Mazda CX 7. Manual — part 144

CONTROL SYSTEM [L3 WITH TC]

01-40–17

01-40

PID/DATA monitor table (reference)

Monitor item

(Definition)

Unit/

Condition

Condition/Specification

(Reference)

Inspection item

PCM

terminal

AAT (Ambient air
temperature)

°C

°F

Ignition switch to the ON position:
Indicate the ambient air temperature

• MAF/IAT sensor

1M

AC_REQ (Refrigerant
pressure switch (high,
low))

On/Off

Refrigerant pressure is more than
the specification or less than the
specification. (Refrigerant pressure
switch (high, low) is off.): Off
Except above: On

• Refrigerant pressure switch (high,

low)

1AU

ACCS (A/C relay)

On/Off

A/C relay is ON: On
A/C relay is OFF: Off

• The following PIDs:

— RPM, TP, ECT

• A/C relay

1I

AFR (Air/fuel ratio)

—

Target air-oil ratio is displayed

• HO2S

2Q

2Z

2AC
2AD

AFR_ACT (Actual air/
fuel ratio)

—

Actual air-oil ratio is displayed

• HO2S

2Q

2Z

2AC
2AD

ALTF (Generator field
coil control duty value)

%

Ignition switch to the ON position:
0%
Idle: 0— 100%
Just after A/C switch ON and fan
switch ON at idle: Duty value rises

• The following PIDs:

— IAT, ECT, RPM, VPWR, ALTT V

• Generator

2AI

ALTT V (Generator
output voltage)

V

Idle (no E/L): Approx. 14 V (This is
an internal calculation value and
differs from the terminal voltage.)

• Generator

2AJ

APP (Accelerator pedal
position)

%

Accelerator pedal is released: 0%
Accelerator pedal is depressed:
100%

• The following PIDs:

— APP1, APP2

• APP sensor

1Y

1AC

APP1 (Accelerator
pedal position)

%

Accelerator pedal is released:
31.0— 32.4%
Accelerator pedal is depressed:
69.8— 81.8%

• APP sensor

1Y

V

Accelerator pedal is released:
1.56— 1.65 V
Accelerator pedal is depressed:
3.65— 3.93 V

APP2 (Accelerator
pedal position)

%

Accelerator pedal is released:
20.2— 21.4%
Accelerator pedal is depressed:
58.8— 70.8%

• APP sensor

1AC

V

Accelerator pedal is released:
1.01— 1.10 V
Accelerator pedal is depressed:
3.10— 3.38 V

ARPMDES (Target
engine speed)

RPM

Shift position: P or N

— No load: 700 rpm

— E/L operating: 700 rpm

— P/S operating: 700 rpm

— A/C ON: 700 rpm

• The following PIDs:

— IAT, RPM, MAP, ECT, MAF, TP,

INGEAR, PSP, ALTT V

• CKP sensor

—

BARO (Barometric
pressure)

kPa, Bar, psi

Ignition switch is ON at sea level:
Approx. 101 kPa {1.01 Bar, 14.6psi}

• BARO sensor

—

V

Ignition switch is ON at sea level:
Approx. 4.0 V

BAT

°C

Boost air temperature is displayed

• MAP/boost air temperature

sensor

2N

BAT_V

V

Boost air temperature 20

°C {68 °F}:

2.4— 2.6 V

• MAP/boost air temperature

sensor

2N

Boost air temperature 30

°C {86 °F}:

1.7— 1.9 V

BOO
(Brake switch)

On/Off

Brake pedal depressed: On
Brake pedal released: Off

• Brake switch No.1/No.2

1AB
1AF

1871-1U-06B(01-40).fm 17 ページ ２００６年３月１５日 水曜日 午前１０時５３分

CONTROL SYSTEM [L3 WITH TC]

01-40–18

BPA
(Brake pressure
applied switch)

On/Off

Brake pedal depressed: On
Brake pedal released: Off

• Brake switch No.1/No.2

1AB
1AF

CATT11_DSD
(Estimated catalytic
converter temperature)

°C

°F

Indicate the estimated catalytic
converter temperature

• Perform applicable DTC

troubleshooting.

—

CHRGLP (Generator
warning light)

On/Off

Ignition switch to the ON position:
On
Idle: Off

• Perform applicable DTC

troubleshooting.

—

COLP (Refrigerant
pressure switch
(middle))

ON/OFF

Refrigerant pressure is more than
the specification. (Refrigerant
pressure switch (middle) is on.): On
Refrigerant pressure is less than the
specification. (Refrigerant pressure
switch (middle) is off.): Off

• Refrigerant pressure switch

(middle)

1J

DTCCNT (Number of
DTC detected)

—

Indicates number of DTC

• Perform applicable DTC

troubleshooting.

—

ECT (Engine coolant
temperature)

°C

°F

Ignition switch to the ON position:
Indicate the ECT

• ECT sensor

2AH

V

ECT 20

°C {68 °F}: 3.04— 3.14 V

ECT 60

°C {140 °F}: 1.29— 1.39 V

EQ_RAT11
(Equivalence ratio
(lambda))

—

Idling after warm-up: Approx. 1

• Perform applicable DTC

troubleshooting.

—

EQ_RAT11_DSD
(Front oxygen sensor)

—

Idling after warm-up: Approx. 1

• Perform applicable DTC

troubleshooting.

—

ETC_ACT (Electronic
throttle control actual)

°

Indicate the desired TP by angle

• Perform applicable DTC

troubleshooting.

2AK

2AL

ETC_DSD (Electronic
throttle control desired)

%

Indicate the desired TP by percent

• The following PIDs:

— APP1, APP2, ETC_ACT

• TP sensor

2AK

2AL

°

Indicate the desired TP by angle

EVAPCP (Purge
solenoid valve duty
value)

%

Ignition switch to the ON position:
0%
Idle: 0%

• The following PIDs:

— IAT, RPM, ECT, MAF,

O2S11,BARO, INGEAR,
VPWR

• Purge solenoid valve

2AB

FAN_DUTY

%

ECT less than 98

°C {208 °F}: 0%

ECT 100

°C {212 °F}: 30%

ECT 106

°C {223 °F}: 70%

ECT 110

°C {230 °F}: 100%

• Fan control module

1R

1AE

FIA (Fuel injection
amount)

—

Indicate the fuel injection amount.

• Fuel injector

• Fuel Injector relay

—

FLI
(Fuel level)

%

Fuel gauge level F: Approx. 100%
Fuel gauge level E: Approx. 0%

• Perform applicable DTC

troubleshooting.

—

FP (Fuel pump relay)

On/Off

Idle: On
Cranking: On

• The following PIDs:

— RPM

• Fuel pump relay

1H

FP_Hi_PRES

On/Off

Spill valve control solenoid valve
work: On
Spill valve control solenoid valve
don’t work: Off

• High pressure fuel pump

2F

2G

FUEL_PRES

Pa

Idle: Approx. 3 MPa
Load 60 % or more: Approx. 11.5
MPa

• Fuel pressure sensor

2R

FUEL_PRES_V

V

Ignition switch to the ON position:
Approx. 1.1 V
Idle: Approx. 1.7 V

• Fuel pressure sensor

2R

FUELPW (Fuel injector
duration)

sec

Idle: Approx. 2.0 ms

• The following PIDs:

— ECT, IAT, RPM, TP, MAF,

O2S11, O2S12, MAP, VSS,
TR, BOO, AC_REQ, COLP,
VPWR

2AZ
2BB

2BC
2BD

Monitor item

(Definition)

Unit/

Condition

Condition/Specification

(Reference)

Inspection item

PCM

terminal

1871-1U-06B(01-40).fm 18 ページ ２００６年３月１５日 水曜日 午前１０時５３分

CONTROL SYSTEM [L3 WITH TC]

01-40–19

01-40

FUELSYS
(Fuel system status)

OL/CL/

OL-Drive/

OL-Fault/

CL-Fault

Ignition switch to the ON position:
OL_Drive
Idle (after warm up): CL

• The following PIDs:

— IAT, MAF, TP, MAP, ECT, RPM,

O2S11, O2S12, INGEAR, PSP,
VPWR, ALTT V

• Fuel injector

—

GENVDSD
(Generator voltage
desired)

V

Idle: Approx. 13.83 V

*1

(E/L not

operating)

• Perform applicable DTC

troubleshooting.

—

HTR11
(HO2S heater (front))

On/Off

Idle (after warm up): On

⇔Off

• The following PIDs:

— IAT, MAF, TP, ECT, RPM

2C

HTR12
(HO2S heater (rear))

On/Off

Idle: On
Engine speed is above 4,000 rpm:
Off

• The following PIDs:

— IAT, MAF, ECT, RPM, ACSW

2D

IAT
(Intake air temperature)

°C

°F

Ignition switch to the ON position
position: Indicate the IAT

• MAF/IAT sensor

1M

V

IAT 20

°C {68 °F}: 2.4— 2.6V

IAT 30

°C {86 °F}: 1.7— 1.9V

IMRC (Variable swirl
solenoid valve)

On/Off

Engine speed is below Approx.
3,750 rpm and ECT is below 60

°C

{140

°F}: On

Others: Off

• The following PIDs:

— TP, ECT, RPM

• Variable swirl solenoid valve

2AS

INGEAR (Load/no load
condition)

On/Off

Driving range: On
Except above: Off
Others: On

• Perform applicable DTC

troubleshooting.

—

IVS (CTP condition)

Idle/

Off Idle

APP closed: Idle
Others: Off Idle

• Perform applicable DTC

troubleshooting.

2AK

2AL

KNOCKR (Knocking
retard)

°

Ignition switch to the ON position: 0

°
Idle: 0

°

• KS

2U
2V

LDP_EVAPCP (EVAP
system leak detection
pump detect incorrect
purge flow)

A

Indicate the EVAP control system
incorrect purge flow detection value

• Perform applicable DTC

troubleshooting.

—

LDP_IDL (EVAP
system leak detection
pump idle current)

A

Indicate the EVAP system leak
detection pump idle current

• Perform applicable DTC

troubleshooting.

—

LDP_MON (EVAP
system leak detection
pump monitoring
current)

A

Indicate the EVAP system leak
detection pump monitoring current

• Perform applicable DTC

troubleshooting.

—

LDP_REF (EVAP
system leak detection
pump reference
current)

A

Indicate the EVAP system leak
detection pump reference current

• Perform applicable DTC

troubleshooting.

—

LDP_SLDV (EVAP
system small leak
detection value)

A

Indicate the EVAP control system
small leak detection value

• Perform applicable DTC

troubleshooting.

—

LDP_VSL_FV

*1

(EVAP

system very small leak
detection fail value)

mA/sec

Indicate EVAP system very small
leak detection fail value

• Perform applicable DTC

troubleshooting.

—

LDP_VSL_SV

*1

(EVAP

system very small leak
detection safe value)

mA/sec

Indicate EVAP system very small
leak detection safe value

• Perform applicable DTC

troubleshooting.

—

LDP_VSLDV

*1

(EVAP

system small leak
detection value)

mA/sec

Indicate the EVAP control system
vary small leak detection value

• Perform applicable DTC

troubleshooting.

—

LOAD (Engine load)

%

Ignition switch to the ON position:
0%
Idle (after warm up): 17.1— 18.5%
Engine speed is 2,500 rpm: 14.2—
15.2

• MAF/IAT sensor

—

Monitor item

(Definition)

Unit/

Condition

Condition/Specification

(Reference)

Inspection item

PCM

terminal

1871-1U-06B(01-40).fm 19 ページ ２００６年３月１５日 水曜日 午前１０時５３分

CONTROL SYSTEM [L3 WITH TC]

01-40–20

LONGFT1 (long term
fuel trim)

%

Idle (after warm up):–14— 14%

• Perform applicable DTC

troubleshooting.

—

MAF (Mass airflow)

g/s

Ignition switch to the ON position:
Approx. 0 g/s
Idle (after warm up): 2.72— 2.94 g/s
Engine speed is 2,500 rpm: 8.00—
8.66

• MAF/IAT sensor

1AK

V

Ignition switch to the ON position:
Approx. 0.7 V
Idle (after warm up): Approx. 1.3 V

MAP (Manifold
absolute pressure)

Pa

Ignition switch to the ON position:
Indicate the atmospheric pressure

• MAP sensor

2AG

V

Ignition switch to the ON position:
Approx. 1.9 V
Idle (after warm up): Below 1.0 V

MIL (Malfunction
indicator lamp)

On/Off

Ignition switch to the ON position:
On
Idle: Off

• Perform applicable DTC

troubleshooting.

—

MIL_DIS (Traveled
distance since the MIL
illuminated)

km

mile

No DTC: 0 km {0 mile}
DTC detected: Not 0 km {0 mile}

• Perform applicable DTC

troubleshooting.

—

O2S11
(Front oxygen sensor)

A

Idle (after warm up): –1.0— 1.0 A
Deceleration (after warm up):
0.25 A or more

• HO2S (front)

2Z

2AC
2AD

O2S12
(Rear oxygen sensor)

V

Idle: 0— 1 V

• HO2S (rear)

2Q

PSP (Power steering
pressure switch)

High/Low

Steering wheel in straight ahead
position: Low
Others: High

• PSP switch

2T

RO2FT1 (Rear oxygen
sensor fuel trim)

—

• Idle after warm-up: Approx. 0.2

• The following PID

— O2S12

2Q

RPM (Engine speed)

RPM

No load: 650— 750 rpm
E/L operating: 650— 750 rpm
P/S operating: 650— 750 rpm
A/C ON: 650— 750 rpm

• CKP sensor

2W

SCCS
(Speed control
command switch)

V

Press ON/OFF: Approx. 0 V
Press CANCEL: Approx. 1.1 V
Press SET/COAST: Approx. 3.1 V
Press RES/ACCEL: Approx. 4.2 V
Others: Approx. 5.0 V

• Cruise control switch

1AQ

SEGRP
(EGR valve (stepping
motor) position)

—

Idle: 0 step
Cranking: 0— 60 steps

• The following PIDs:

— MAF, TP, ECT, RPM, VSS

• EGR valve

—

SEGRP DSD
(Desired EGR valve
(stepping motor)
position)

%

Idle: 0%

• The following PIDs:

— MAF, TP, ECT, RPM, VSS

—

SELTESTDTC
(DTC of KOEO/KOER
self-test)

— —

• Perform applicable DTC

troubleshooting.

—

SHRTFT1
(Short term fuel trim
[front HO2S])

%

Idle (after warm up): Approx.–30—
25%

• Perform applicable DTC

troubleshooting.

—

SHRTFT12
(Short term fuel trim)

%

Idle (after warm up): Approx.–30—
25%

• Perform applicable DTC

troubleshooting.

—

SPARKADV (Ignition
timing)

°(BTDC)

Idle: BTDC Approx. 10

°

• The following PIDs:

— MAF, TP, ECT, RPM, INGEAR,

PSP, ACSW, VPWR

• Ignition timing

—

test (Test mode)

On/Off

—

—

—

TIRESIZE (Tire
revolution per mile)

rev/mile

Indicate the tire circumference
length

— —

Monitor item

(Definition)

Unit/

Condition

Condition/Specification

(Reference)

Inspection item

PCM

terminal

1871-1U-06B(01-40).fm 20 ページ ２００６年３月１５日 水曜日 午前１０時５３分