Mazda 2: PCM

PCM REMOVAL/INSTALLATION

CAUTION:

1. Remove the air cleaner cover. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION).

2. Install in the reverse order of removal.

3. When replacing the PCM on the vehicles, perform the following:

PCM INSPECTION

Without Using the M-MDS

CAUTION:

1. Measure the voltage at each terminal.

PCM Terminal Voltage Table (Reference)

Mazda 2. PCM

Mazda 2. PCM

Mazda 2. PCM

Mazda 2. PCM

Mazda 2. PCM

Mazda 2. PCM

Mazda 2. PCM

Mazda 2. PCM

Mazda 2. PCM

Mazda 2. PCM

*1 ATX
*2 MTX
*3 With cruise control system

Inspection Using An Oscilloscope (Reference)

Fuel injection control signal

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

CMP signal

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

Evaporative purge control signal

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

Variable valve timing control signal

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

A/F sensor heater control signal

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

CKP signal

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

Generator output voltage signal

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

Generator field coil control signal

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

ESA control signal

Mazda 2. PCM

PCM terminals (except for California emission regulation applicable model)

Oscilloscope setting

Vehicle condition

Throttle control (-) signal

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

Throttle control (+) signal

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

Using The M-MDS

NOTE:

1. Connect the M-MDS to the DLC-2.

Mazda 2. PCM

2. Turn the ignition switch to the ON position.

3. Measure the PID value.

NOTE:

Mazda 2. PCM

Mazda 2. PCM

Mazda 2. PCM

Mazda 2. PCM

Mazda 2. PCM

Mazda 2. PCM

Mazda 2. PCM

Mazda 2. PCM

*1 With cruise control system
*2 MTX
*3 ATX

PCM CONFIGURATION

1. Connect the M-MDS (IDS) to the DLC-2.

2. After the vehicle is identified, select the following items from the initial screen of the M-MDS.

3. Perform the configuration according to the directions on the screen.

4. Retrieve DTCs by the M-MDS, then verify that there is no DTC present.

READ NEXT:

 Neutral Switch

NEUTRAL SWITCH INSPECTION 1. Disconnect the negative battery cable. 2. Remove the neutral switch. (See NEUTRAL SWITCH REMOVAL/INSTALLATION). 3. Inspect for continuity between the neutral switch term

 Engine Coolant Temperature (ECT) Sensor

ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION WARNING: When the engine is hot, it can badly burn. Turn off the engine and wait until it is cool before removing the ECT sensor. ECT

 Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor

MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR REMOVAL/INSTALLATION CAUTION: Neither the MAF nor the IAT sensor cannot be removed as a single unit. When replacing the MAF or IAT sensor,

SEE MORE:

 Heated Oxygen Sensor (HO2S)

HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION WARNING: A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system. 1. Disconnect the negative battery cable. 2. Remove the air cleaner cover. (See INTAKE-AIR SYS

 Air Bag System Wiring Diagram

FOREWORD Outline The OBD (on-board diagnostic) system has the following functions: Malfunction detection function: Detects malfunctions in the air bag system and outputs DTCs. PID/data monitor function: Reads out specific input/output signals and the system status. Diagnostic DTCs can

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