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1 VERIFY FREEZE FRAME DATA HAS Has FREEZE FRAME DATA been Yes Go to the next step. No Record FREEZE FRAME DATA on the repair order, then go to the next step. 2 VERIFY RELATED REPAIR Verify related Service Bulletins and/or Is any related Service Bulletins Yes Perform repair or diagnosis according to the If the vehicle is not repaired, go to the next No Go to the next step. 3 VISUALLY INSPECT HO2S WIRING
Turn the ignition switch off. Disconnect the HO2S connector. Visually inspect the HO2S wiring Check the connector (both Make sure the connector pins Is a concern present? NOTE: Disconnect the HO2S wiring Yes Repair if necessary. Go to Step 9. No Go to the next step. 4 INSPECT WHETHER HO2S SIGNAL Connect the HO2S connector. Turn the ignition switch to the ON Access the PCM and monitor the Is the voltage less than 1.1V? Yes Go to Step 6. No Go to the next step. PERFORM THOROUGH WIGGLE Turn the ignition switch off. Turn the ignition switch to the ON Yes Repair if necessary. Go to Step 9.
2008 Mazda CX-9 Grand Touring 2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
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