Control System; Outline - Mazda Mazda6 Workshop Manual Supplement

OUTLINE

• The control system is essentially carried over from the current Mazda6 (GG), except for the following. (See
Mazda6 Training Manual 3359-1*-02C.)
Vehicle Adoption
4WD ATX model
• TCM has been adopted. Due to this the PCM terminal of ATX device has been replaced to TCM. The ATX
device information which is needed by the fuel and emission control systems is communicated to the PCM by
the controller area network (CAN).
Unleaded (RON 90 or above) model
• BARO sensor has been eliminated. Due to this the BARO factor for purge control has been eliminated.
Input Device
Item
MAF/IAT sensor
TP sensor
MAP sensor
ECT sensor
CMP sensor
CKP sensor
Knock sensor
HO2S (Front, Rear)
BARO sensor
1
Neutral switch*
1
Clutch switch*
Brake switch
PSP switch
VSS
A/C switch, refrigerant
pressure switch (high,
low pressure)
Refrigerant pressure
switch (middle
pressure)
Battery
Generation voltage
(Generator terminal P)
2
Immobilizer unit*
1
* : For MTX model
2
* : With Immobilizer system
F1–14

CONTROL SYSTEM

CONTROL SYSTEM
Signal
4WD ATX
MAF and IAT
TP
MAP
ECT
Cylinder
identification
Engine revolution
Knocking
Oxygen
concentration
BARO
Load/no load
distinction
Load/no load
distinction
Brake pedal
condition
P/S oil pump load
condition
Vehicle speed
A/C operational
A/C compressor load
Battery voltage
Generation voltage
Immobilizer system
communication
Mazda6 (GG, GY)
Unleaded
(RON 90 or
above)
×
×
×
×
×
×
×
×
×
—
×
×
×
×
×
—
×
×
—
×
×
×
—
Remark for new model
Current
model
Same as current model
Same as current model
Same as current model
Same as current model
Same as current model
Same as current model
Same as current model
Same as current model
×
Same as current model
Same as current model
Same as current model
Same as current model
Same as current model
Same as current model
×
Same as current model
Same as current model
Same as current model
×
Same as current model
A6E394018880201
×:Applicable
—: Not applicable
—