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Performing self-diagnosis
Fault table
Notes:
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◆ In the following table all possible faults which can be recognised by the Digi Swing control unit -J327- and displayed on V.A.G 1551 with printer switched on, when interrogating contents of fault memory, are listed according to fault code.
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◆ If faults occur only occasionally or if the fault memory was not erased after rectifying the faults, these faults after a certain time are displayed as "sporadic faults".
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◆ If faulty components are found, test the wiring to the components additionally for short-circuits and open circuits according to the current flow diagram.
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◆ For the fault type "open circuit" first check connectors for contact corrosion or ingress of water, renew if necessary.
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◆ The fault code is printed out in the "rapid data transfer" mode only when the printer of V.A.G 1551 is switched on.
Example: Fault code (5-position) 65535
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◆ For some faults only the fault code is shown on the print-out and the V.A.G 1551 display. Components checked are listed in the table.
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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No fault recognised!
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If after successful repairs "No fault recognised!" appears, the self-diagnosis is concluded.
If the clutch electronics do not function fault-free despite self-diagnosis, repairs must be carried out.
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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00297
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Open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Gearbox speed sender
-G38-
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
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Gearbox speed sender -G38- defective
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- Can be checked in measuring value block
; display group number 01
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No signal
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- Replace gearbox speed sender -G38-
=>Electronic components, Page 01-5
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00513
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Engine speed sender -G28-
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Engine speed sender -G28- defective
Engine starts but dies immediately
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder", Golf 1992 ▸, Vento 1992 ▸
Can be checked in measuring value block => Page 01-64
; display group number 01
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No signal
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- Replace engine speed sender -G28-
=>Electronic components, Page 01-5
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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00522
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Coolant temperature sender -G62-
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Coolant temperature sender -G62- defective
Engine does not automatically switch off in Ecomatic operation
Engine is switched off before reaching operating temperature
Ecomatic automatic override warning lamp -K111- permanently on
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Can be checked in measuring value block=> Page 01-5
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00526
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Brake light switch -F-
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Brake light switch -F- defective
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Can be checked in measuring value block => Page 01-64
; display group number 04
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Open circuit/short to positive
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- Replace brake light switch -F-
=>Electronic components, Page 01-5
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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01052
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Load signal potentiometer -G157-
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Engaging procedure delayed and harsh
Load signal potentiometer -G157- incorrectly set, vehicle tends to creep
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Can be checked and adjusted in measuring value block => Page 01-64
; display group number 02
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Signal outside tolerance
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Load signal potentiometer -G157- defective
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- Replace load signal potentiometer
-G157-
=>Electronic components, Page 01-61
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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01066
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Wiring open circuit
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- Check wiring and connections according to current flow diagrams
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Speed signal from dash panel
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Speedometer sender -G22- defective
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Speed signal is checked via dash panel insert by self-diagnosis
=> Page 01-64
; display group number 07
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Implausible signal
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Speedometer sender -G22- or dash panel insert defective
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- Replace speedometer sender -G22- or dash panel insert
=>Electronic components, Page 01-5
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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01070
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Starter relay -J53-
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Starter relay -J53- defective
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Can be checked in measuring value block => Page 01-5
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01071
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Clutch movement sender
-G162-
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Clutch movement sender -G162- defective
Clutch operation delayed and harsh
Clutch movement sender -G162- incorrectly set
Vehicle cannot be driven
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Can be checked and adjusted in measuring value block => Page 01-61
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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01072
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Clutch positioner vacuum valve -N183-
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Clutch positioner vacuum valve
-N183- defective
Vehicle cannot be driven
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Carry out test step 51)
Replace clutch positioner
=>Electronic components, Page 01-5
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1)
=> page 01-88
, Electrical test
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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01073
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Wiring open circuit
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- Check wiring and connections according to current flow diagram
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Clutch vacuum system
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Clutch vacuum pipes or vacuum reservoir leaking
Clutch system vacuum switch
-F210- defective
Clutch positioner vent valve -N184- defective
Exhauster -V22- defective
Exhauster relay -J318- defective
Priority switching valve -N185- defective
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Can be checked in measuring value block => Page 01-61
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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01074
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Clutch positioner vent valve -N184-
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Clutch positioner vent valve -N184- defective
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
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Open circuit/short to positive1)
Open circuit/short to earth1)
Resistance value too low1)
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Clutch operation delayed and harsh
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- Can be checked in measuring value block => Page 01-61
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1)
One of these displays appears in addition to relevant component.
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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01075
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Exhauster relay -J318-
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Exhauster relay -J318- defective
Exhauster -V22- is not activated, vacuum for the clutch system is not built up
Engine is not switched off in Ecomatic operation
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Activation can be checked in measuring value block => Page 01-5
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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01077
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Wiring open circuit
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- Check wiring and connectionss according to current flow diagram, repair if necessary
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Brake servo vacuum switch -F190-
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Engine is not switched off in Ecomatic operation
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Can be checked in measuring value block => Page 01-64
; display group number 04
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Open circuit/short to positive
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Brake servo vacuum switch -F190- defective
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- Replace brake servo vacuum switch -F190-
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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01078
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Gearshift switch -F191-
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Gearshift switch -F191- defective
Gearchange difficult with Ecomatic switched off
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Can be checked in measuring value block => Page 01-5
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01079
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Steering hydraulics relay -J320-
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Steering hydraulics relay -J320- defective
Steering hydraulic pump -V119- is not activated
Steering heavy
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Activation can be checked in measuring value block => Page 01-5
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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01081
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Priority switching valve
-N185-
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Priority switching valve -N185- defective
Engine is not switched off in Ecomatic operation
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Replace priority switching valve -N185-
=>Electronic components, Page 01-5
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01151
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Diesel engine inhibitor switch -F207-
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Diesel engine inhibitor switch -F207- defective
Not possible to start engine by depressing accelerator pedal
Bonnet is not closed
Inhibitor switch bracket bent
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Can be checked in measuring value bock => Page 01-64
; display group number 04
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Short to earth
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- Replace Diesel engine inhibitor switch -F207-
=>Electronic components, Page 01-5
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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01152
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Gear monitoring switch -F209-
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Gear monitoring switch -F209- defective
Synchronization makes noises when changing gear
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Can be checked in measuring value block => Page 01-5
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01153
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Ecomatic switch -E163-
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Ecomatic switch -E163- defective
Ecomatic warning lamp -K110- permanently on
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Can be checked in measuring value block => Page 01-64
; display group number 04
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Short to earth
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- Replace Ecomatic switch -E163-
=>Electronic components, Page 01-5
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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01154
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Clutch system vacuum switch -F210-
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Clutch system vacuum switch
-F210- defective
Engine is not switched off in Ecomatic operation
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Can be checked in measuring value block => Page 01-64
; display group number 04
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Open circuit/short to positive
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- Replace clutch system vacuum switch -F210-
=>Electronic components, Page 01-5
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1)
Does not need to be considered
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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01156
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Gear recognition switch -F208-
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Gear recognition switch -F208- defective
No drive connection engine/gearbox
The fault: Gear recognition switch -F208- can also be indicated if a gear is not fully engaged
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Can be checked in measuring value block => Page 01-64
; display group number 01
Fully engage gear
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Implausible signal
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- Replace gear recognition switch -F208-
=>Electronic components, Page 01-5
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01237
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Wiring open circuit
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- Check wiring and connections according to current flow diagram, repair if necessary
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Fuel cut-off valve -N109-
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Fuel cut-off valve -N109- defective
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=> "Current flow diagrams, Electrical fault finding and Fitting locations" Binder, Golf 1992 ▸, Vento 1992 ▸
Activation can be checked in measuring value block => Page 01-5
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Output on printer
V.A.G 1551
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Possible cause of fault
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Rectifying fault
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65535
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Electrical interference from outside sources of interference or poor earth connections
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- Replace control unit -J327-
=>Electronic components, Page 01-5
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Control unit defective
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Control unit -J327- defective
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- Bring system into basic setting
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Notes:
The control unit -J217- should not be renewed
until the possible cause of the fault has been determined and the following faults have been rectified:
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◆ mechanical faults
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◆ all affected electrical components and cable connections.
Should the control unit be replaced => Page 01-61
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