5 Series E39 520i (M52) SAL
24 93 ...
Troubleshooting on shift unit A5S 310Z
Condition
Cause
Remedy
Position R:
No power transmission in reverse
a)
Signal wire to solenoid 3
grounded
b)
Valve piston for reverse gear
lock not in parked position
a)
Repair/replace wire harness,
refer to 24 35 501
b)
Replace valve body, refer to
24 30 006
Hard engaging jolt in position R
a)
Damper of brake D
malfunctions
b)
Modulation pressure too high
c)
Wire to pressure regulator
faulty
d)
Pressure regulator faulty
a)
Replace valve body, refer to
24 30 006
b)
Replace pressure regulator,
refer to 24 34 861
c)
Repair/replace wire harness,
refer to 24 35 501
d)
Replace pressure regulator,
refer to 24 34 861
Position D:
No power transmission forwards
a)
Damper A blocked
b)
Signal wire to solenoid 5
grounded
a)
Replace valve body, refer to
24 30 006
b)
Repair/replace wire harness,
refer to 24 35 501
Hard engaging jolt in position D
a)
Damper of clutch A
malfunctions
b)
Wire to pressure regulator
faulty
c)
Pressure regulator faulty
d)
Modulation valve malfunctions
a)
Replace valve body, refer to
24 30 006
b)
Repair/replace wire harness,
refer to 24 35 501
c)
Replace pressure regulator,
refer to 24 34 861
d)
Replace valve body, refer to
24 30 006
Hard shift jolts in general
a)
Modulation valve malfunctions
b)
Wire to pressure regulator
faulty
c)
Pressure regulator faulty
a)
Replace valve body, refer to
24 30 006
b)
Repair/replace wire harness,
refer to 24 34 501
c)
Replace pressure regulator,
refer to 24 34 861
Condition
Cause
Remedy
Position D:
No shift 1-2
a)
Wire to output speed sensor
faulty
RA Troubleshooting on shift unit A5S 310Z
BMW AG - TIS
30.01.2013 08:51
Issue status (12/2007) Valid only until next DVD is issued
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