Audi A8 1994 Service Manual page 17

Motronic injection and ignition system (6-cylinder) - Edition 02.1999
P1515 17923 Intake manif.
change-over
valve -N156
Short to Earth
P1516 17924 Intake manif.
change-over
valve -N156
Open circuit
Fault code Readout on fault reader display
SAE V.A.G
P1519 17927 Bank 1, Variable valve timing
Faulty
P1522 17930 Bank 2, Variable valve timing
Faulty
P1529 17937 Variable valve timing
Short to Positive
P1530 17938 Variable valve timing
Short to Earth
P1531 17939 Variable valve timing
Open circuit
Fault code
SAE V.A.G
P1539 17947 Clutch pedal switch -F36
Implausible signal
P1542 17950 Angle sender for throt. val. drive -G187
Implausible signal 1)
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
P1543 17951 Angle sender for throt. val. drive -G187
with respect to the correctness of information in this document. Copyright by AUDI AG.
Signal too small 1)
P1544 17952 Angle sender for throt. val. drive -G187
Signal too large 1)
P1545 17953 Throttle valve control
Faulty 1)
P1558 17966 Throttle valve drive -G186
Electrical fault in current circuit 1)
P1559 17967 Throttle valve control part -J338
Fault in basic setting 1)
1) If this fault occurs the engine control unit activates the EPC warning lamp in the dash panel insert.
Notes on EPC warning lamp =>Page
Fault code Readout on fault reader display
SAE V.A.G
P1560 17968 Maximum engine revs surpassed
P1564 17972 Throttle valve control part -J338
Low voltage at base setting
P1565 17973 Throttle valve control part -J338
Lower stop is not reached 1)
=> Mechanics; Repair group 15; Testing camshaft timing con‐
trol, Testing operation of camshaft timing control Testing cam‐
shaft timing control, Testing operation of camshaft timing
control
=> Mechanics; Repair group 15; Testing camshaft timing con‐
trol, Testing solenoid valves forcamshaft adjustment Testing
camshaft timing control, Testing solenoid valves forcamshaft
adjustment
Readout on fault reader display
80 .
Fault rectification
Test clutch pedal switch
for throttle valve drive
Test throttle valve control part
Fault rectification
Repair mechanical damage
Charge battery or
test throttle valve control part => Page
Test throttle valve control part
=> Page
Audi A8 1994 ➤
Fault rectification
=> Page 85
Test angle sender
=> Page 79
=> Page 76
Perform adaption
=> Page 76
76 .
76
2.2 - Fault table
13