TROUBLE DIAGNOSES - Consult (Cont'd)
EF & EC-45prose procedureConsult (Cont'd)
WORK SUPPORT MODE
THROTTLE SENSOR ADJUSTMENT
CONDITIONCHECK THE THROTTLE SENSOR SIGNAL. ADJUST IT TO THE SPECIFIED VALUE BY ROTATING THE SENSOR BODY UNDER THE FOLLOWING CONDITIONS. • IGN SW "ON" • ENG NOT RUNNING • ACC PEDAL KEPT OFF
USAGEWhen adjusting throttle sensor initial position. The throttle sensor output voltage is displayed on the CONSULT unit, so that the sensor installation position can be checked by observing the output voltage when the throttle valve is fully closed.
IGNITION TIMING ADJUSTMENT
CONDITION• IGNITION TIMING FEEDBACK CONTROL WILL BE HELD BY TOUCHING "START". AFTER DOING SO, ADJUST IGNITION TIMING BY TURNING THE CRANK ANGLE SENSOR.
USAGEWhen adjusting initial ignition timing.
A.A.C. VALVE ADJUSTMENT
CONDITIONSET ENGINE RPM AT THE SPECIFIED VALUE UNDER THE FOLLOWING CONDITION. • ENGINE WARMED UP • NO-LOAD
USAGEWhen adjusting idle speed. The AAC valve is fixed in a suitable position for adjustment, thereby supporting idle screw adjustment.
FUEL PRESSURE RELEASE
CONDITION• FUEL PUMP WILL STOP BY TOUCHING "START" DURING IDLING. CRANK A FEW TIMES AFTER ENGINE STALLS.
USAGEStops fuel pump operation to stall the engine, releasing the pressure in the fuel system.