TROUBLESHOOTING [LA4A-EL]
15
SHIFT CONCERNS: NO 3 -4 SHIFT
[TROUBLESHOOTING HINTS]
• Powertrain control system
• Coasting clutch component
• Improper pressures
• Forward OWC component
• Control valve body
• Transaxle case
• 2/4 band and servo component
STEP
INSPECTION
ACTION
1
Powertrain control system
• Do any of the following problems exist?
• Electrical input/output
• Vehicle wiring harness
• PCM
• Shift solenoid No. 1 (SS1), Shift solenoid
No.2 (SS2)
• Transaxle range (TR) switch
cr
0 5 -1 7A ELECTRICAL SYSTEM
COMPONENT [LA4A-EL]
Yes
Run OBD test
Perform pinpoint tests “A and D”
ter
0 5 -0 1 A AUTOMATIC TRANSAXLE ON-BOARD
DIAGNOSIS [LA4A-EL], Pinpoint Test
No
Go to next step
2
Improper pressure
• Do any of the following problems exist?
• High line pressure
• Low line pressure
o - 0 5 -17A MECHANICAL SYSTEM TEST
[LA4A-EL], Line Pressure Test
Yes
Go to next step
No
Go to step 4
3
Control valve body
• Do any of the following problems exist?
• Bolts are not torqued to specification
• Gasket leaks
• 3 -4 Shift Valve, main regulator valve are
stuck, damaged, or misassembled
• SS1, SS2 malfunction (Also no first gear)
• Separator plates are damaged, or orifice is
blocked
Yes
Service as required
No
Go to next step
4
2/4 band and servo component
Note
• Also no second gear
• Do any of the following problems exist?
• 2/4 band is damaged, worn
• Servo rod or rod bore is damaged
• Servo piston or cover is damaged, or
leaking
• Springs are damaged
Yes
Service as required
No
Go to next step
5
Coasting clutch component
• Do any of the following problems exist?
• Seals are damaged, or missing
• Piston is damaged
• Friction is severely damaged, worn
• Check ball is severely damaged
Yes
Service as required
No
Go to next step
6
Forward OWC component
• Is there damage?
Yes
Service as required
No
Go to next step
7
Transaxie case
Note
• Also no second gear
• Do any of the following problems exist?
• Band anchor is damaged
• Leakage in the servo apply and servo
release
Yes
Service as required
No
Go to next step
0 5 -0 1 A -5 2
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...