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Home >> Mercedes Benz >> 1987 >> 560SL >> Repair and Diagnosis >> Brakes >> Traction Control >> 1983-88 & 1991 Brakes - Anti-Lock Brake System - 190E, 190D, 240D, 260E, 300CD, 300CE, 300E, 300D, 300SD, 300SDL, 300SEL, 300TD, 300TE, 350SD, 350SDL, 350SL, 380SE, 380SEC, 380SEL, 380SL, 420SEL, 500SEC, 500SEL, 560SEC, 560SEL, 560SL >> Testing >> Test 5 >> Testing Internal Resistance Of Speed Sensor

Testing Internal Resistance Of Speed Sensor

  1. Multimeter set to "OHMS" position. Ignition on. Rotary switch moved successively to positions 4 (left front wheel), 5 (right front wheel) and 6 (rear differential).
  2. Internal resistance:
    • Front Wheel 1.1-2.3 kOhms.
    • Rear Differential 0.6-1.6 kOhms.
  3. If resistance is below or over step 2), check coaxial plug or cable connector and connecting lines. Replace speed sensor or adjust wheel bearing play.
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