A4 V6-3.0L (AVK) (2004)
1
Engine ground
2
Engine ground
-
Specified value: approx. battery voltage.
If specified value is not attained:
-
Check wiring connections.
Checking actuation
-
Connect multimeter as follows to measure voltage.
Relay carrier in electronics box,
Measure to
plenum chamber, position 2
terminal
4
Battery positive
-
Switch ignition on.
-
Specified value: approx. battery voltage.
If specified value is not attained:
-
Switch ignition off.
-
Connect test box VAG 1598/31 to wiring harness for engine control module; do not connect engine control module. See: Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/With Manufacturer's Scan Tool/Scan Tool Connecting and
Initial Checks/Wiring and Component Testing Using VAG1598/31 Test Box
-
Check for open circuit and short to positive or ground in following wiring connection:
Relay carrier in electronics box,
Test box VAG
plenum chamber, position 2
1598/31
terminal
Socket
4
23
-
Repair any open/short circuit as necessary.