Mazda 6 2002, Руководство по ремонту

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K–76
ON-BOARD DIAGNOSTIC
End Of Sie
5 INSPECT LINE PRESSURE
•
Start engine.
•
Measure line pressures.
Specification
Idle: 330—470 kPa {3.4—4.7 kgf/cm
2
, 49—66
psi}
Stall: 1,160—1,320 kPa {11.9—13.4 kgf/cm
2
,
170—190 psi}
•
Is line pressure within specification?
(See K–6 Line Pressure Test .)
Yes Go to next step.
No All ranges: Replace oil pump, then go to Step 8.
Any ranges: Replace control valve body, then go to Step 8.
(See
K–34 CONTROL VALVE BODY REMOVAL , K–35
CONTROL VALVE BODY INSTALLATION .)
6 INSPECT STALL SPEED
•
Measure stall speed in D range.
(See
K–7 Stall Test .)
Specification
2,000—2,600 rpm
•
Is stall speed within specification?
Yes Go to next step.
No Replace automatic transaxle, then go to Step 8.
(See
K–29 AUTOMATIC TRANSAXLE REMOVAL/
INSTALLATION .)
7 INSPECT FREQUENCY OF INPUT/TURBINE
SPEED SENSOR WHEN DRIVING VEHICLE
•
Turn ignition key to OFF.
•
Connect WDS or equivalent.
•
Start engine.
•
Measure frequency of input/turbine speed
sensor while driving vehicle under the following
conditions:
— Vehicle speed (VSS PID):
80 km/h {49
mph}
— Drive in D range, 4th gear
— Throttle opening angle (TP PID):
about 25%
•
Was frequency of input/turbine speed sensor at
approx. 1,200 Hz ?
Yes Go to next step.
No Replace control valve body, then go to next step.
(See
K–34 CONTROL VALVE BODY REMOVAL , K–35
CONTROL VALVE BODY INSTALLATION .)
8 VERIFY REPAIR OF DTC P0734
•
Make sure to reconnect all disconnected
connectors.
•
Clear DTC using WDS or equivalent.
•
Start engine.
•
Warm up transaxle.
•
Drive vehicle under the following conditions for
more than 5 seconds .
— ATF temperature: 20
°
C {68
°
F} or above
— Drive in D range, 4th gear
— Throttle opening angle (TP PID):
0%
— Vehicle speed (VSS PID): 50 km/h {31
mph} or above
•
Are any DTCs present?
Yes Replace PCM, then go to next step.
No Go to next step.
9 VERIFY AFTER REPAIR PROCEDURE
•
Are any DTCs present?
•
Perform “After Repair Procedure”.
(See
K–52 AFTER REPAIR PROCEDURE .)
Yes Go to applicable DTC inspection.
No Troubleshooting completed.
STEP INSPECTION ACTION