1) 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.
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
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".