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5 OPERATION INSPECTION [MZI- No Repair or replace the malfunctioning part according to electronic throttle control system operation inspection results. 6 Disconnect the vacuum hose between the Yes Inspect the evaporative emission control No Go to the next step. 7 Connect the M-MDS to the DLC-2. Yes Go to the next step. No APP1, APP2, APP3 PIDs: Inspect the accelerator pedal position sensor. TP1, TP2 PID: Inspect TP sensor. MAF PID: Inspect MAF sensor. VSS PID: Inspect VSS. 8 Access and monitor BOO, TR PIDs. Yes Go to the next step. No If the BOO PID is not normal: Inspect brake switch, and related wiring harness for vibration or
If the TR PID is not normal: Inspect TR switch and related wiring harness for vibration or intermittent open/short circuit. 9 Verify test results. If normal, return to diagnostic index to service any additional symptoms. (See SYMPTOM DIAGNOSTIC INDEX [MZI-3.7].) If malfunction remains, inspect related Service Bulletins and/or On-line Repair If vehicle is repaired, troubleshooting completed. If vehicle is not repaired or additional diagnostic information is not available, (See PCM REMOVAL/INSTALLATION [MZI-3.7] .)
2008 Mazda CX-9 Grand Touring 2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9
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