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Speedometer & Odometer Do Not Operate

  1. Check VSS and Vehicle Control Module (VCM). See TESTS W/CODES article in ENGINE PERFORMANCE section. If VSS and VCM are okay, turn ignition off. Disconnect instrument cluster connector and VCM Black 24-pin connector. Disconnect compass and temperature display module (if equipped). Connect a self-powered test light between instrument cluster connector terminal B14 (Dark Green wire) and ground. See Figure. If test light does not come on, go to next step. If test light comes on, repair short to ground in Dark Green wire.
  2. Connect self-powered test light between instrument cluster connector terminal B14 (Dark Green wire) and VCM Black 24-pin connector, terminal No. 4 (Dark Green wire). If test light comes on, replace instrument cluster. If test light does not come on, repair open circuit in Dark Green wire.
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