Volkswagen Golf 1998, Service Manual

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00638 Wiring open or short circuit - If additionally the faults:
01312 or 01314
are displayed, these must be
rectified first
Check wiring and connectors
according to current flow dia‐
gram, including Data bus wiring
Engine/gearbox electrical connection 2
No signal
No engine/gearbox control
unit connection
Throttle valve signal not
transferred to gearbox con‐
trol unit
- Read measured value block
=>Page 27
V.A.G 1551 print-out
(=> Page 21 )
Possible cause of fault Rectifying fault
00641 Gearbox becomes too hot, max. 148°C. If
ATF temperature is too high, gearbox
shifts down into next lower gear.
- Check ATF level
=> Repair group 37; Checking and topping
up ATF level 28 ; display group number
005; read off ATF temperature
ATF temperature Trailer load of vehicle too high - Observe fault finding programme No. 14
=> Fault finding binder; Power transmis‐
sion; No. 14
Signal too large1)
No fault recognised1)
ATF level not in order
Gearbox oil temperature sender (ATF)
defective
- Replace conductor strip
=> Removing and installing conductor strip
=>Page 9
1) One of these displays appears in addition to relevant component.
V.A.G 1551 print-out
(=> Page 21 )
Possible cause of fault Rectifying fault
00652
Gear monitoring
Electrical/hydraulic fault
Clutch or valve chest defective
- Read measured value block
=>Page 28 ; display group
number 004 and establish by
driving in which gear the fault
occurs
Implausible signal
00660
Open circuit in wiring - Check wiring and connections
according to CFD
Kickdown switch/throttle valve potentiome‐
ter
Throttle valve potentiometer -
G69- defective
- If additionally the faults:
01312 or 01314
are displayed, these must be
rectified first
Perform repairs as described in
"Rectifying fault" 00518 -Throttle
valve potentiometer -G69-
Implausible signal Kickdown switch -F8- defec‐
tive
- Read measured value block
=>page 28 ; display group
number 001
V.A.G 1551 print-out
(=> Page 21 )
Possible cause of fault Rectifying fault
01192
Torque converter lock-up clutch
mechanical fault
Torque converter lock-up clutch
slipping
Valve body defective
- Check torque converter lock-up
clutch slip
Read measured value block =>Page
28 ; display group number 007
01236
Golf 1998 ➤
Automatic gearbox 01M self-diagnosis - Edition 10.1997
3.5 - Fault table
25
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