Mazda MX-6 1998, Руководство по ремонту

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TROUBLESHOOTING [LA4A-EL]
32
OTHER: TRANSAXLE OVERHEATING
[TROUBLESHOOTING HINTS]
• ATF
• Oil pump
• Powertrain control system • Chain pan
• Oil cooler • Thermostatic oil level control valve
• Control valve body • Transaxle case/converter housing/starter support
• Torque converter clutch
STEP INSPECTION ACTION
1
ATF
• Are there any problems with the following?
• Level
• Condition
c r 0 5 -1 7A AUTOMATIC TRANSAXLE
FLUID (ATF) INSPECTION [LA4A-EL]
Yes Service as required
No Go to next step
2
Powertrain control system
• Are there any problems with the following?
• Electrical input/output
• Vehicle wiring harness
• PCM
• TCC solenoid
• Transaxle fluid temperature (TFT) sensor
• Turbine shaft speed (TSS) sensor
zr 0 5 -1 7A ELECTRICAL SYSTEM
COMPONENT [LA4A-EL]
Yes Run OBD Tests
Perform pinpoint tests “BA, BB, BC, BD, BE, BF, C and F”
tr 0 5 -0 1 A AUTOMATIC TRANSAXLE ON-BOARD
DIAGNOSIS [LA4A-EL], Pinpoint Test
No Go to next step
3
Oil cooler
• Do any of the following problems exist?
• Damaged
• Blocked
• Reversed
• Restricted
• Leaking
• Misassembled
c r 0 5 -17A OIL COOLER
REMOVAL/INSTALLATION [LA4A-EL]
Yes
Service as required
No Go to next step
4 Control valve body
• Do any of the following problems exist?
• Bolts are not torqued to specification
• Main regulator valve, bypass clutch control
valve, converter regulator valve are stuck,
damaged, or misassembled
• Hydraulic passages are damaged
• Separator plates/gaskets are damaged
• TCC solenoid malfunction (OFF)
Yes Service as required
No Go to next step
5
Torque converter clutch
• Does the torque converter clutch apply?
Yes Go to next step
No
Perform symptom troubleshooting No.27
c r 0 5 -0 1 A AUTOMATIC TRANSAXLE SYMPTOM
TROUBLESHOOTING [LA4A-EL]
6 Oil pump
• Do any of the following problems exist?
• Gasket is damaged
• Rear lube passage is blocked Yes Service as required
No Go to next step
7 Chain pan
• Is It missing?
Yes Install the chain pan
No Go to next step
8
Therm ostatic oil level control valve
• Do any of the following problems exist?
• Stuck open or damaged
• Gasket is damaged, or missing
• Bolt or bracket is damaged, missing, or
improperly installed
Yes Service as required
No Go to next step
9
Transaxle case/converter housing/stater
s u p p o r t
• Do any of the following problems exist?
• Front lube passage is blocked or restricted
• TC, Cl, CT passages are blocked, or
restricted
Yes Service as required
No The problem is not in the automatic transaxle
Check cooling system
0 5 -0 1 A -6 7