Using a speedometer tester

Adjust the tire pressure to the specification.

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

SPEEDOMETER TESTER SPECIFICATION

Speedometer tester indication (km/h)	Allowable range (km/h)
20	17-23
40	38-42
60	57-63
80	77-83
100	97-103
120	117-124
140	136-144

SPEEDOMETER TESTER SPECIFICATION

Speedometer tester indication (mph)	Allowable range (mph)
10	8-12
20	18-22
30	28-32
40	38-42
50	48-52
60	58-62
70	68-72
80	78-83

Verify that the speedometer reading is within the range indicated in the table.
- If the speedometer does not operate or the indication is not within the allowable range, inspect the following:
  - PCM
  - TCM (ATX vehicles)
  - ABS HU/CM (With ABS)
  - DSC HU/CM (With DSC)
  - Related wiring harness
  - If the PCM, TCM (vehicles with ATX), ABS HU/CM (vehicles with ABS) or DSC HU/CM (vehicles with DSC), and related wiring harnesses are normal, replace the instrument cluster.