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Home >> Porsche >> 1987 >> 944 Base, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Testing >> Program Switch Position 10 >> Right Front Speed Sensor (Internal Resistance)
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Right Front Speed Sensor (Internal Resistance)

  1. Press "VR" button. Digital display should read between 800-1800 ohms. If readout is okay, go to LEFT REAR SPEED SENSOR (INTERNAL RESISTANCE) test. If not, go to step 2).
  2. Check internal resistance and continuity between terminals No. 21 and 23 of disconnected control unit plug. Check plug connection. If not okay, replace speed sensor.
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