wheel speed sensor. If resistance is 900-1300 ohms, replace CAB. Perform VERIFICATION TEST VER-1A. If resistance is not 900-1300 ohms, replace sensor. Perform VERIFICATION TEST VER-1A.
NOTE: If excessive axle deflection occurs on extremely bumpy surfaces or during off road use, it is possible for a wheel speed sensor to set a code.
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