Service & Repair Manual

24-168
Vehicle speed signal, checking
Notes:
The vehicle speed signal is generated by the
Vehicle Speed Sensor (VSS) -G68- (at
transmission) and processed in the instrument
cluster.
The processed signal enters at terminal 54 of
the ECM and is used for idle stabilization and
tip-in shock reduction during shifting.
Test requirement:
Function and display of speedometer OK.
Troubleshooting:
Electrical Wiring Diagrams, Troubleshooting &
Component Locations binder
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