GLI L4-2.0L Turbo (BPY) (2008)
If the specification 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) (J220). Refer to --> [ Engine Control Module ] .
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Using a multimeter, check the Heated Oxygen Sensor (HO2S) (G39) electrical harness connector terminal 3 to the Motronic Engine Control
Module (ECM) (J220) electrical harness connector T94 terminal 51 for an open circuit.
Specified value: 1.5 ohms max.
If the specification was not obtained:
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Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
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Check the electrical harness connector for damage, corrosion, lose 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 Heated Oxygen Sensor (HO2S) (G39)
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Erase the DTC memory. Refer to --> [ Diagnostic Mode 04 - Erase DTC Memory ] See: Computers and Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Diagnostic Mode 04 - Erase DTC Memory.
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Perform a road test to verify repair.
If the DTC does not return:
Repair complete, Generate readiness code. Refer to --> [ Readiness Code ] See: Computers and Control Systems/Testing and Inspection/Monitors,
Trips, Drive Cycles and Readiness Codes.
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End diagnosis.
If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK: