TT Quattro Roadster L4-1.8L Turbo (AMU) (2002)
If specified value is not obtained:
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Check adjustment of Clutch Pedal Position (CPP) switch or
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Replace Clutch Pedal Position (CPP) switch.
If specified value is obtained:
Checking voltage supply
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Connect VAG1527B voltage tester as follows:
Harness connector
Measure to
Terminal
1
Chassis Ground (GND)
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Switch ignition on.
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LED must light up.
If LED does not light up:
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Check wire connection from terminal 1 of connector to fuse holder for open circuit and short circuit to Ground (GND):
If LED lights up:
Checking activation
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Connect VAG1598/31 test box at wiring harness to ECM, do not connect ECM. See: Testing and Inspection/Scan Tool Testing and
Procedures/Scan Tool Testing/Scan Tool Connecting and Initial Checks/Wiring and Component Testing Using VAG1598/31 Test Box
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Check the following wire connection for open circuit and short circuit to Ground (GND) and B+:
Harness connector
VAG1598/31 test box
Terminal
Socket
2
39
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Repair open circuit or short circuit if necessary.