Mazda MX-6 1998, Workshop Manual

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TROUBLESHOOTING [GF4A-EL]
5 NO CREEP AT ALL
TROUBLESHOOTING HINTS
If the vehicle creeps only in 1 range, the fail-safe is operating. Otherwise, either the transaxle is stuck in third gear position, or
there is clutch circuit slippage because the 3 -4 clutch is stuck.
© Clutch burned
• Line pressure low
• Malfunction of throttle position sensor
• Malfunction of vehicle speedometer sensor
• Malfunction of input/turbine speed sensor
• Malfunction of sensor ground
• Malfunction of shift solenoid A (Sticking)
• Malfunction of shift solenoid B (Sticking)
• Malfunction of shift solenoid C (Sticking)
• Malfunction of prssure control solenoid valve (Sticking)
• Malfunction of body ground (Sticking)
• Malfunction of control valve body system
© T ra n s a x le fixed in 3GR (Operation of fail-safe function)
• Short or open circuit in wiring
• Poor connection of connector
• The electronic parts of output and input system is malfunction
© The engine torque is not start
• The torque converter is malfunction
STEP INSPECTION
ACTION
1
Does vehicle creep in any range/position? Yes Go to next step
No
Inspect or adjust selector lever
c r 0 5-18 SELECTOR LEVER INSPECTION,
ADJUSTMENT
2
Check the voltage at the following terminal of
the powertrain control module
c r 0 1 -40B POWERTRAIN CONTROL
MODULE (PCM) INSPECTION [KL]
• Pressure control solenoid signal
Is terminal voltage okay?
Yes Go to next step
No Repair or replace any defective parts
3 Check duty of pressure control solenoid
e r 0 5 -1 7B SOLENOID VALVES
INSPECTION [GF4A-EL], Pressure
Control Solenoid Output Duty Inspection
Is duty okay?
Yes Overhaul control valve body and repair or replace any
defective parts
tr ATX workshop manual
If problem remains, overhaul transaxle and repair or
replace any defective parts
tr ATX workshop manual
No
Check the voltage at the following terminals of the
powertrain control module
w 01-40B POWERTRAIN CONTROL MODULE (PCM)
INSPECTION [KL]
• Throttle position sensor signal
• Ground (Engine, body)
Repair or replace any defective parts
0 5 -0 1 B -2 7