Mazda 6 manuals

Mazda 6 Service Manual: Obd drive mode

- Oxygen sensor (HO2S)

- Oxygen sensor heater

- Catalytic converter (TWC)

Caution

Note

1. The OBD system detects the malfunction.

2. The Drive Mode procedure is not completed correctly.

PCM Adaptive Memory Procedure Drive Mode

Note

1. Start the engine and warm it up completely.

2. Verify all accessory loads (A/C, headlights, blower fan, rear window defroster) are off.

3. Perform no load racing at the engine speed shown in the graph, then idle the engine for more than 30 s

after the cooling fan is stopped. If possible, monitor RPM PID for engine speed and FAN1 PID for cooling fan condition during this procedure.


4. Turn ignition key off then on again.

5. Access to RFC FLAG PID to confirm PCM adaptive memory condition. If RFCFLAG PID is ON, PCM Adaptive Memory Procedure Drive is completed.

6. If RFCFLAGPID is still OFF, go back to Step 1.

HO2S Heater, HO2S, and TWC Repair Verification Drive Mode

1. Access to RFCFLAG PID to confirm PCM adaptive memory condition. If RFCFLAG PID is OFF, perform PCM Adaptive Memory Procedure Drive first.

2. If RFCFLAG PID is ON, start the engine and warm it up completely.

3. Verify all accessory loads (A/C, headlights, blower fan, rear window defroster) are off.

4. Drive the vehicle as shown in the graph; first drive in zone O, then A or B, followed by C or D, finally E or F. Driving condition before the constant speed driving is not specified.

For MTX



For ATX



5. Stop vehicle and access to ON BOARD SYSTEM READINESS menu of GENERIC OBD FUNCTION to inspect the Drive Mode completion condition. If completed, RFC changes from NO to YES.

6. If not completed, turn the ignition key to OFF, then go back to Step 4.

7. Access DIAGNOSTIC MONITORING TEST RESULTS menu of GENERIC OBD FUNCTIONS to inspect the monitor results. If MEAS are not within the specification, repair has not completed.

8. Verify no DTC is available.

On-board diagnostic test
DTCs Reading Procedure 1. Perform the necessary vehicle preparation and visual inspection. 2. Connect WDS or equivalent to the vehicle DLC-2 16-pin connector located as shown in the figure. 3. ...

Diagnostic monitoring test results
The purpose of this test mode is to confirm the result of OBD monitor diagnostic test results. The result values stored when particular monitor is completed are displayed. If the monitor is not ...

Other materials:

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