DTC Description
DTC DETECTION LOGIC
DTC | CONSULT screen terms (Trouble diagnosis content) | DTC detection condition |
P0740 | TORQUE CONVERTER (Torque Converter Clutch Circuit/Open) | When all of the following conditions are satisfied and this state is
maintained
for 5 seconds:
|
POSSIBLE CAUSE
FAIL-SAFE
DTC CONFIRMATION PROCEDURE
CAUTION: Be careful of the driving speed.
1.PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.
>> GO TO 2.
2.PREPARATION BEFORE OPERATION
With CONSULT
FLUID TEMP : 20°C (68°F) or more
With GST
NOTE: When the ambient temperature is 20°C (68°F), the CVT fluid usually increases to 50 to 80°C (122 to 176°F) with driving in an urban area for approximately 10 minutes.
Is the CVT fluid 20°C (68°F) or more? YES >> GO TO 3.
NO >> 1. Warm the transaxle.
2. GO TO 3.
3.CHECK DTC DETECTION
Selector lever : “D” position
Vehicle speed : 40 km/h (25 MPH) or more
Is “P0740” detected? YES >> Go to TM-132, "Diagnosis Procedure".
NO-1 >> To check malfunction symptom before repair: Refer to GI-41, "Intermittent Incident".
NO-2 >> Confirmation after repair: INSPECTION END
Diagnosis Procedure
1.CHECK CIRCUIT BETWEEN TCM AND CVT UNIT
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace malfunctioning parts.
2.CHECK CIRCUIT BETWEEN CVT UNIT AND GROUND
Check resistance between CVT unit harness connector terminal and ground.
Is the inspection result normal? YES >> INSPECTION END
NO >> There is malfunction of torque converter clutch solenoid valve. Replace transaxle assembly. Refer to TM-220, "Removal and Installation".
Periodic maintenance
CVT FLUID
Inspection
FLUID LEAKAGE
Check transaxle surrounding area (oil seal and plug etc.)for fluid
leakage.
If anything is found, repair or replace damaged parts and adjust
CVT fluid level. Refer to TM-192, "Adjustment".
Replacement
Recommended fluid and ...
ECU diagnosis information
AROUND VIEW MONITOR CONTROL UNIT
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
DTC Index
DISTANCE SENSOR
Reference Value
VALUES ON THE DIAGNOSIS TOOL
NOTE:
The following table includes information (items) inapplicable to this vehicle ...
Vehicle recovery (freeing a stuck vehicle)
Pulling a stuck vehicle
WARNINGTo avoid vehicle damage, serious personal
injury or death when recovering a stuck
vehicle:
Contact a professional towing service
to recover the vehicle if you have any
questions regarding the recovery
procedure.
Attach ...