Inspection Procedure 10: Engine Does Not Revole Up

COMMENT ON TROUBLE SYMPTOM

Failure is possibly caused by failed fuel system, throttle valve control system, ignition system and so on.

PROBABLE CAUSE

Failed ignition system
Failed fuel system
Failed throttle valve control system
Timing belt in out of place
Failed engine-A/T-ECU

DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III diagnosis code

Q. Is diagnosis code set?

	Inspection chart for diagnosis code (Refer to ).

	Go to Step 2 .

STEP 2. M.U.T.-III data list

Refer to Data List Reference Table .

Item 14: Throttle position sensor (sub)
Item 77: Accelerator pedal position sensor (sub)
Item 78: Accelerator pedal position sensor (main)
Item 79: Throttle position sensor (main)

Q. Are the check results normal?

	Go to Step 3 .

	Perform the diagnosis code classified check procedure for the sensor that has shown an abnormal data value (Refer to Inspection Chart for Diagnosis Code ).

STEP 3. Check ignition coil spark.

Q. Is the check result normal?

	Go to Step 4 .

	Check ignition circuit system (Refer to Inspection Procedure 26 ).

STEP 4. Check timing marks of timing belt.

Q. Is the check result normal?

	Go to Step 5 .

	Align timing marks.

STEP 5. Check spark plug.

Q. Is the check result normal?

	Go to Step 6 .

	Replace spark plug.

STEP 6. Fuel pressure measurement.

Fuel pressure measurement. (Refer to Fuel Pressure Test ).

Q. Is the check result normal?

	Replace engine-A/T-ECU.

	Repair.