Work Procedure
1.INSPECTION START
Ensure engine stays below 1,000 rpm.
Is any DTC detected? YES >> GO TO 2.
NO >> GO TO 3.
2.REPAIR OR REPLACE
Repair or replace components as necessary according to corresponding Diagnostic Procedure.
>> GO TO 3.
3.CHECK TARGET IDLE SPEED
For procedure, refer to EC-479, "Inspection".
For specification, refer to EC-486, "Idle Speed".
Is the inspection result normal? YES >> GO TO 10.
NO >> GO TO 4.
4.PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
>> GO TO 5.
5.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Perform EC-139, "Work Procedure".
>> GO TO 6.
6.PERFORM IDLE AIR VOLUME LEARNING
Perform EC-140, "Work Procedure".
Is Idle Air Volume Learning carried out successfully? YES >> GO TO 7.
NO >> Follow the instruction of Idle Air Volume Learning. Then GO TO 4.
7.CHECK TARGET IDLE SPEED AGAIN
For procedure, refer to EC-479, "Inspection".
For specification, refer to EC-486, "Idle Speed".
Is the inspection result normal? YES >> GO TO 10.
NO >> GO TO 8.
8.DETECT MALFUNCTIONING PART
Check the Following.
Is the inspection result normal? YES >> GO TO 9.
NO >> Repair or replace. Then GO TO 4
9.CHECK ECM FUNCTION
>> GO TO 4.
10.CHECK IGNITION TIMING
For procedure, refer to EC-480, "Inspection" For specification, refer to EC-486, "Ignition Timing".
1 : Timing indicator
Is the inspection result normal? YES >> INSPECTION END.
NO >> GO TO 11.
11.PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
>> GO TO 12.
12.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Perform EC-139, "Work Procedure".
>> GO TO 13.
13.PERFORM IDLE AIR VOLUME LEARNING
Perform EC-140, "Work Procedure".
Is Idle Air Volume Learning carried out successfully? YES >> GO TO 14.
NO >> Follow the instruction of Idle Air Volume Learning. Then GO TO 4.
14.CHECK TARGET IDLE SPEED AGAIN
For procedure, refer to EC-479, "Inspection".
For specification, refer to EC-486, "Idle Speed".
Is the inspection result normal? YES >> GO TO 15.
NO >> GO TO 17.
15.CHECK IGNITION TIMING AGAIN
For procedure, refer to EC-480, "Inspection".
For specification, refer to EC-486, "Ignition Timing".
1 : Timing indicator
Is the inspection result normal? YES >> INSPECTION END.
NO >> GO TO 16.
16.CHECK TIMING CHAIN INSTALLATION
Check timing chain installation. Refer to EM-58, "Inspection".
Is the inspection result normal? YES >> GO TO 17.
NO >> Repair the timing chain installation. Then GO TO 4.
17.DETECT MALFUNCTIONING PART
Check the following.
Is the inspection result normal? YES >> GO TO 18.
NO >> Repair or replace. Then GO TO 4
18.CHECK ECM FUNCTION
>> GO TO 4.
Precaution
Precaution for supplemental restraint system (srs) "air bag" and "seat
belt pre-tensioner"
The supplemental restraint system such as “air bag” and “seat belt pre-tensioner”,
used along
with a front seat belt, helps to reduce the risk or severity of injur ...
P0744 Torque converter
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
P0744
TORQUE CONVERTER
(Torque converter clutch circuit
intermittent)
The torque converter slip speed is at or above
a set value (40 ...
Wiring diagram
Sport mode system
Wiring diagram
...