TT Roadster L4-2.0L Turbo (BPY) (2008)
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Switch the ignition on.
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Using a Multimeter, check the following wiring connection for voltage.
Specified value: 12.5. battery voltage.
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Switch the ignition off.
If the specified value was not obtained:
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Using a Multimeter, check the Engine Control Module (ECM) (J623) electrical harness connector terminal T94/87 to the Power Supply Relay
(terminal 50) ( J682) socket 2/30 for an open circuit.
Specified value: 1.5 ohms.
If the specified value was not obtained:
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Check the Engine Control Module (ECM) (J623) electrical harness connector terminal T94/87 to the Power Supply Relay (terminal 50) (J682)
socket 2/30 for an open circuit or a short to Ground (GND).
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the wiring connection.
If no malfunctions are found in the wiring:
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Using a Multimeter, check the following wiring connection for voltage.
Specified value: 12.5 V
If the specified value was not obtained:
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Using a Multimeter, check the Engine Control Module (ECM) (J623) electrical harness connector terminal to the Battery (A) (+) for an open
circuit or short to Ground (GND).
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Check the electrical harness connectors for damage, corrosion, loose or broken terminals.
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If necessary, repair the wiring connection.
If no malfunctions are found in the wiring:
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Switch the ignition on.
-
Using a Multimeter, check the following wiring connections for voltage.
Specified value: 12.5. battery voltage.
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Switch the ignition off.
If the specified value was not obtained:
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Using a Multimeter, check the Engine Control Module (ECM) (J623) electrical harness connector terminals T94/3, T94/5, T94/6 to the Motronic
Engine Control Module (ECM) Power Supply Relay (J271) socket 2/87 for an open circuit.