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:

 Rear Door Trim

REAR DOOR TRIM REMOVAL/INSTALLATION 1. Disconnect the negative battery cable. 2. Remove the sail inner garnish. (See SAIL INNER GARNISH REMOVAL/INSTALLATION) 3. Pull the cover of inner handle while remove the tabs. 4. Remove the screw. 5. Pull in the direction of the arrow shown in the figure and

 HVAC System

HVAC SYSTEM WIRING DIAGRAM FOREWORD The areas for inspection (steps) are given according to various circuit malfunctions. Use the following chart to verify the symptoms of the trouble in order to diagnose the appropriate area. TROUBLESHOOTING INDEX NO.1 INSUFFICIENT AIR (OR NO AIR) BLOW

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