Indicated error of the speedometer is significantly large

1. Indicated error of the speedometer is significantly large diagnostics

1. Pre-check and visual inspection

1) Check using a speed meter tester.

Refer to "210.Body, Cab, Accessories 23C.Functional Inspection speedometer accuracy check inspection".

2) Confirm whether the tire size and the tire air pressure are the specified values.

3) Check for any interference from aftermarket electronic components such as two-way radios or lights.

Turn OFF or remove any aftermarket electronic components to ensure that there is no influence on inspections or operations.

2. Components inspection

1) Inspect the instrument panel cluster.

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. instrument panel cluster diagnostics".

If a malfunction is found in the instrument panel cluster, replace it.

Caution

  • If the instrument panel cluster is replaced with a new one, write the vehicle information to the instrument panel cluster.

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. instrument panel cluster removal".

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. instrument panel cluster installation".

Refer to "9.Body, Cab, Accessories 9E.Instrumentation, Driver Info. instrument panel cluster setting".

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