check engine AUDI A6 2000 C5 / 2.G ATQ Engine Basic Setting Workshop Manual

01-67

Test requirements for operations with engine
running:

No DTCs in DTC memory.
Coolant Temperature at least 80 C.

Electrical consumers switched off (radiator
fan must NOT run during test).
A/C switched off.

Test sequence

- Connect VAS5051 tester or VAG1551 scan tool
and select the control module for engine
electronics using "address word" 01 Page 01
-
9 .

Engine must run at idle for this.

- Check DTC Memory Page 01
-15
. There must
not be any DTCs stored, repair malfunctions if
necessary, erase DTC memory, switch engine
off and start again, road test vehicle and check
DTC memory again as a control measure.
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