Diagnosis Procedure
DIAGNOSIS PROCEDURE CHART
| Step |
Action |
YES |
NO |
| 1 |
CHECK PCV HOSE CONNECTION
Confirm that PCV hose is connected correctly.
OK or NG |
GO TO 2. |
Repair or replace. |
| 2 |
CHECK INTAKE AIR LEAK
- Start engine and let it idle.
- Listen for an intake air leak after the mass air flow sensor.
OK or NG |
GO TO 3. |
Discover air leak location and repair. |
| 3 |
REPLACE ECM
- Stop engine.
- Replace ECM.
- Perform initialization of immobilizer system and registration of all immobilizer system ignition key IDs. Refer to
[ECM RE-COMMUNICATING FUNCTION: SPECIAL REPAIR REQUIREMENT
]
- Perform "VIN Registration" in
[PROCEDURE AFTER REPLACING ECM ].
- Perform "Accelerator Pedal Released Position Learning" in
[PROCEDURE AFTER REPLACING ECM ].
- Perform "Throttle Valve Closed Position Learning" in
[PROCEDURE AFTER REPLACING ECM ].
- Perform "Idle Air Volume Learning" in
[PROCEDURE AFTER REPLACING ECM ].
|
INSPECTION END |
|