Mazda 2: PCM

PCM INSPECTION

CAUTION:

NOTE:

1. Remove the PCM connector cover. (See PCM REMOVAL/INSTALLATION).

2. Connect the voltmeter (-) lead to body GND.

3. Measure the voltage at each terminal.

PCM Terminal Voltage (Reference)

NOTE:

Mazda 2. PCM

Mazda 2. PCM

Mazda 2. PCM

Mazda 2. PCM

Input/Output Wave From (Reference)

Shift solenoid A

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

Shift solenoid B

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

Shift solenoid C

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

Pressure control solenoid (+)

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

Pressure control solenoid (-)

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

Input/turbine speed sensor

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

VSS

Mazda 2. PCM

PCM terminals

Oscilloscope setting

Vehicle condition

PCM REMOVAL/INSTALLATION

1. Remove and install the PCM. (See PCM REMOVAL/INSTALLATION).

AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION

CAUTION:

1. Disconnect the negative battery cable.

2. Drain the ATF into a separate suitable container. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT).

3. Disconnect and/or remove the following parts.

  1. Remove the battery, battery tray. (See BATTERY REMOVAL/INSTALLATION).
  2. Remove the battery tray bracket. (See ENGINE REMOVAL/INSTALLATION).
  3. Remove the fresh-air duct and air cleaner component as a single unit. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION).
  4. Disconnect the selector cable from the transaxle. (See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION).
  5. Disconnect the connector and GND wiring harness from the transaxle.
  6. Remove the EGR pipe installation bolt. (See EGR PIPE REMOVAL/INSTALLATION).
  7. Remove the bracket from the transaxle.
  8. Disconnect the oil hose from the transaxle. (See OIL COOLER REMOVAL/INSTALLATION).
  9. Disconnect the oil hose clip from the No.4 engine mount bracket. (See OIL COOLER REMOVAL/INSTALLATION).
  10. Remove the water-cooled oil cooler from the transaxle with the hose connected. (See OIL COOLER REMOVAL/INSTALLATION).
  11. Remove the filler tube from the transaxle.
  12. Remove the starter. (See STARTER REMOVAL/INSTALLATION).

4. Disconnect and/or remove the following parts.

  1. Remove the front tires. (See GENERAL PROCEDURES (FRONT AND REAR AXLES) ).
  2. Disconnect the ABS wheel-speed sensors from the steering knuckles. (See FRONT ABS WHEEL-SPEED SENSOR REMOVAL/INSTALLATION).
  3. Remove the clip, then unlock the brake pipe. (vehicle left side) (See BRAKE HOSE (FRONT) REMOVAL/INSTALLATION).
  4. Disconnect the tie-rod end ball joints from the steering knuckles. (See FRONT CROSSMEMBER REMOVAL/INSTALLATION).
  5. Disconnect the front lower arm ball joint from the steering knuckles. (See FRONT LOWER ARM REMOVAL/INSTALLATION).
  6. Disconnect the stabilizer control links from the front shock absorbers. (See FRONT SHOCK ABSORBER AND COIL SPRING REMOVAL/INSTALLATION).
  7. Disconnect the drive shaft from the transaxle. (See DRIVE SHAFT REMOVAL/INSTALLATION).
  8. Remove the joint shaft. (See JOINT SHAFT REMOVAL/INSTALLATION).

5. Install the SST (49 C017 5A0, 49 UN30 3050) using the following procedure.

CAUTION:

  1. Set the bracket and vacuum pipe out of the way to prevent interference with the SST as shown in the figure.

Mazda 2. AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION

CAUTION:

  1. Using the bolts part number 99794 1025 or M10

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