A8L V8-4.2L (BFM) (2004)
If the specified values are not reached, check voltage supply.
Check voltage supply of throttle valve control module
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Pull connector off throttle valve control module.
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Switch ignition on.
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Connect multimeter to the following connector terminals for voltage measurement:
6-pin connector at wiring
Specified value
harness, terminal
2 + Ground (GND)
about 5 V
2 + 6
about 5 V
If specified values are obtained, also check signal wires and activation wires of throttle valve control module.
If specified values are not obtained:
Check wire connections from Engine Control Module (ECM) to throttle valve control module.
Checking wire connections
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Pull connector off throttle valve control module.
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Connect V.A.G 1598/31 test box to wiring harness of Engine Control Module (ECM) See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting.
The following wire connections must be checked for short circuit to B+, Ground (GND) and for open circuit
6-pin Connector at
VAG 1598/31 text box, socket
wiring harness, terminal
1
92
2
83
3
117
4
84
5
118
6
91
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Repair open circuit in wiring or short circuit if necessary.
If no malfunctions are found in wires: