GLI L4-2.0L Turbo (CCTA) (2008)
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.
If the specified value was obtained:
Checking Ground (GND) activation
If the manufacturers test box is being used, perform the following step.
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Install the test box.
If the manufacturers test box is not being used, perform the following step.
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Remove the Motronic Engine Control Module (ECM) (J623).
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Using a multimeter, check the Heated Oxygen Sensor (HO2S) (G39) electrical harness connector terminal to the Motronic Engine Control Module
(ECM) (J623) electrical harness connector terminal for an open circuit.
Specified value: 1.5 ohms max.
If the specified value was Not obtained:
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Check the wiring for an open, short circuit to each other, Battery (+), and 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 faulty wiring connection.
If no malfunction is detected in the wiring and if the voltage supply was OK:
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Replace the Motronic Engine Control Module (ECM) (J623).
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Install the engine cover with air filter.
Final procedures
After the repair work, the following work steps must be performed in the following sequence:
1. Check the DTC memory. Refer to --> [ Diagnostic Mode 03 - Read DTC Memory ] See: Testing and Inspection/Scan Tool Testing and
Procedures/Diagnostic Modes 01 - 09.