Mazda X-5. Manual - part 33

CONTROL SYSTEM 

01–40–5

01–40

ENGINE CONTROL SYSTEM DIAGRAM [LF]

E5U014000000N03

End Of Sie

EVAP SYSTEM LEAK DETECTION PUMP

FUEL PUMP UNIT

VARIABLE INTAKE 
AIR SOLENOID 
VALVE

: TO PCM

REAR HO2S

FRONT HO2S

ECT
SENSOR

KS

CKP
SENSOR

EGR
VALVE

CMP
SENSOR

FUEL 
INJECTOR

MAP 
SENSOR

PURGE SOLENOID 
VALVE

APP SENSOR

(BARO 
SENSOR)

PCM

THROTTLE 
VALVE
ACTUATOR

TP 
SENSOR

MAF/IAT SENSOR

OCV

E5U140ZT5019

CONTROL SYSTEM 

01–40–6

ENGINE CONTROL SYSTEM WIRING DIAGRAM [LF]

E5U014000000N04

M

1N

1M

1R

1I

1H

2X

1Q

2BE

2BB

2BC

2BD

2AZ

2BG

2BH

2AD

1AX

1BF

1B

1BE

1BA

1AW

1AV

1AY

1AZ

2Q

2S

2P

2W

2Z

2V

2U

1AL

1AO

1AJ

1AP

1AS

2AG

2AV

2AU

2AH

2AB

2AQ

2AM

2AY

BATTERY

FRONT HO2S

REAR HO2S

MAP SENSOR

ECT SENSOR

CKP SENSOR

CMP SENSOR

APP SENSOR

COOLING FAN RELAY NO.1

COOLING FAN RELAY NO.2

COOLING FAN RELAY NO.3

REAR HO2S HEATER

FRONT HO2S HEATER

FUEL PUMP RELAY

FUEL INJECTOR NO.1

FUEL INJECTOR NO.2

FUEL INJECTOR NO.3

FUEL INJECTOR NO.4

A/C RELAY

MAIN RELAY

IGNITION 
SWITCH

STARTER RELAY

AT

MT

TR SWITCH

STARTER 
INTERLOCK 
SWITCH

DRIVE-BY-WIRE RELAY

KS

a

b

c

STARTER

PCM

(BUILT INTO BARO 

SENSOR)

E5U102ZW4917

CONTROL SYSTEM 

01–40–7

01–40

End Of Sie

M

1P

1AK

1AR

1AT

2AK

2AI

2C

2K

2G

2L

2H

2J

1U

2E

2B

1BD

1BH

1BB

2BA

2AW

2AX

2AT

2A

1V

2AO

2AL

2AJ

2AP

1AM

1AI

1AQ

1X

1X

1AU

1AB

1AF

1D

1J

2T

2O

a

b

c

IAT SENSOR

MAF SENSOR

TP SENSOR

CAN 
RELATED 
MODULE

GENERATOR 
TERMINAL P

CRUISE CONTROL SWITCH

TO TR SWITCH

NEUTRAL SWITCH

CPP SWITCH

VSS

REFRIGERANT PRESSURE SWITCH

BRAKE SWITCH

PSP SWITCH

GENERATOR TERMINAL D

EGR VALVE

VARIABLE INTAKE AIR SOLENOID VALVE

EVAP SYSTEM LEAK DETECTION PUMP

OCV

THROTTLE VALVE ACTUATOR

IGNITION COIL NO.1

IGNITION COIL NO.2

IGNITION COIL NO.3

IGNITION COIL NO.4

AT

MT

PURGE SOLENOID VALVE

A/C AMPLIFIER

HIGH, LOW

MIDDLE

MT WITHOUT ABS/DSC

PCM

(BUILT INTO BARO 

SENSOR)

E5U102ZW4918

CONTROL SYSTEM 

01–40–8

ENGINE CONTROL SYSTEM BLOCK DIAGRAM [LF]

E5U014000000N05

End Of Sie

IAT SENSOR

MAF SENSOR

TP SENSOR NO.1, NO.2

MAP SENSOR

CMP SENSOR

CKP SENSOR

ECT SENSOR

KS

FRONT HO2

REAR HO2S

CPP SWITCH*

1

BARO SENSOR

NEUTRAL SWITCH*

1

BRAKE SWITCH NO.1, NO.2

REFRIGERANT PRESSURE SWITCH 

(HIGH, LOW)

REFRIGERANT PRESSURE SWITCH 

(MIDDLE)

GENERATOR (TERMINAL P: 

GENERATION VOLTAGE)

BATTERY

INSTRUMENT CLUSTER

INSTRUMENT CLUSTER

(IMMOBILIZER RELATED 

INFORMATION)

THROTTLE VALVE ACTUATOR

VARIABLE INTAKE AIR 

SOLENOID  VALVE

FUEL INJECTOR

FUEL PUMP RELAY

IGNITION COIL

PURGE SORENOID VALVE

EGR VALVE

A/C RELAY

COOLING FAN RELAY NO.1

COOLING FAN RELAY NO.2

COOLING FAN RELAY NO.3

GENERATOR (TERMINAL 

D: FIELD COIL)

STARTER RELAY

PCM

VARIABLE INTAKE AIR 

CONTROL

DRIVE-BY-WIRE 

CONTROL

FUEL INJECTION CONTROL

FUEL PUMP CONTROL

ESA CONTROL

EVAPORATIVE PURGE

CONTROL

EGR CONTROL

HO2S HEATER CONTROL

A/C CUT-OFF CONTROL

ELECTRICAL FAN CONTROL

GENERATOR CONTROL

STARTER CUT-OFF CONTROL

APP SENSOR NO.1, NO.2

TR SWITCH*

2

VIECLE SPEED SIGNAL

CRUISE CONTROL SWITCH

IGNITION SWITCH

PSP SWITCH

VARIABLE VALVE TIMING 

CONTROL

OCV

*1:  MT

*2:  AT

FRONT HO2S HEATER

REAR HO2S HEATER

DSC HU/CM

ABS HU/CM

A/C AMPLIFIER

TCM*

2

MAIN RELAY 

CONTROL

CAN

MAIN RELAY

TCM

INSTRUMENT CLUSTER

ABS HU/CM  OR DSC HU/CM

E5U140ZT5017