ECM : Description
When replacing ECM, this procedure must be performed.
ECM : Work Procedure
1.PERFORM INITIALIZATION OF NATS SYSTEM AND REGISTRATION OF ALL NATS IGNITION KEY IDS
Refer to SEC "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement".
>> GO TO 2.
2.PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
Refer to EC "Work Procedure".
>> GO TO 3.
3.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Refer to EC "Work Procedure".
>> GO TO 4.
4.PERFORM IDLE AIR VOLUME LEARNING
Refer to EC "Work Procedure".
>> END
BCM : Description
BEFORE REPLACEMENT
When replacing BCM, save or print current vehicle specification with CONSULT configuration before replacement.
NOTE: If "Before Replace ECU" cannot be used, use the "After Replace ECU" or "Manual Configuration" after replacing BCM.
AFTER REPLACEMENT
CAUTION:
- Complete the procedure of "After Replace ECU" in order.
- If you set incorrect "After Replace ECU", incidents might occur.
- Configuration is different for each vehicle model. Confirm configuration of each vehicle model.
BCM : Work Procedure
1.SAVING VEHICLE SPECIFICATION
CONSULT
Enter "Re/Programming, Configuration" and perform "Before Replace ECU" to save or print current vehicle specification.
NOTE: If "Before Replace ECU" cannot be used, use the "After Replace ECU" or "Manual Configuration" after replacing BCM.
>> GO TO 2.
2.REPLACE BCM
Replace BCM. Refer to BCS "Removal and Installation".
>> GO TO 3.
3.WRITING VEHICLE SPECIFICATION
CONSULT
1. Enter "Re/Programming, Configuration".
2. If "Before Replace ECU" operation was performed, automatically an "Operation Log Selection" screen will be displayed. Select the applicable file from the "Saved Data List" and press "Confirm" to write vehicle specification. Refer to BCS "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (BCM) : Work Procedure".
3. If "Before Replace ECU" operation was not performed, select "After Replace ECU" or "Manual Configuration" to write vehicle specification. Refer to BCS "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (BCM) : Work Procedure".
>> GO TO 4.
4.INITIALIZE BCM (NATS)
Perform BCM initialization. (NATS)
>> Work End.
DTC/CIRCUIT DIAGNOSIS
Work Flow OVERALL SEQUENCE DETAILED FLOW 1.GET INFORMATION FOR SYMPTOM 1. Get detailed information from the customer about the symptom (the condition and the environment when the incident/ ...
Description ECM forcibly switches to the mode that inhibits engine start, when engine start operation is performed 5 times or more while communication between ECM and BCM is not normal. ...
Increasing fuel economy
Keep your engine tuned up.
Follow the recommended scheduled maintenance.
Keep the tires inflated to the correct pressure.
Low tire pressure increases tire wear
and lowers fuel economy.
Keep the wheels in correct alignment. Improper
alignment increases tire wear and
lowers fuel eco ...
Intake valve timing control
Intake valve timing control : System Diagram
Intake valve timing control : system description
INPUT/OUTPUT SIGNAL CHART
Sensor
Input signal to ECM
ECM function
Actuator
Crankshaft position sensor (POS)
Engine speed*1
Piston position
Intake valve timing
con ...