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Fault memory
Fault code 00281 ... 00525
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00281
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Road speed sender
G68
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Implausible signal
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No signal from electronic speedometer (G21)1) or speedometer sender (G22)
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- Check speed signal
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Wiring open circuit
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- Locate and eliminate wiring open circuit using current flow diagram:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder
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No signal
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Speedometer does not indicate vehicle speed:
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Speedometer sender (G22) defective
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- Replace G22
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- Continue fault finding according to fault finding programme for MFI:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder
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1)
Checking the road speed signal is carried out when driving the vehicle at an engine speed between 2500 and 3000 rpm.
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00282
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Throttle valve positioner -V601)
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Short to earth
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Wire has short to earth
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- Check V60
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checking throttle valve control part
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V60 defective/sticking in closed direction
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Short to positive
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Wire has short to positive
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V60 defective/sticking in open direction
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Open circuit
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Wiring open circuit
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1)
The throttle valve positioner V60 is a component of the throttle valve control part J338.
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00513
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Engine speed sender -G28
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No signal
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Wiring open circuit
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- Check G28 => Page 24-67
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G28 defective
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- Replace G28 => Page 24-9
, item 10
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Implausible signal1)
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Gap sender/sender wheel too large
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- Check G28 is seated securely/metal particles => Page 24-9
, item 10
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Metal particles on G28 or holder loose
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Sender wheel defective, loose
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- Check sender wheel is seated securely:
=> Repair group 13; Removing and installing crankshaft
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1)
In isolated cases, fault may be stored as a result of engine being abruptly stalled (sporadic fault).
Note on fault code 00513:
If due to a defect the engine does not run: Before interrogating the fault memory operate the starter for at least 5 seconds and then do not switch the ignition off
. Because there is no signal from the engine speed sender when the engine is not running, the self diagnosis could mistakenly recognise an engine speed sender -G28 fault. If the fault remains stored in the fault memory, check the sender as described.
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00515
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Hall sender -G40
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Hall sender (G40) rotor twisted, camshaft timing out
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- Check G40 => Page 28-9
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Open/short circuit to positive
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- Check valve timing:
=> Repair group 13; dismantling and assembling engine; setting timing
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Wiring open circuit or wiring/G40 has short circuit to positive
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Short circuit to earth
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Short circuit to earth in wiring or G40
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00516
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Idling switch F601)
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F60 defective, always closed
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- Check F60
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checking throttle valve control part
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Short to earth
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Wiring has short to earth
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Open circuit/short circuit to positive
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F60 defective, always open
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Wiring open circuit
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Accelerator cable incorrectly adjusted
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- Adjust accelerator cable
=> Repair Group 20; Removing and installing parts of the fuel supply system; Servicing accelerator cable
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1)
The idling switch F60 is a component of the throttle valve control part J338.
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00518
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Throttle valve potentiometer
-G691)
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Open circuit/short to positive
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Wiring open circuit/wiring or G69 has short to positive
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- Check G69
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Checking throttle valve control part
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Open circuit/short to earth
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G69 defective/wire has short to earth
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- On vehicles ▸07.95 without throttle valve control part, check G69 => Page 24-51
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1)
The throttle valve potentiometer G69 for vehicles approx. 08.95 ▸is a part of the throttle valve control part J338.
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00522
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Coolant temperature sender
-G62
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Short to earth
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G62 defective
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- Replace G62 => Page 24-8
, item 5
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Wire has short to earth
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- Check G62
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Open circuit/short to positive
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G62 defective, or incorrect working range caused by corrosion on connector
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Wiring open circuit/wire has short to positive
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Implausible signal
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G62 defective
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- Replace G62 => Page 24-8
, item 5
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Thermostat defective (permanently open)
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- Check thermostat
=> Repair group 19; Removing and installing parts of the cooling system; Removing and installing thermostat housing;
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00524
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Knock sensor 1 -G61
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Open circuit/short to earth
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G61 defective
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- Replace G61 => Page 28-5
, item 12
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Wiring open circuit/short to earth in the sensor wire
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- Check G61
=> Page 28-17
, checking knock sensors
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No knock recognition from Motronic control unit (J220)
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- If necessary replace J220
=> Page 24-7
, item 2
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V.A.G 1551 print-out
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Possible fault cause
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Fault elimination
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00525
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Lambda probe -G39
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No signal
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G39 defective
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- Replace G39 => Page 24-8
, item 4
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Lambda probe heating defective
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- Check Lambda probe heating
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Wiring open circuit
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- Check Lambda probe and Lambda control
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Short circuit to positive
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Short circuit to positive in wiring or G39
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Short circuit to earth
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Short circuit to earth in wiring or G39
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Fuel tank empty
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- Fill tank / erase fault memory
=> Page 01-12
, interrogating and erasing fault memory
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Implausible signal
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G39 defective
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- Replace G39 => Page 24-8
, item 4
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