Mazda 6 2002, Workshop Manual

Page: 474 / 1248

ON-BOARD DIAGNOSTIC
K–63
K
DTC P0711
A6E567001030W09
Diagnostic procedure
DTC P0711 Transaxle fluid temperature (TFT) sensor circuit range/performance (stuck)
DETECTION
CONDITION
•
When all conditions below are satisfied.
— When
180 seconds have passed after engine is started, vehicle is driven for 150 seconds or more at
vehicle speed between 25 – 59 km/h {15 – 36 mph} , then 60 km/h {37 mph} or more for 100 seconds
or more .
— P0712, P0713 not output.
— Variation in ATF voltage
below 0.06 V .
Diagnostic support note:
•
This is a continuous monitor (CCM).
•
MIL illuminates if PCM detects the above malfunction condition in two consecutive drive cycles or in one
drive cycle while the DTC for the same malfunction has been stored in the PCM.
•
PENDING CODE is available if PCM detects the above malfunction condition during first drive cycle.
•
FREEZE FRAME DATA is available.
•
HOLD indicator light does not flash.
•
DTC is stored in the PCM memory.
POSSIBLE
CAUSE
•
TFT sensor malfunction
•
Connector corrosion
•
PCM malfunction
STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA HAS BEEN
RECORDED
•
Has FREEZE FRAME PID DATA been
recorded?
Yes Go to next step.
No Record FREEZE FRAME PID DATA on repair order, then
go to next step.
2 VERIFY RELATED REPAIR INFORMATION
AVAILABILITY
•
Check for related Service Bulletins availability.
•
Is any related repair information available?
Yes Perform repair or diagnosis according to available repair
information.
•
If vehicle is not repaired, go to next step.
No Go to next step.
3 INSPECT TFT SENSOR VOLTAGE
•
Turn ignition key to OFF.
•
Connect breakout box to PCM.
•
Turn ignition key to ON (engine OFF).
•
Measure the voltage at PCM terminal 3D.
•
Record terminal 3D voltage.
•
Start engine.
•
Drive vehicle at 60 km/h {37 mph} or above
for 430 seconds or more .
•
Record terminal 3D voltage again.
•
Is variation in voltage 0.06V or above ?
Yes Go to Step 5.
No Go to next step.
4 INSPECT TERMINAL CONDITION
•
Turn ignition key to OFF.
•
Disconnect ATX connector.
•
Inspect terminals for corrosion.
•
Are terminals okay?
Yes Go to next step.
No Repair or replace terminals, then go to next step.
5 VERIFY TROUBLESHOOTING OF DTC P0711
COMPLETED
•
Make sure to reconnect all disconnected
connectors.
•
Clear DTC from memory using WDS or
equivalent.
•
Decrease ATF temperature to 20
°
C {68
°
F} or
below .
•
Start engine and wait for 180 seconds or
more .
•
Drive vehicle at a vehicle speed between 25 –
59 km/h {15 – 36 mph} for 150 seconds or
more .
•
Drive vehicle at vehicle speed 60 km/h {37
mph} or above for 100 seconds or more .
•
Is pending code present?
Yes Replace PCM, then go to next step.
(See F–43 PCM REMOVAL/INSTALLATION .)
No Go to next step.
6 VERIFY AFTER REPAIR PROCEDURE
•
Perform “After Repair Procedure”.
(See K–52 AFTER REPAIR PROCEDURE .)
•
Are any DTCs present?
Yes Go to applicable DTC inspection.
No Troubleshooting completed.