Manual sections Wiring diagrams
Repair manual

Engine Control System Mazda 3 BK

Step-by-step instructions on "Engine Control System" for Mazda 3 BK (2003–2006). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

Without Using the SST

Shift solenoid A signal

Shift solenoid B signal

Shift solenoid C signal

Pressure control solenoid (+) signal

Pressure control solenoid (-) signal

Vehicle speed signal (ATX)

Vehicle speed signal (MTX)

Input/turbine speed sensor (+) signal

Input/turbine speed sensor (-) signal

Cooling fan control signals

APP signal

HO2S (front) heater control signal (California emission regulation applicable model)

HO2S (front) heater control signal (except for California emission regulation applicable model)

CMP sensor signal

CKP sensor signal

OCV signal

HO2S (front) signal (except for California emission regulation applicable model)

Generator output voltage signal

Purge control signal

Generator field coil control signal

Fuel injection control

IGT1, IGT2, IG3, IG4 control signals

Using SST (WDS or Equivalent)

Open circuit

Short circuit

California Emission Regulation Applicable Model

Except for California Emission Regulation Applicable Model