Mazda MX-6 1998, Workshop Manual, Page: 718 / 1282

TROUBLESHOOTING [LA4A-EL]
STEP INSPECTION
ACTION
9
Torque converter component
• Do any of the following problems exist?
• Oil pump shaft Insert is damaged
• Studs are broken, or damaged
• Splines are damaged
• Internal blades are damaged, or broken
Yes Service as required
No Go to step 3
10 Chain and sprocket component
• Do any of the following problems exist?
• Broken
• Damaged
Yes Service as required
No Go to next step
11 Park mechanism
• Are any of the parking pawl return spring
damaged, missing, or misassembled?
Yes Service as required
No Go to next step
12 Joint shaft
• Do any of the following problems exist?
• Broken
• Splines damaged
f t
0 5 -1 7A AUTOMATIC TRANSAXLE
REMOVAL/INSTALLATION [LA4A-EL]
Yes Service as required
No Go to next step
13 Final drive and differential component
• Do any of the following problems exist?
• Splines are damaged
• Gearset is damaged
Yes Service as required
No Go to next step
14 Planetary gearsets (differential)
• Are there any problems with the following?
• Gear Teeth
• Carriers
• Splines
Yes Service as required
No The problem is fixed
6 SOME OR ALL SHIFTS MISSING
[TROUBLESHOOTING HINTS]
• ATF
• Powertrain control system • Internal and external shift linkages
• Speed input
STEP INSPECTION ACTION
1 ATF
• Is there improper level?
f t
0 5 -1 7A AUTOMATIC TRANSAXLE
FLUID (ATF) INSPECTION [LA4A-EL],
ATF Level Inspection
Yes
Adjust fluid to proper level
No Go to next step
2 Powertrain control system
• Are there any problems with the following?
• Electrical input/output
• Vehicle wiring harness
• PCM
• Shift solenoids
• Transaxle range (TR) switch
• Throttle position (TP) sensor
• Vehicle speedometer sensor (VSS)
• O/D OFF switch
F T
0 5 -1 7A ELECTRICAL SYSTEM
COMPONENT [LA4A-EL]
Yes Run OBD test
Perform pinpoint tests “A and D"
F T
0 5 -0 1 A AUTOMATIC TRANSAXLE ON-BOARD
DIAGNOSIS [LA4A-EL], Pinpoint Test
No Go to next step
3
Internal and external shift linkages
• Do any of the following problems exist?
• Damaged
• Misadjusted
• Misassembled
f t
0 5 -1 8 SELECTOR LEVER
REMOVAL/INSTALLATION
Yes
Service as required
No
Go to next step
0 5 -0 1 A -4 3