wiring AUDI A6 1996 C5 / 2.G ATQ Engine Electronic Engine Power Control Checking Workshop Manual
[x] Cancel search | Manufacturer: AUDI, Model Year: 1996, Model line: A6, Model: AUDI A6 1996 C5 / 2.GPages: 41, PDF Size: 0.21 MB
Page 6 of 41
24-138
Function test of warning lamp
- Switch ignition on.
Engine Control Module (ECM) switches EPC
lamp on.
- Start engine.
Shortly after engine is started, the EPC
warning lamp will go out if there are not
malfunctions stored in DTC memory that
relate to the E-gas system
A- Fault light for power accelerator activation
-K132- does not light up
- Connect VAG1598/31 test box at wiring harness
to ECM, do not connect ECM Page 24
-17
.
- Bridge sockets 1 and 48 of test box.
- Switch ignition on.
Warning lamp must light up.
If warning lamp does not light up:
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power control
(E-Gas
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p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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Page 8 of 41
24-139
- Check the following wire connection for open
circuit and short circuit to B+:
Test box
VAG1598/31
Socket
Instrument cluster
Terminal
48 Electrical Wiring Diagrams,
Troubleshooting & Component
Locations binder
- Repair open circuit or short circuit if
necessary.
If wire connection is OK:
- Replace Engine Control Module (ECM) Page
24
-21
.
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gine
power control
(E-Gas
), checkin
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p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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Page 9 of 41
24-140
B- Fault light for power accelerator activation
-K132- lights up constantly
- Check DTC memory of Engine Control Module
(ECM).
If no DTCs are stored:
- Connect VAG1598/31 test box at wiring harness
to ECM, do not connect ECM Page 24
-17
.
- Remove instrument cluster:
Repair Manual, Electrical Equipment, Repair
Group 90, Instrument cluster, removing and installing
- Check the following wire connection for short
circuit to Ground (GND):
Test box
VAG1598/31
Socket
Instrument cluster
Terminal
48 Electrical Wiring Diagrams,
Troubleshooting & Component
Pa
ge 9 of 41 Electronic en
gine
power control
(E-Gas
), checkin
g
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.24.5
Page 27 of 41
24-153
Checking wire connections
If no malfunctions are found in wires: - Pull connector (2) off throttle valve control module.
- Connect VAG1598/31 test box at wiring harness to ECM, do not
connect ECM Page 24
-17
.
- Check the following wire connections for open circuit and short circuit
to Ground (GND) and B+: Harness connector
Terminal
VAG1598/31 test box
Socket
1 92
2 83
3 117
4 84
5 118
6 91
- Repair open circuit or short circuit if necessary.
- Replace throttle valve control module.
Pa
ge 27 of 41 Electronic en
gine
power control
(E-Gas
), checkin
g
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.24.5
Page 35 of 41
24-159
Checking wire connections
- Connect VAG1598/31 test box at wiring harness
to ECM, do not connect ECM Page 24
-17
.
- Check the following wire connection for open circuit and short circuit to
Ground (GND) and B+: Harness connector
Terminal
VAG1598/31 test box
Socket
1 72
2 73
3 36
4 35
5 33
6 34
- Repair open circuit or short circuit if necessary.
Pa
ge 35 of 41 Electronic en
gine
power control
(E-Gas
), checkin
g
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.24.5