Accuracy Check
Using speedometer tester, test drive vehicle and compare tester displayed values with indicated speedometer readings. Ensure speedometer indication is within allowable range. See SPEEDOMETER ACCURACY SPECIFICATIONS table. If vehicle speedometer indication is not within allowable range, replace speedometer.
SPEEDOMETER ACCURACY SPECIFICATIONS
| Vehicle Speed (Actual MPH) | Allowable Range (Indicated MPH) |
|---|---|
| 20 | 18-24 |
| 40 | 38-44 |
| 60 | 56-66 |
| 80 | 78-88 |
| 100 | 98-110 |
| 120 | 118-132 |