TROUBLESHOOTING [LA4A-EL]
27
TORQUE CONVERTER CLUTCH: NO APPLY
[TROUBLESHOOTING HINTS]
• Powertrain control system
• Torque converter component
• Control valve body
STEP
INSPECTION
ACTION
1
Powertrain control system
• Are there any problems with the following?
• Electrical input/output
• Vehicle wiring harness
• PCM
• Transaxle fluid temperature (TFT) sensor
• TCC solenoid
• Brake switch
• Turbine shaft speed (TSS) sensor
t r 0 5 -1 7A ELECTRICAL SYSTEM
COMPONENT [LA4A-EL]
Yes
Run OBD test
Perform pinpoint tests "BA, BB, BC, BD, BE, BF, C, and F”
i
t
0 5 -0 1 A AUTOMATIC TRANSAXLE ON-BOARD
DIAGNOSIS [LA4A-EL], Pinpoint Test
No
Go to next step
2
Control valve body
• Do any of the following problems exist?
• Bolts are not torqued to specification
• Gaskets are damaged
• Solenoid pressure regulator valve, bypass
clutch control valve and plunger, converter
regulator valve are stuck, damaged, or
misassembled
• TCC solenoid malfunction, or being stuck
• Hydraulic passages are damaged
• Separator plates are damaged, or blocked
Yes
Service as required
No
Go to next step
3
Torque converter component
• Do any of the following problems exist?
• Leakage
• Internal damage
Yes
Perform torque converter test
t r 0 5 -1 7A MECHANICAL SYSTEM TEST [LA4A-EL],
Torque Converter Clutch Operation Test
No
Replace the torque converter component
28
TORQUE CONVERTER CLUTCH; ALWAYS APPLIED/MAY STALL ENGINE
[TROUBLESHOOTING HINTS]
• Powertrain control system
• Torque converter component
• Control valve body
• Transaxle case
• Oil pump
STEP
INSPECTION
ACTION
1
Powertrain control system
• Are there any problems with the following?
• Electrical input/output
• Vehicle wiring harness
• PCM
• Transaxle fluid temperature (TFT) sensor
• TCC solenoid
t y 0 5 -1 7A ELECTRICAL SYSTEM
COMPONENT [LA4A-EL]
Yes
Run OBD test
Perform pinpoint tests “BA, BB, BC, BD, BE, BF and C”
e r 0 5 -0 1 A AUTOMATIC TRANSAXLE ON-BOARD
DIAGNOSIS [LA4A-EL], Pinpoint Test
No
Go to next step
2
Control valve body
• Do any of the following problems exist?
• Bolts are not torqued to specification
• Gaskets are damaged
• Bypass clutch control valve and plunger
(always applied), converter regulator valve
are stuck, damaged, or misassembled
• Separator plates are damaged, or blocked
Note
• Converter is not applied in first gear or
reverse gear
• TCC solenoid malfunction
• Pressure tap plate/gasket are damaged
• Hydraulic Passages are damaged
Yes
Service as required
No
Go to next step
0 5 -0 1 A -6 4
Содержание MX-6 1998
Страница 1: ......
Страница 501: ...STARTING SYSTEM 3 If not as specified replace the starter interlock switch 01 19 3...
Страница 803: ...MANUAL TRANSAXLE W 6 U 5 1 5 W A C 05 15 7...
Страница 934: ...CONTROL SYSTEM CONTROL SYSTEM STRUCTURAL VIEW W6U740WA0 07 40 2...
Страница 983: ...SERVICE TOOLS 08 60 SERVICE TOOLS 08 RESTRAINTS S S T 08 60 1 08 RESTRAINTS SST 08 60 1...
Страница 1005: ...TROUBLESHOOTING POWER DOOR LOCK SYSTEM From previous page Go to next page W 6 U 9 0 1 W H 3 09 01E 7...
Страница 1168: ...SEATS 4A 4 If not as specified replace the power seat switch 2A 2B t 4B 3A 1C 1A 1F W6U913WA9 09 13 7...