Mazda Protege 5. Manual - part 177

 

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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

 

 

 

 

 

 

 

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