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Home >> Infiniti >> 2002 >> Q45 >> Repair and Diagnosis >> External Pages >> Different car >> Section 216 (Engine Control System) >> DTC P1229: Sensor Power Supply >> Diagnostic Procedure >> 3. Check Sensor Power Supply Circuits

3. Check Sensor Power Supply Circuits

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.

Check the following.

OK or NG 

OK: GO TO 4.

NG: Repair short to ground or short to power in harness or connectors.

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