Diagnostic Test
- 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 - *****.
- 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 STEP 2 .
NO
GO TO STEP 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 STEP 3 .
- PERFORM ECM PROGRAMMING
After replacing ECM, perform the ECM programming. Refer to "CONSULT Operation Manual".
NOTE:- Refer to REMOVAL AND INSTALLATION for replacement of ECM.
- 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 STEP 5 .
- REPLACE ECM
Replace ECM. Refer to REMOVAL AND INSTALLATION .
GO TO STEP 5 .
- PERFORM INITIALIZATION OF NVIS (NATS) SYSTEM AND REGISTRATION OF ALL NVIS (NATS) IGNITION KEY IDS
Refer to SYSTEM DESCRIPTION .
GO TO STEP 6 .
- PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
Refer to WORK PROCEDURE .
GO TO STEP 7 .
- PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Refer to WORK PROCEDURE .
GO TO STEP 8 .
- PERFORM IDLE AIR VOLUME LEARNING
Refer to WORK PROCEDURE .
GO TO STEP 9 .
- PERFORM G SENSOR CALIBRATION
Refer to WORK PROCEDURE .
END