Allroad Quattro V6-2.7L Turbo (APB) (2002)
1 + 3 approx.
5V
5 + Ground (GND) approx. 5 V
5 + 4 approx.
5V
If the specifications are obtained:
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Check signal wiring.
If the specifications are not obtained:
-
Check wiring between Engine Control Module (ECM) and accelerator position sensors.
Checking wiring
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Connect VAG1598/31 test box to wiring harness for engine control module. Do not connect to the engine control module itself. Refer to "Scan
Tool Testing/Scan Tool Connecting and Initial Checks/Connecting VAG1598/31 Test Box" See: Computers and Control Systems/Testing and
Inspection
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Check for open circuit and short to B+ or Ground (GND) in the following wiring connections:
Connector
VAG1598/31 test box
socket
socket
1
72
2
73
3
36
4
35
5
33
6
34
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Repair any open/short circuit as necessary.
If no wiring malfunction is detected:
-
Replace accelerator position sensors.
NOTE: After replacing accelerator position sensor, on vehicles with automatic transmission carry out adaptation of Kick-Down switch.