Mazda 2003 MPV User Manual download pdf (Page 32)

MA33

Mazda ReferenceMA000

• For Specific Drive Mode, specified drive modes have been set for each individual

monitoring item requested by OBD-II regulations, and they can be diagnosed individually.

• For the Single Drive Mode, the entire monitoring item requested by OBD-II regulations

can be diagnosed.

The following modes are in the Specific Drive Mode. The applicable system is diagnosed by

driving in the following drive modes:

• PCM Adaptive Memory Produce Drive Mode

• EGR System Repair Verification Drive Mode

• HO2S heater, HO2S, and TWC Repair Verification Drive Mode

• EVAP System Repair Verification Drive Mode

The following systems are diagnosed with the Single Drive Mode.

• EGR system

• Oxygen sensor (HO2S)

• Oxygen sensor heater

• Catalytic converter (TWC)

• Fuel, misfire and evaporative (EVAP) system

IMPORTANT:

While performing the Drive Mode, always operate the vehicle in a safe and lawful manner.

When observing monitor system status while driving, be sure to have another technician with

you, or record the data and inspect later.

NOTE:

i Vehicle speed and RPM detected by the PCM may differ from that indicated by the

speedometer and tachometer. Use the DATA PID to monitor vehicle speed.

If the OBD-II system inspection is not completed during the Drive Mode, the following causes

are considered:

• The OBD-II system detects malfunction.

• The Drive Mode procedure is not completed correctly.

• Do not disconnect the battery after the Drive Mode, this will reset the memory.

• The scan tool can be used at anytime through the course of the Drive Mode to monitor

completion status by viewing ON BOARD SYSTEM READINESS.

• OBD monitoring status can be confirmed with ignition key operation. During KOEO, MIL

illuminates for fail-light inspection for approximately 17 seconds. The OBD monitoring

status is confirmed after the fail-light inspection.

• If all diagnosis is completed even once, MIL will continue to illuminate.

• If diagnosis is not complete, the MIL flashes for approximately 7 seconds, and then

illuminates until engine is started.

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Mazda 2003 MPV User Manual Page 32