Mazda Protege 5. Manual — part 177

CONTROL SYSTEM [FS]

01–40B–17

01–40B

52

IGT2

Ignition coil (No. 2,
3 cylinders)

•

Inspect using the wave profile.
(See 01–40B–22 Inspection Using An
Oscilloscope (Reference))

•

Inspect ignition coil
(See 01–18–2
IGNITION COIL
INSPECTION)

•

Inspect related
harness

53

Generator field coil
control

Generator
(terminal D)

•

Inspect using the wave profile.
(See 01–40B–22 Inspection Using An
Oscilloscope (Reference))

•

Inspect generator
(See 01–17–3
GENERATOR
INSPECTION)

•

Inspect related
harness

54

IAC (+)

IAC valve

Ignition switch ON

B+

•

Inspect IAC valve
(See 01–13B–8 IDLE
AIR CONTROL (IAC)
VALVE INSPECTION
[FS])

•

Inspect related
harness

Idle (After warm up and E/L off)

B+

55

Back-up power
supply

Battery (positive
terminal)

Under any condition

B+

•

Inspect battery
(See 01–17–1
BATTERY
INSPECTION)

•

Inspect EGI fuse

•

Inspect related
harness

56

EGR valve #4 coil
control

EGR valve
(terminal F)

Ignition switch ON

Below 1.0

•

Inspect EGR valve
(See 01–16–15 EGR
VALVE
INSPECTION)

•

Inspect related
harness

Idle

Below 1.0

57

Knocking

Knock sensor (+)

Ignition switch ON (Use digital
type voltmeter, because
measurement voltage will be
detected less than true voltage
when using analog type
voltmeter)

Below 1.0

•

Inspect knock sensor
(See 01–40B–36
KNOCK SENSOR
INSPECTION [FS]

•

Inspect related
harness

58

Vehicle speed

Speedometer
(MTX)

•

Inspect using the wave profile.
(See 01–40B–22 Inspection Using An
Oscilloscope (Reference))

•

Inspect VSS
(See 09–22–4
Speedometer)

•

Inspect related
harness

VSS (ATX)

•

Inspect VSS
(See 05–17–27
VEHICLE
SPEEDOMETER
SENSOR (VSS)
INSPECTION [ATX])

•

Inspect related
harness

59

Knocking

Knock sensor (-)

Ignition switch ON (Use digital
type voltmeter, because
measurement voltage will be
detected less than true voltage
when using analog type
voltmeter)

Below 1.0

•

Inspect knock sensor
(See 01–40B–36
KNOCK SENSOR
INSPECTION [FS]

•

Inspect related
harness

60

HO2S (Front)

HO2S (Front)

Ignition switch ON

0—1.0

•

Inspect HO2S (Front)
(See 01–40B–37
HO2S (Front and
Rear) Voltage
Inspection)

•

Inspect related
harness

Idle

After warm up

0—1.0

Acceleration

0.5—1.0

Deceleration

0—0.5

61

—

—

—

—

—

Terminal

Signal

Connected to

Test condition

Voltage

(V)

Action

1712-1U-01G(01-40B).fm 17 ページ ２００１年６月２９日 金曜日 午前９時５１分

CONTROL SYSTEM [FS]

01–40B–18

62

Fuel tank pressure

Fuel tank pressure
sensor

Ignition switch
ON

Fuel tank
pressure 0 kPa
{0 mmHg,
0 inHg}

Approx.

2.5

•

Inspect fuel tank
pressure sensor
(See 01–40B–40
FUEL TANK
PRESSURE
SENSOR
INSPECTION [FS])

•

Inspect related
harness

Fuel tank
pressure 1 kPa
{7.5 mmHg,
0.3 inHg}

Approx.

2.8

63

Fuel tank level

Fuel gauge
sender unit

Full fuel

0.2—0.5

•

Inspect fuel gauge
sender unit
(See 09–22–4 Fuel
Gauge)

•

Inspect related
harness

Half fuel

2.0—2.8

Empty fuel

3.4—4.4

64

Neutral position
(MTX)

Neutral switch

Shift lever is at neutral position

Below 1.0

•

Inspect neutral switch
(See 01–40B–43
NEUTRAL SWITCH
INSPECTION [FS])

•

Inspect related
harness

Shift lever is not at neutral
position

B+

Load/no load signal
(ATX)

TR switch
(terminal H)

Ignition switch
ON

Selector lever is
at P or N
position

Below 1.0

•

Inspect TR switch
(See 05–17–20
TRANSAXLE RANGE
(TR) SWITCH
INSPECTION)

•

Inspect related
harness

Others

B+

65

—

—

—

—

—

66

—

—

—

—

—

67

Purge control

Purge solenoid
valve

•

Inspect using the wave profile.
(See 01–40B–22 Inspection Using An
Oscilloscope (Reference))

•

Inspect purge
solenoid valve
(See 01–16–12
PURGE SOLENOID
VALVE
INSPECTION)

•

Inspect related
harness

68

EGR valve #1 coil
control

EGR valve
(terminal E)

Ignition switch ON

Below 1.0

•

Inspect EGR valve
(See 01–16–15 EGR
VALVE
INSPECTION)

•

Inspect related
harness

Idle

Below 1.0

69

—

—

—

—

—

70

—

—

—

—

—

71

Power supply

Main relay

Ignition switch ON

B+

•

Inspect main relay
(See 09–21–5 RELAY
INSPECTION)

•

Inspect EGI fuse

•

Inspect related
harness

Ignition switch OFF

Below 1.0

72

EGR valve #2 coil
control

EGR valve
(terminal A)

Ignition switch ON

B+

•

Inspect EGR valve
(See 01–16–15 EGR
VALVE
INSPECTION)

•

Inspect related
harness

Idle

B+

73

VTCS control

VTCS solenoid
valve

ECT above 67.5

°

C {154

°

F}

while idling

B+

•

Inspect VTCS
solenoid valve
(See 01–13B–15
VARIABLE TUMBLE
CONTROL SYSTEM
(VTCS) SOLENOID
VALVE INSPECTION
[FS])

•

Inspect related
harness

ECT below 67.5

°

C {154

°

F} and

engine speed below 3,250 rpm

Below 1.0

Terminal

Signal

Connected to

Test condition

Voltage

(V)

Action

1712-1U-01G(01-40B).fm 18 ページ ２００１年６月２９日 金曜日 午前９時５１分

CONTROL SYSTEM [FS]

01–40B–19

01–40B

74

Fuel injection (#3)

Fuel injector No.3

•

Inspect using the wave profile.
(See 01–40B–22 Inspection Using An
Oscilloscope (Reference))

•

Inspect fuel injector
No.3
(See 01–14–24 FUEL
INJECTOR
INSPECTION)

•

Inspect related
harness

75

Fuel injection (#1)

Fuel injector No.1

•

Inspect using the wave profile.
(See 01–40B–22 Inspection Using An
Oscilloscope (Reference))

•

Inspect fuel injector
No.1
(See 01–14–24 FUEL
INJECTOR
INSPECTION)

•

Inspect related
harness

76

GND

GND

Under any condition

Below 1.0

•

Inspect related
harness

77

GND

GND

Under any condition

Below 1.0

•

Inspect related
harness

78

—

—

—

—

—

79

K-LINE (serial
communication)

DLC terminal KLN

Because this terminal is for serial
communication, good/no good judgment by
terminal voltage is not possible.

•

Inspect related
harness

80

Fuel pump control

Fuel pump relay

Ignition switch ON

B+

•

Inspect fuel pump
relay
(See 09–21–5 RELAY
INSPECTION)

•

Inspect related
harness

Cranking

Below 1.0

Idle

Below 1.0

81*

1

Pressure control
solenoid control (–)

Pressure control
solenoid

•

Inspect using the wave profile.
(See 01–40B–22 Inspection Using An
Oscilloscope (Reference))

•

Inspect pressure
control solenoid
(See 05–17–28
SOLENOID VALVES
INSPECTION)

•

Inspect related
harness

82*

1

Shift solenoid A
control

Shift solenoid A

•

Inspect using the wave profile.
(See 01–40B–22 Inspection Using An
Oscilloscope (Reference))

•

Inspect shift solenoid
A
(See 05–17–28
SOLENOID VALVES
INSPECTION)

•

Inspect related
harness

83

IAC (-)

IAC valve

•

Inspect using the wave profile.
(See 01–40B–22 Inspection Using An
Oscilloscope (Reference))

•

Inspect IAC valve
(See 01–13B–8 IDLE
AIR CONTROL (IAC)
VALVE INSPECTION
[FS])

•

Inspect related
harness

84*

1

Input/turbine speed
(+)

Input/turbine
speed sensor

•

Inspect using the wave profile.
(See 01–40B–22 Inspection Using An
Oscilloscope (Reference))

•

Inspect input/turbine
speed sensor
(See 05–17–26
INPUT/TURBINE
SPEED SENSOR
INSPECTION)

•

Inspect related
harness

85

SGC(+)

CMP sensor

•

Inspect using the wave profile.
(See 01–40B–22 Inspection Using An
Oscilloscope (Reference))

•

Inspect CMP sensor
(See 01–40B–35
CAMSHAFT
POSITION (CMP)
SENSOR
INSPECTION [FS])

•

Inspect related
harness

Terminal

Signal

Connected to

Test condition

Voltage

(V)

Action

1712-1U-01G(01-40B).fm 19 ページ ２００１年６月２９日 金曜日 午前９時５１分

CONTROL SYSTEM [FS]

01–40B–20

86

SGC(-)

CMP sensor

•

Inspect using the wave profile.
(See 01–40B–22 Inspection Using An
Oscilloscope (Reference))

•

Inspect CMP sensor
(See 01–40B–35
CAMSHAFT
POSITION (CMP)
SENSOR
INSPECTION [FS])

•

Inspect related
harness

87

—

—

—

—

—

88

MAF

MAF sensor

Ignition switch ON

0.9—2.0

•

Inspect MAF sensor
(See 01–40B–28
MASS AIR FLOW
(MAF) SENSOR
INSPECTION [FS])

•

Inspect related
harness

Idle

1.7—2.4

89

Throttle position

TP sensor

Ignition switch
ON

CTP

0.1—1.1

•

Inspect TP sensor
(See 01–40B–29
THROTTLE
POSITION (TP)
SENSOR
INSPECTION [FS])

•

Inspect related
harness

WOT

3.0—4.6

90

Constant voltage
(Vref)

TP sensor, EGR
boost sensor, Fuel
tank pressure
sensor

Ignition switch ON

Approx.

5.0

•

Inspect related
harness

91

Sensor GND

ECT sensor, IAT
sensor, EGR
boost sensor, Fuel
tank pressure
sensor, TP
sensor, HO2S
(Front, Rear), TFT
sensor

Under any condition

Below 1.0

•

Inspect related
harness

92

Brake

Brake switch

Brake pedal depressed

B+

•

Inspect brake switch
(See 04–11–5 BRAKE
SWITCH
INSPECTION)

•

Inspect related
harness

Brake pedal released

Below 1.0

93

HO2S (Rear) heater
control

HO2S (Rear)

Idle

ECT above
70

°

C {158

°

F}

Below 1.0

•

Inspect HO2S (Rear)
(See 01–40B–38
HO2S Heater (Front
and Rear) Resistance
Inspection)

•

Inspect related
harness

HO2S (Rear) is
malfunctioning

B+

94

HO2S (Front)
heater control

HO2S (Front)

Ignition switch ON (engine
stopped)

B+

•

Inspect HO2S (Front)
heater.
(See 01–40B–38
HO2S Heater (Front
and Rear) Resistance
Inspection)

•

Inspect related
harness

Approx. 15 s after engine start
with ECT 20—30

°

C {68—86

°

F}

Below 1.0

Others

Below 1.0

⇔

B+

95

PRC

PRC solenoid
valve

Ignition switch ON

B+

•

Inspect PRC solenoid
valve
(See 01–14–31 PRC
SOLENOID VALVE
INSPECTION)

•

Inspect related
harness

After hot start

Below 1.0

Terminal

Signal

Connected to

Test condition

Voltage

(V)

Action

1712-1U-01G(01-40B).fm 20 ページ ２００１年６月２９日 金曜日 午前９時５１分