Using a speedometer tester

Using a speedometer tester, verify that the tester reading is as indicated in the table below.

Speedometer tester indication (km/h)	Allowable range (km/h)
20	17-23
40	38-43
60	57-63
80	77-83
100	97-103
120	116-124
140	136-144

Speedometer tester indication (mph)	Allowable range (mph)
10	9-11
20	19-21
30	29-31
40	39-41
50	48-52
60	58-62
70	68-72
80	78-82

Verify that the speedometer reading is within the range indicated in the table.
- If the speedometer does not move or the indication is not within the allowable range, inspect the PCM, TCM, and related wiring harnesses.
  - If the PCM, TCM, and related wiring harnesses are normal, replace the instrument cluster.