|
Q.
Have the battery terminal been disconnected?
|
|
After warm-up engine, idle for about 10 minutes.
|
|
|
|
- Measure battery voltage at cranking.
|
|
Q.
Is the check result normal?
|
|
Check battery (Refer to GROUP 54 - Battery - On-vehicle Service - Battery Test ).
|
|
|
|
Q.
Is diagnosis code set?
|
|
Inspection chart for diagnosis codes (Refer to ).
|
|
|
|
- Refer to Data List Reference Table
.
- Item 12: Air flow sensor
- Item 13: Intake air temperature sensor
- Item 21: Engine coolant temperature sensor
|
|
Q.
Are the check results normal?
|
|
Perform the diagnosis code classified check procedure for the sensor that has shown an abnormal data value (Refer to Inspection Chart for Diagnosis Code ).
|
|
|
|
- Refer to Data List Reference Table
.
- Item 25: Barometric pressure sensor
|
|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
Clean throttle body (throttle valve portion) (Refer to ).
|
|
|
|
OK: Operating sound of fuel pump can be heard.
|
|
Q.
Is the check result normal?
|
|
Check fuel pump system (Refer to Inspection Procedure 23 ).
|
|
|
|
Q.
Is the check result normal?
|
|
- Check injector for operating sound at engine cranking (Refer to
).
|
|
Q.
Can operating sound be heard?
|
|
![](../../../buttons/03btn002.png)
Check the injector system of the defective cylinder. (Refer to Code No. P0201: No.1 Injector System .) (Refer to Code No. P0202: No.2 Injector System .) (Refer to Code No. P0203: No.3 Injector System .) (Refer to Code No. P0204: No.4 Injector System .)
|
|
|
|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
Q.
Is the check result normal?
|
|
Check ignition circuit system (Refer to Inspection Procedure 26 ).
|
|
|
|
- Check each injector for spray condition (Refer to
).
|
|
Q.
Is the check result normal?
|
|
- Check compression pressure (Refer to GROUP 11A - On-vehicle Service - Compression Pressure Check
).
|
|
Q.
Is the check result normal?
|
|
- Fuel pressure measurement (Refer to Fuel Pressure Test
).
|
|
Q.
Is the check result normal?
|
|
- Check EGR valve (stepper motor) itself [Refer to GROUP 17 - Emission Control System - Exhaust Gas Recirculation (EGR) System - EGR Valve (stepper motor) Check
].
|
|
Q.
Is the check result normal?
|
|
Replace EGR valve (stepper motor).
|
|
|
|
- After replacing the engine-A/T-ECU, re-check the trouble symptom.
|
|
Q.
Does the trouble symptom persist?
|
|
Check for foreign matters (water, kerosene, etc.) in fuel and replace if necessary.
|
|
|