RS 6 V8-4.2L Turbo (BCY) (2003)
Part 1
Part 2
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Connect voltage tester VAG 1527 B as follows:
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Operate starter briefly.
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LED should light up.
If LED does not light up:
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Test for open circuit in wiring connection between Sensor -1- for exhaust temperature G235- and Bank 2 Exhaust Gas Temperature (EGT) Sensor
1 -G236- and fuel pump relay via fuse.
Checking wiring connections
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Connect test box V.A.G 1598/31 to wiring harness connectors. The engine control unit itself does not need to be connected to test box. Connect
ground clamp on test box to ground -arrow-.
WARNING: To prevent damage to electronic components, switch to respective measuring range before connecting measuring cable and
observe test prerequisites.
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Test for open circuit and short to positive or ground in following wiring connections: