Diagnostic procedure

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

STEP	INSPECTION		ACTION
1	VERIFY FREEZE FRAME DATA HAS BEEN RECORDED Has FREEZE FRAME DATA been recorded?	Yes	Go to the next step.
1		No	Record the FREEZE FRAME on the repair order, then go to the next step.
2	VERIFY RELATED REPAIR INFORMATION AVAILABILITY Verify related Service Bulletins and/or on-line repair information availability. Is any related repair information available?	Yes	Perform repair or diagnosis according to the available repair information. If the vehicle is not repaired, go to the next step.
2		No	Go to the next step.
3	VERIFY RELATED PENDING AND STORED DTC Switch the ignition to off, then to ON (engine off). Verify pending and stored DTCs using the M-MDS. Is the DTC P2108:00 also present?	Yes	Go to the applicable DTC inspection. (See DTC P2108:00 [L5] .)
3		No	Go to the next step.
4	VERIFY CURRENT INPUT SIGNAL STATUS IS CONCERN INTERMITTENT OR CONSTANT Connect the M-MDS to DLC-2. Start the engine. Access the following PIDs using the M-MDS ECT MAF TP REL RPM Warm-up engine until ECT PID is above -200°C {-392°F}. Idle engine for 5 s or more CAUTION: While the driving, always operate the vehicle in a safe and lawful manner. Drive the vehicle under the following two PID conditions: Condition 1 TP REL: 50-87.5% RPM. above 500 RPM 4th gear (MTX), D range (ATX) Condition 2 TP REL PID: above 80 % RPM PID: below 2, 000 RPM Gear in Is PENDING CODE for this DTC present?	Yes	Go to the next step
4		No	Intermittent concern exists Go to the INTERMITTENT CONCERNS TROUBLESHOOTING procedure (See INTERMITTENT CONCERN TROUBLESHOOTING [L5] .)
5	INSPECT MAF/IAT SENSOR CONNECTOR CONDITION Switch the ignition to off Disconnect the MAF/IAT sensor connector. Inspect for poor connection (such as damaged/pulled-out pins, corrosion) Is there any malfunction?	Yes	Repair or replace the terminal and/or connector, then go to Step 8
5		No	Go to the next step
6	INSPECT PCM CONNECTOR CONDITION Disconnect the PCM connector Inspect for poor connection (such as damaged/pulled-out pins, corrosion). Is there any malfunction?	Yes	Repair or replace the terminal and/or connector, then go to Step 8
6		No	Go to the next step.
7	INSPECT MAF SENSOR Inspect the MAF sensor (See MASS AIR FLOW (MAF) SENSOR INSPECTION [L5] .) Is there any malfunction?	Yes	Replace the MAF/IAT sensor, then go to the next step (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [L5] .)
7		No	Go to the next step
8	VERIFY DTC TROUBLESHOOTING COMPLETED Make sure to connect all disconnected connectors. Switch the ignition to ON (engine off). Clear the DTC from PCM memory using the M-MDS. Start the engine. Warm-up engine until ECT PID is above -200°C {-392°F}. Idle engine for 5 s or more. CAUTION: While the driving, always operate the vehicle in a safe and lawful manner. Drive the vehicle under the following two PID conditions: Condition 1 TP REL 50-87.5% RPM: above 500 RPM 4th gear (MTX), D range (ATX) Condition 2 TP REL: above 80 % RPM: below 2, 000 RPM Gear in Is the PENDING CODE for this DTC present?	Yes	Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [L5] .)
8		No	Go to the next step.
9	VERIFY AFTER REPAIR PROCEDURE Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [L5] .) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [L5] .)
9		No	DTC troubleshooting completed.