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Home >> Porsche >> 1986 >> 944 Base, Standard >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Anti-Lock Brake System >> Testing >> Program Switch Position 10 >> Left Rear Speed Sensor (Internal Resistance)
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Left Rear Speed Sensor (Internal Resistance)

  1. Press "HL" button. Digital display should read between 800-1800 ohms. If readout is okay, go to RIGHT REAR SPEED SENSOR (INTERNAL RESISTANCE) test. If not, go to step 2).
  2. Check internal resistance and continuity between terminals No. 8 and 9 of disconnected control unit plug. Check plug connection. If not okay, replace speed sensor.
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