Speedometer Calibration Test
Adjust tire pressure to standard value. Using a calibrated, reliable speedometer tester, compare reading of vehicle to speedometer tester. See SPEEDOMETER ALLOWABLE VARIATION . Replace speedometer as necessary.
SPEEDOMETER ALLOWABLE VARIATION
| MPH (km/h) | Allowable Variation MPH (km/h) |
|---|---|
| 20 (32) | 19-22 (31-35) |
| 40 (64) | 38-44 (61-71) |
| 60 (97) | 57-66 (92-106) |
| 80 (129) | 76-88 (122-142) |
| 100 (161) | 94-110 (151-177) |
For vehicle speed sensor testing on Colt and Summit, see VEHICLE SPEED SENSOR under COMPONENT TESTS in CRUISE CONTROL article.