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Audi A3 1997 ➤
Electrical system Self-diagnosis - Edition 02.2002
Display on VAS 5051
Coolant temperature gauge sender -G2
- Open circuit/short to positive
- Short to earth
Display on VAS 5051
01300
Nav. with CD drive control unit
- No communication
Display on VAS 5051 Possible cause of trouble
01302
Telematic control unit
- No communication - Open circuit in wiring or short circuit
- Incorrect control unit, i.e. no CAN capabil‐
ity
- "1" not displayed in measured value block
140 for telematics control unit =>Page
- Dash panel insert adaption not performed
correctly
Display on VAS 5051
01303
Telephone transmitter/receiver unit
- No communication
Display on VAS 5051 Possible cause of trouble
01304
Radio
- No communication - Open circuit in wiring or short circuit
- Incorrect control unit, i.e. no CAN capability - Replace control unit with one featuring
52
01 - Self-diagnosis
Possible cause of trouble
- Open circuit in wiring or short
circuit
- -G2 defective
Possible cause of trouble
- Open circuit in wiring or short circuit
- Incorrect control unit, i.e. no CAN ca‐
pability
- "1" not displayed in measured value
block 140 for navigation control unit
=>Page
70
- Dash panel insert adaption not per‐
formed correctly
70
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Possible cause of trouble
- Open circuit in wiring or short circuit - Use current flow diagram to per‐
- Incorrect control unit, i.e. no CAN
capability
- "1" not displayed in measured value
block 140 for telephone control unit
=>Page
70
- Dash panel insert adaption not per‐
formed correctly
Fault remedy
- Use current flow diagram to per‐
form fault-finding
- Replace -G2
Fault remedy
- Use current flow diagram to perform
fault-finding
- Replace control unit with one featur‐
ing CAN capability
- Select adaption channel 62 and en‐
ter correct adaption value => Page
105
Fault remedy
- Use current flow diagram to perform fault-
finding
- Replace control unit with one featuring
CAN capability
- Select adaption channel 62 and enter
correct adaption value => Page
Fault remedy
form fault-finding
- Replace control unit with one fea‐
turing CAN capability
- Select adaption channel 62 and
enter correct adaption value =>
Page
105
Fault remedy
- Use current flow diagram to perform fault-
finding
CAN capability
105
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