A6 Sedan V6-2.8L (AHA) (1998)
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Switch ignition off.
Evaluation of display group 55
Explanation of 4-digit display
NOTE: The increased speed (raised RPM) on vehicles with front-wheel drive is attained if there is power supplied (B+, 15er) to terminal 10 of the
engine control module.
Continuation
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Switch ignition off.
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Connect VAG 1598/22 test box to ECM harness connector.
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Switch ignition on.
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With throttle valve in closed throttle position, connect multi- meter US 1119 (Fluke 83 or equivalent), and check resistance between ECM/test box
sockets 59 and 66.
Specified value: 3 - 200 Ohms
If resistance is NOT OK:
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Disconnect 8-pin harness connector from throttle valve control module -J338-.
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Check wiring for open circuit between ECM/test box and 8-pin throttle valve control module harness connector.
- Connector terminal 1 to ECM/test box socket 66
- Connector terminal 2 to ECM/test box socket 59
- Connector terminal 7 to ECM/test box socket 67
- Connector terminal 8 to ECM/test box socket 74
- Specified value: max. 1.5 Ohms