Inspection Procedure 15: Engine Does Not Revole Up

COMMENT ON TROUBLE SYMPTOM

Failure is possibly caused by failed fuel system, throttle valve opening control system ignition system or other faults.

PROBABLE CAUSES

Failed ignition system
Failed fuel system
Failed throttle valve control system
Failed engine-ECU or engine-A-M/T-ECU

DIAGNOSIS PROCEDURE

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

Q. 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 No. 11: Accelerator pedal position sensor (main)
Item No. 12: Accelerator pedal position sensor (sub)
Item No. 13: Throttle position sensor (main)
Item No. 14: Throttle position sensor (sub)

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. Visual check of ignition spark.

Remove the spark plug and install to the ignition coil.
Connect the ignition coil connector.
Remove all injector connectors.
At the engine start, check each spark plug procedure a spark.

Q. Is the check result normal?

	Go to Step 4 .

	Check ignition circuit system (Refer to Inspection Procedure 39 <135>, Inspection Procedure 40 <4A9>).

STEP 4. Fuel pressure measurement.

Fuel pressure measurement (Refer to ).

Q. Is the check result normal?

	Replace the engine-ECU or engine-A-M/T-ECU then perform the variant coding (Refer to GROUP 00 - Precautions Before Service - How to Perform Variant Coding ).

	Repair the fuel pressure.