DTC P0741 TORQUE CONVERTER CLUTCH CIRCUIT PERFORMANCE OR STUCK OFF
|
|
DTC P0741 TORQUE CONVERTER CLUTCH CIRCUIT
PERFORMANCE OR STUCK OFF
|
Judge NG when the engine speed is different
from the turbine speed for some reasons at AT lock-up.
|
Secondary
Parameters
|
Enable
Conditions
|
In 4th
gear position, duty ratio for duty solenoid valve
|
≥ 90%
|
Always perform the diagnosis continuously.
Judgment
Value
|
Malfunction
Criteria
|
Threshold
Value
|
Engine
speed ≥ (output shaft speed × 4th gear ratio × 9/8)
|
|
Time Needed for Diagnosis:
10.2
seconds
Malfunction Indicator
Light Illumination:
Illuminates when malfunction occurs in
2 continuous driving cycles.
|
•
|
When the OK idling cycle was completed 40 times
in a row
|
|
•
|
When “Clear Memory” was
performed
|
|
MALFUNCTION
INDICATOR LIGHT CLEAR CONDITION
|
|
•
|
When the OK driving cycle was completed 3 times
in a row
|
|
•
|
When “Clear Memory” was
performed
|
Not allowed to lock up.
|
ECM OPERATION
AT DTC SETTING
|
Memorize the freeze frame data. (For test
mode $02)
