R32 4Motion V6-3.2L (CBRA) (2008)
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Switch the ignition off.
If the specified value was not obtained:
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Replace Heated Oxygen Sensor (HO2S) 2 G108.
If the specified value was obtained:
Checking wiring
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 Engine Control Module (ECM) J623.
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Using a Multimeter, check the Heated Oxygen Sensor (HO2S) 2 G108 electrical harness connector terminals to the Engine Control Module
(ECM) J623 electrical harness connector T121 terminals for resistance.
Heated Oxygen Sensor
Engine Control Module (ECM) J623
(HO2S) 2 G108 electrical
electrical connector T121
harness connector terminals
terminals or test box sockets
1
15
2
12
5
14
6
13
Specified value: 1.5 ohms Max.
If the specification was not obtained:
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Check the wiring for an open circuit, a short circuit to each other, Battery (+), or 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 found in the wiring:
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Erase the 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. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness
Codes
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End diagnosis.
If the DTC returns and no malfunction is found in the wiring and the voltage supply was OK:
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Replace the Engine Control Module (ECM) J623.
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Assembly is performed in the reverse of the removal.
Final procedures