Mazda CX 7. Manual — part 140

CONTROL SYSTEM [L3 WITH TC]

01-40–3

01-40

End Of Sie

CONTROL SYSTEM DIAGRAM[L3 WITH TC]

id014039800300

End Of Sie

7

HO2S
(See01-40-37 HEATED OXYGEN SENSOR (HO2S)
REMOVAL/INSTALLATION[L3 WITH TC].)
(See01-40-37 HEATED OXYGEN SENSOR (HO2S)
INSPECTION[L3 WITH TC].)

8

MAP/boost air temperature sensor
(See01-40-29 MANIFOLD ABSOLUTE PRESSURE
(MAP) SENSOR/BOOST AIR TEMPERATURE
SENSOR REMOVAL/INSTALLATION[L3 WITH
TC].)
(See01-40-29 MANIFOLD ABSOLUTE PRESSURE
(MAP) SENSOR INSPECTION[L3 WITH TC].)
(See01-40-31 BOOST AIR TEMPERATURE
SENSOR INSPECTION[L3 WITH TC].)

9

CMP sensor
(See01-40-45 CAMSHAFT POSITION (CMP)
SENSOR REMOVAL/INSTALLATION[L3 WITH
TC].)
(See01-40-45 CAMSHAFT POSITION (CMP)
SENSOR INSPECTION[L3 WITH TC].)

10

KS
(See01-40-47 KNOCK SENSOR (KS) REMOVAL/
INSTALLATION[L3 WITH TC].)
(See01-40-47 KNOCK SENSOR (KS)
INSPECTION[L3 WITH TC].)

11

CKP sensor
(See01-40-42 CRANKSHAFT POSITION (CKP)
SENSOR REMOVAL/INSTALLATION[L3 WITH
TC].)
(See01-40-43 CRANKSHAFT POSITION (CKP)
SENSOR INSPECTION[L3 WITH TC].)

12

Fuel pressure sensor
(See01-40-35 FUEL PRESSURE SENSOR
REMOVAL/INSTALLATION[L3 WITH TC].)
(See01-40-35 FUEL PRESSURE SENSOR
INSPECTION[L3 WITH TC].)

13

Variable swirl shutter valve switch
(See01-40-23 VARIABLE SWIRL SHUTTER VALVE
SWITCH INSPECTION[L3 WITH TC].)

HO2S (REAR)

HO2S (FRONT)

CKP SENSOR

ECT SENSOR

CMP SENSOR

FUEL PRESSURE
SENSOR

APP SENSOR

PCM

TP SENSOR

MAF/IAT SENSOR

BARO SENSOR

MAP/BOOST AIR
TEMPERATURE
SENSOR

KS

: TO PCM

VARIABLE SWIRL
SHUTTER VALVE SWITCH

acxuuw00000131

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CONTROL SYSTEM [L3 WITH TC]

01-40–4

CONTROL SYSTEM WIRING DIAGRAM[L3 WITH TC]

id014039800400

a

a

f

b

b

b

b

c

c

d

e

1BE

1P

1BA

1AY

1AK

1AR

1AV

1AZ

1M

1Y

1Q

2BG

2BB

2BH

2BD

2BC

2BF

2BE

2AZ

1BF

1AX

1AE

1AO

2Q

2C

2D

2N

2I

2R

2P

2M

2Z

2Y

2X

2W

2S

1B

1R

1K

1I

1H

1AW

1AJ

1AC

2AY

2AH

2AV

2AG

2AD

2AC

2AU

1U

1AT

1AA

1BC

PCM

MAF
SENSOR

APP
SENSOR

IAT SENSOR

FUEL PRESSURE SENSOR

ECT SENSOR

MAP
SENSOR

BOOST AIR TEMPERATURE
SENSOR

HO2S (REAR)

HO2S
(FRONT)

CKP SENSOR

CMP SENSOR

FUEL INJECTOR
NO.1

FUEL INJECTOR
NO.4

FUEL INJECTOR
NO.3

FUEL INJECTOR
NO.2

FUEL INJECTOR RELAY

HO2S HEATER (FRONT)

HO2S HEATER (REAR)

FAN CONTROL MODULE NO.1

COOLING FAN
RELAY NO.1

FAN CONTROL MODULE NO.2

COOLING FAN
RELAY NO.2

A/C RELAY

FUEL PUMP SPEED CONTROL RELAY

FUEL PUMP RESISTOR

FUEL PUMP RELAY

MAIN RELAY

STARTER RELAY

DRIVE-BY-WIRE-RELAY

BATTERY

IGNITION
SWITCH

acxuuw00002265

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CONTROL SYSTEM [L3 WITH TC]

01-40–5

01-40

2007 Mazda CX-7 Workshop Manual (1871–1U–06B)

End Of Sie

WM: PCM

f

d

e

b

2V

2U

1V

2T

1J

1AS

2AB

2AA

2AS

2AF

2E

2B

2A

2H

2F

2G

1AB

1AF

1AU

2AE

2AK

2AP

2AL

2AO

2AQ

2AM

2AR

2AN

1BB

1BG

1BD

1BH

2BA

2AW

2AX

2AT

2AI

2AJ

1AQ

1AM

1AI

KS

TP SENSOR

BRAKE SWITCH NO.1

BRAKE SWITCH NO.2

VARIABLE SWIRL SHUTTER VALVE SWITCH

REFRIGERANT PRESSURE SWITCH (HIGH, LOW)

REFRIGERANT PRESSURE SWITCH (MIDDLE)

PSP SWITCH

CRUISE CONTROL SWITCH

GENERATOR

CAN

EGR VALVE

EVAP SYSTEM LEAK
DETECTION PUMP

PURGE SOLENOID VALVE

WASTEGATE CONTROL
SOLENOID VALVE

VARIABLE SWIRL
SOLENOID VALVE

OCV

THROTTLE
ACTUATOR

SPILL VALVE CONTROL
SOLENOID VALVE

IGNITION COIL NO.1

IGNITION COIL NO.2

IGNITION COIL NO.3

IGNITION COIL NO.4

GENERATOR

acxuuw00002266

CONTROL SYSTEM [L3 WITH TC]

01-40–6

2007 Mazda CX-7 Workshop Manual (1871–1U–06B)

Revised 12/2006 (Ref. No. R215/06)

PCM REMOVAL/INSTALLATION[L3 WITH TC]

id014039802400

Note

• For PCM replacement, set up the M-MDS and perform the PCM configuration. (See 01-40-21 PCM

CONFIGURATION[L3 WITH TC].)

1. Disconnect the negative battery cable.
2. Remove the charge air cooler duct. (See01-13-5 INTAKE AIR SYSTEM REMOVAL/INSTALLATION[L3 WITH

TC].)

3. Remove the Battery and battery tray. (See01-17-2 BATTERY REMOVAL/INSTALLATION[L3 WITH TC].)
4. Remove the mudguard (LH).
5. Remove in the order indicated in the table.
6. When replacing the PCM on the vehicles, perform the following.

• PCM parameter reset (See09-14-11 IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY

ADDITION AND CLEARING[ADVANCED KEYLESS SYSTEM].) (See09-14-20 IMMOBILIZER SYSTEM
COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING[KEYLESS ENTRY SYSTEM].)

7. Install in the reverse order of removal.

PCM Connector Connection Note

Caution

• If the PCM connector is inserted at an

angle and the lever is moved, the
connector could be damaged. Verify that
the PCM connector is inserted straight.

End Of Sie

VIEW FROM A

2

3

1

7.8—10.8
{80—110, 69—95}

7.8—10.8
{80—110, 69—95}

7.8—10.8
{80—110, 69—95}

7.8—10.8
{80—110,
69—95}

N·m {kgf·cm, in·lbf}

A

FRONT

FRONT TIRE (LH) SIDE

acxuuw00001858

1

PCM connector

(See 01-40-6 PCM Connector Connection Note.)

2

PCM

3

PCM bracket

acxaaw00000768