Mazda MX-6 1998, Руководство по ремонту

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TROUBLESHOOTING [GF4A-EL]
22
NO ENGINE BRAKING IN 1 RANGE AND 2 RANGE (SECOND GEAR)
TROUBLESHOOTING HINTS
0 Clutch slippage, burned (Coasting clutch, low and reverse brake)
• Line pressure low
• Malfunction of vehicle speedometer sensor
• Malfunction of input/turbine speed sensor
• Malfunction of sensor ground
• Malfunction of shift solenoid C (Sticking)
• Malfunction of control valve body system (Poor operation, sticking)
STEP INSPECTION ACTION
1
Connect NGS tester to data link connector.
Select TR PID. Turn the ignition switch ON.
Verify TR PID reading is correct when
selecting range Yes Go to next step
No
• Check for transaxle range switch adjustment.
ttr
0 5 -1 7B TRANSAXLE RANGE SWITCH
ADJUSTMENT [GF4A-EL]
• Check for transaxle range switch. Readjust or replace if
necessary.
2 Do the following symptoms concurrently
occur?
• Engine flares up or slips during
accelerating
• Engine flares up or slips when shifting
Yes
Go to No.15 "ENGINE FLARES UP OR SLIPS WHEN
ACCELERATING VEHICLE”, No. 14 “ENGINE FLARES
UP OR SLIPS WHEN UPSHIFTING OR
DOWNSHIFTING”
No Go to next step
3
Check the voltage at the following terminals of
the powertrain control module
id
-
0 1 -40B POWERTRAIN CONTROL
MODULE (PCM) INSPECTION [KL]
• Shift solenoid C signal
• Input/turbine speed sensor signal
• Vehicle speedometer sensor signal
Is terminal voltage okay?
Yes Overhaul control valve body and repair or replace any
defective parts
ir y ATX workshop manual
If problem remains, overhaul transaxle and repair or
replace any defective parts
c r ATX workshop manual
No
Repair or replace any defective parts
23
TRANSAXLE OVERHEATS
TROUBLESHOOTING HINTS
The malfunction is restricted to hinderance of coolant at the oil cooler. In addition, overheating of the transaxle may be
caused by a malfunction of the transaxle fluid temperature sensor.
0 Line pressure low
• ATF level ow
• Malfunction of throttle position sensor
• Malfunction of pressure control solenoid valve (Short, open, poor operation)
© Oil cooler circuit malfunction (Foreign material mixed in with ATF)
© T F T sensor malfunction
@ Excessive amount of ATF
STEP INSPECTION
ACTION
1 Perform stall test
tr 0 5 -1 7B MECHANICAL SYSTEM TEST
[GF4A-EL], Stall Test
Is stall speed okay?
Yes Go to next step
No Repair or replace any defective parts
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
0 5 -0 1 B -3 7