Inspection 8 Engine Speed Signal Malfunction
Inspection 8 Engine Speed Signal Malfunction1.CHECK SPEEDOMETER
Start the engine, and then check the combination meter (tachometer) operation.
Does it operate normally?
YES >> GO TO 2.
NO >> Combination meter. Refer to DI-18, "Trouble Diagnosis".
2.CHECK RAS CONTROL UNIT CONNECTOR
1. Turn ignition switch OFF, disconnect RAS control unit harness connector, and check terminal for deformation, disconnection, looseness, etc.
2. Reconnect harness connector securely, and perform self-diagnosis.
With CONSULT-III
Without CONSULT-III
Is above displayed on self-diagnosis display?
YES >> RAS control unit malfunction. Replace RAS control unit.
NO >> Connector terminal connection is loose, damaged, open, or shorted. Repair or replace the terminal.