| 1 |
PERFORM IDLE AIR VOLUME LEARNING Perform "Idle Air Volume Learning" in
[PROCEDURE AFTER REPLACING ECM
]. Is Idle Air Volume Learning carried out successfully? Yes or No |
GO TO 2. |
Follow the instruction of Idle Air Volume Learning. |
| 2 |
CHECK Intake system Check for the cause of intake air volume lacking. Refer to the following.
- Crushed intake air passage
- Intake air passage clogging
OK or NG |
GO TO 3. |
Repair or replace malfunctioning part |
| 3 |
CHECK FUEL INJECTION SYSTEM FUNCTION Perform
[P0171, P0174 FUEL INJECTION SYSTEM FUNCTION
] in DTC P0171, P0174 FUEL INJECTION SYSTEM FUNCTION. OK or NG |
GO TO 4. |
Go to
[P0171, P0174 FUEL INJECTION SYSTEM FUNCTION
]. |
| 4 |
PERFORM DTC CONFIRMATION PROCEDURE
- With SDT
- Turn ignition switch ON.
- Select "DTC check" mode with SDT.
- Touch "Clear".
- Perform DTC Confirmation Procedure.
See
[P1421 COLD START CONTROL ].
- Is the 1st trip DTC P1421 displayed again?
- With GST
- Turn ignition switch ON.
- Select Service $04 with GST.
- Perform DTC Confirmation Procedure.
See
[P1421 COLD START CONTROL ].
- Is the 1st trip DTC P1421 displayed again?
Yes or No |
GO TO 5. |
INSPECTION END |
| 5 |
REPLACE ECM
- Replace ECM.
- Perform initialization of immobilizer system and registration of all immobilizer system ignition key IDs. Refer to
[ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT: 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 |
|