warning light AUDI A4 2000 B5 / 1.G ATQ Engine Electronic Engine Power Control Checking Workshop Manual

Page 5 of 41

24-137

Electronic Power Control (EPC) warning
lamp -K132-, checking


Note:
The fault light for power accelerator activation -
K132- is also called the EPC warning lamp.

Special Tools and Equipment

VAG1594A

VAG1598/31
Pa
ge 5 of 41 Electronic en
gine
power control
(E-Gas
), checkin
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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 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:
Pa
ge 6 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