Speedometer Malfunction

Speedometer Malfunction

DESCRIPTION

Factors that affect the indicated vehicle speed include tire size, tire inflation, and tire wear. The speed indicated on the speedometer has an allowable margin of error. This can be tested using a speedometer tester (calibrated chassis dynamometer). For details about testing and the margin of error, see the reference chart.

Wiring Diagram:

Step 1:

Step 2-3:

Step 4-5:

Step 6:

INSPECTION PROCEDURE

NOTE: If the vehicle speed is outside the allowable range when tested, perform the following procedure.