Work Procedure
- CHECK ECM PART NUMBER
Check ECM part number to see whether it is blank ECM or not.
NOTE:- Part number of blank ECM is 23703 - xxxxx.
- Check the part number when ordering ECM or with the one included in the label on the container box.
Is the ECM a blank ECM?
YES: GO TO 2.
NO: GO TO 4.
- SAVE ECM PART NUMBER
Read out the part number from the old ECM and save the number, following the programming instructions. Refer to "CONSULT Operation Manual".
NOTE:- The ECM part number is saved in CONSULT.
- Even when ECM part number is not saved in CONSULT, go to 3.
: GO TO 3.
- PERFORM ECM PROGRAMMING
After replacing ECM, perform the ECM programming. Refer to "CONSULT Operation Manual".
NOTE:- During programming, maintain the following conditions:
- Ignition switch: ON
- Electric load: OFF
- Brake pedal: Not depressed
- Battery voltage: 12 - 13.5 V (Be sure to check the value of battery voltage by selecting "BATTERY VOLT" in "Data monitor" of CONSULT.)
: GO TO 5.
- During programming, maintain the following conditions:
- REPLACE ECM
Replace ECM.
: GO TO 5.
- PERFORM INITIALIZATION OF NATS SYSTEM AND REGISTRATION OF ALL NATS IGNITION KEY IDS
Perform initialization of NATS system and registration of all NATS ignition key IDs. Refer to "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT: SPECIAL REPAIR REQUIREMENT ".
: GO TO 6.
- PERFORM VIN REGISTRATION
Perform VIN registration. Refer to "VIN REGISTRATION ".
: GO TO 7.
- PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
Perform accelerator pedal released position learning. Refer to "ACCELERATOR PEDAL RELEASED POSITION LEARNING ".
: GO TO 8.
- PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Perform throttle valve closed position learning. Refer to "THROTTLE VALVE CLOSED POSITION LEARNING ".
: GO TO 9.
- PERFORM IDLE AIR VOLUME LEARNING
Perform idle air volume learning. Refer to "IDLE AIR VOLUME LEARNING ".
: END