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Vehicle Speed Sensor (Code 14)

WARNING: This page is about a different car, the 1985 Nissan 200SX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect speedometer cable from transmission. Disconnect 16-pin connector from ECCS control unit and check continuity between terminal 29 and ground. See Figure . Slowly turn cable.
  2. An on-off pulse should be detected. Ignition switch should be on if vehicle has digital speedometer, off with needle-type speedometer. If no pulse, check harness and vehicle speed sensor. If pulse is good, replace ECCS control unit.
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