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2 Verify related Service Bulletins and/or Is any related Service Bulletins If the vehicle is not repaired, go to the No Go to the next step. 3 INSPECT IAT SENSOR TERMINAL Turn the ignition switch off. Disconnect MAF/IAT sensor Inspect for bent terminal of MAF/IAT Is there any malfunction? Yes Repair or replace suspected part, then go to Step No Go to the next step. 4 CLASSIFY IAT SENSOR Connect M-MDS to DLC-2. Access IAT PID. Verify IAT value when disconnecting Does IAT value change? Yes Replace MAF/IAT sensor or harness, then go to No Go to the next step. 5 INSPECT IAT SIGNAL CIRCUIT FOR Turn the ignition switch off. Disconnect PCM connector. Inspect continuity between MAF/IAT Is there continuity? Yes Repair or replace suspected part, then go to the No Go to the next step. 6 VERIFY TROUBLESHOOTING OF Verify that all disconnected Turn the ignition switch to the ON Clear the DTC from the PCM memory Start engine and warm it up Is same DTC present? Yes Replace the PCM, then go to the next step. (See No Go to the next step.
2008 Mazda CX-9 Grand Touring 2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
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