Mazda 2003 MPV User Manual download pdf (Page 19)

MA20

Mazda ReferenceMA000

EGR System Repair Verification Drive Mode

This mode applies to the following models:

• 2003 Mazda 6

z To perform this drive cycle:

1. Access the RFCFLAG parameter with the scan tool to confirm PCM adaptive memory

status:

– If RFCFLAG reads “no”, perform PCM Adaptive Memory Produce Drive Mode first.

– If RFCFLAG reads “yes”, start the engine and warm it up completely.

2. Verify all electrical accessory loads (headlights, blower motor, rear window defroster, and

air conditioning (A/C) are off.

3. Drive the vehicle as shown in Figure MA000-22.

Figure MA000-22

4. Stop the vehicle and access the “On Board System Readiness” on the scan tool to inspect

the Drive Mode completion status:

– If completed, RFC reading changes from “no” to “yes”.

– If not completed, switch the ignition off and return to Step 3.

5. Access the “Diagnostic Monitoring Test Results” on the scan tool to inspect the monitor

results:

If data is not within specification, the repair has not completed.

6. Verify that no DTCs have been set.

HO2S Heater, HO2S, and TWC Repair Verification Drive Mode

This mode applies to the following models:

• 2003 Mazda 6

z To perform this drive cycle:

1. Access the RFCFLAG parameter with the scan tool to confirm adaptive memory status:

– If RFCFLAG reads “no”, perform PCM Adaptive Memory Produce Drive Mode first.

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Mazda 2003 MPV User Manual Page 19