Display: Solid Warning Lamp
Type: Speed Signal
On Instrument Panel
No speed signal
Vehicle started 25 to 50 times without being moved
Sensor disconnected or loose plug
Either speed sensor wire is open (broken wire)
Either speed sensor wire Is shorted to ground (bare wire Is
touching the frame)
Faulty speed sensor
Tang drive broken/disconnected on mechanical sensor
Gap not adjusted correctly on pole sensor
Sensor wires shorted together
Faulty Electronic Control Unit
* Possible causes are listed in order of likely occurrence.
A "Speed Signal" code indicates a faulty speed sensor
signal which can be set by one of two conditions:
A wiring or sensor connection may cause the
signal to fail to get to the ECU.
A misadjusted or faulty sensor may result in no
speed signal being generated.
Note: This fault may occur if ignition has been
cycled 25 to 50 times without moving the vehicle.
See "Troubleshooting Tips" on page 3-92.15 for general
guidelines on system diagnostics.
3-92.44 Change 3