Mazda MX-6 1998, Руководство по ремонту

Страница: 720 / 1282

TROUBLESHOOTING [LA4A-EL]
STEP
INSPECTION ACTION
Vehicle speed input
• Is the vehicle speedometer sensor drive
gear damaged?
Yes Service as required
No Go to next step
Control valve body
• Do any of the following problems exist?
• Bolts are not torqued to specification
• Gaskets are damaged
• 3 -2 timing valve, 2 -4 accumulator valve,
servo release shuttle valve, 3 -2 control
valve are stuck, damaged, or
misassembled
• Solenoid screen is blocked
• Separator plates are damaged, blocked
• Pressure tap plate/gasket are damaged
• Shift solenoid No.1 (SS1), Shift solenoid
No.2 (SS2), 3 -2 timing/coasting clutch
solenoid (3-2T/CCS) solenoid malfunction
are stuck, or damaged
Yes Service as required
No Refer to the appropriate shift for further diagnosis
Shift No shift Soft/slip Harsh
1-2 13 16
22
2 -3
14 17 23
3 -4 15 18 24
4 -3 — 19 25
3 -2 — 20 26
2-1 — 21 —
W 6 U 5 0 1 W A F
9
SHIFT CONCERN: FEEL — SOFT/SLIPPING
[TROUBLESHOOTING HINTS]
• ATF • Control valve body
• Powertrain control system • Oil pump
• Internal or external shift linkages • Oil filter and seal component
• Improper pressure
STEP INSPECTION
ACTION
1 ATF
• Are there any problems with the following?
• Level
• Condition
a- 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
• Electrical pressure control (EPC) solenoid
• Transaxle fluid temperature (TFT) sensor
• Throttle position (TP) sensor
• Mass air flow (MAF) sensor
d
- 0 5 -1 7A ELECTRICAL SYSTEM
COMPONENT [LA4A-EL]
Yes
Run OBD Tests, Perform Pinpoint Tests “BA, BB, BC, BD,
BE, BF and E”
c r 0 5 -0 1 A AUTOMATIC TRANSALXE ON-BOARD
DIAGNOSIS [LA4A-EL], Pinpoint Test
No Go to next step
3 Internal external shift linkage
• Do any of the following problems exist?
• Damaged
• Misadjusted
• Misassembled
v
0 5 -1 8 SELECTOR LEVER
REMOVAL7INSTALLATION
Yes Service as required
No Go to next step
0 5 -0 1 A -4 5