RS 6 V8-4.2L Turbo (BCY) (2003)
Display Group 062
NOTE: The engine control module converts the angle sensor voltage values into percentages referenced to 5 V and displays the percentage values (5 V
supply voltage corresponds to 100 %).
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Observe display zones 3 and 4.
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Slowly floor accelerator pedal.
Percentage value displayed in zone 3 must increase steadily. Tolerance range 12...97 % is not fully utilized.
Percentage value displayed in zone 4 must likewise increase steadily. Tolerance range 4...49 % is not fully utilized.
NOTE: The value displayed in zone 3 must always be roughly twice that in display zone 4.
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Terminate function "08 - Reading measured value block" by touching <- key.
If displays are not as described:
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Check power supply and wiring of accelerator pedal position senders.
Checking power supply of accelerator pedal position senders
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Remove driver's storage compartment:
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Disconnect accelerator pedal position sender connector.
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Switch on ignition.
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Connect multimeter for voltage measurement as follows:
Connector
Specification
Contact
1 + Ground
approx. 5 V
1 + 5
approx. 5 V
2 + Ground
approx. 5 V
2 + 3
approx. 5 V
If readings match specifications:
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Additionally check signal wires.
If readings do not match specifications:
Checking wiring
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Connect test box V.A.G 1598/31 at wiring harness to engine control module. Actual engine control module is not to be connected. See: Powertrain