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Pinpoint Test K - Speedometer Indicates 0 Mph At All Speeds When Vehicle Is In Motion

  1. Drive vehicle. Odometer should advance when vehicle is driven forward. If odometer advances, temporarily substitute known good EIC, then retest system. If odometer does not advance, go to next step.
  2. Drive car at speed faster than 30 MPH. Check for proper operation of cruise control. If cruise control operates correctly, go to next step. If speed control does not operate correctly, go to step 4).
  3. Disconnect negative battery cable. Unplug connectors C1 and C2 at EIC. See Figure. Unplug connector from vehicle speed sensor, located at left rear of transmission. Inspect Gray/Black wire between connector C1 terminal No. 12 and speed sensor for continuity or short to ground. Inspect Pink/Orange wire between connector C1 terminal No. 8 for continuity to ground. Repair as necessary. If wires are okay, temporarily substitute known good EIC, then retest system.
  4. Unplug connector from vehicle speed sensor, located at left rear of transmission. Measure resistance between sensor terminals. If resistance is 200-300 ohms, go to next step. If resistance is not as specified, replace vehicle speed sensor.
  5. Disconnect negative battery cable. Unplug connectors from EIC. Unplug connector from vehicle speed sensor, located at left rear of transmission. Inspect Gray/Black wire between connector C1 terminal No. 12 and speed sensor for continuity and shorts to ground. Inspect Pink/Orange wire between connector C1 terminal No. 8 for continuity to ground. Repair as necessary. If wires are okay, inspect speed sensor driven gear and clip, then replace as necessary.
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