Test Description

The numbers below refer to the step numbers on the diagnostic table.

1. 4.  This step tests for a malfunctioning component that is interrupting the vehicle speed signal circuit.
2. 5.  This step tests for the proper voltage from the IPC.

Fig 1: Speedometer and/or Odometer Inaccurate or Inoperative (1 Of 2)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Speedometer and/or Odometer Inaccurate or Inoperative (2 Of 2)

Courtesy of GENERAL MOTORS CORP.