Mazda Protege 5. Manual — part 166
CONTROL SYSTEM [ZM]
01–40A–17
01–40A
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
—
—
—
—
—
58
Vehicle speed
Speedometer
(MTX)
•
Inspect using the wave profile.
(See 01–40A–21 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
—
—
—
—
—
60
HO2S (Front)
HO2S (Front)
Ignition switch ON
0—1.0
•
Inspect HO2S (Front)
(See 01–40A–36
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
—
—
—
—
—
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 01–40A–40
FUEL TANK
PRESSURE SENSOR
INSPECTION [ZM])
•
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 01–40A–42
NEUTRAL SWITCH
INSPECTION [ZM])
•
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
—
—
—
—
—
Terminal
Signal
Connected to
Test condition
Voltage
(V)
Action
1712-1U-01G(01-40A).fm 17 ページ 2001年6月29日 金曜日 午前9時50分
CONTROL SYSTEM [ZM]
01–40A–18
67
Purge control
Purge solenoid
valve
•
Inspect using the wave profile.
(See 01–40A–21 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
—
—
—
—
—
74
Fuel injection (#3) Fuel injector No.3
•
Inspect using the wave profile.
(See 01–40A–21 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 01–40A–21 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 01–40A–21 Inspection Using An
Oscilloscope (Reference))
•
Inspect pressure
control solenoid
(See 05–17–28
SOLENOID VALVES
INSPECTION)
•
Inspect related
harness
Terminal
Signal
Connected to
Test condition
Voltage
(V)
Action
1712-1U-01G(01-40A).fm 18 ページ 2001年6月29日 金曜日 午前9時50分
CONTROL SYSTEM [ZM]
01–40A–19
01–40A
82*
1
Shift solenoid A
control
Shift solenoid A
•
Inspect using the wave profile.
(See 01–40A–21 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 01–40A–21 Inspection Using An
Oscilloscope (Reference))
•
Inspect IAC valve
(See 01–13A–7 IDLE
AIR CONTROL (IAC)
VALVE INSPECTION
[ZM])
•
Inspect related
harness
84*
1
Input/turbine
speed (+)
Input/turbine
speed sensor
•
Inspect using the wave profile.
(See 01–40A–21 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 01–40A–21 Inspection Using An
Oscilloscope (Reference))
•
Inspect CMP sensor
(See 01–40A–35
CAMSHAFT
POSITION (CMP)
SENSOR
INSPECTION [ZM])
•
Inspect related
harness
86
—
—
—
—
—
87
—
—
—
—
—
88
MAF
MAF sensor
Ignition switch ON
0.9—2.0
•
Inspect MAF sensor
(See 01–40A–26
MASS AIR FLOW
(MAF)/INTAKE AIR
TEMPERATURE (IAT)
SENSOR
INSPECTION [ZM])
•
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 01–40A–28
THROTTLE
POSITION (TP)
SENSOR
INSPECTION [ZM])
•
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
Terminal
Signal
Connected to
Test condition
Voltage
(V)
Action
1712-1U-01G(01-40A).fm 19 ページ 2001年6月29日 金曜日 午前9時50分
CONTROL SYSTEM [ZM]
01–40A–20
93
HO2S (Rear)
heater control
HO2S (Rear)
Idle
ECT above 70
°
C
{158
°
F}
Below
1.0
•
Inspect HO2S (Rear)
(See 01–40A–37
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 01–40A–37
HO2S Heater (Front
and Rear) Resistance
Inspection)
•
Inspect related
harness
Approx. 15 seconds 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
96
A/C control
A/C relay
Idle
A/C switch and
fan switch on
Below
1.0
•
Inspect A/C relay
(See 09–21–5 RELAY
INSPECTION)
•
Inspect related)
harness
A/C switch off
B+
97
Power supply
Main relay
Ignition switch ON
B+
•
Inspect main relay
(See 09–21–5 RELAY
INSPECTION)
•
Inspect related
harness
Ignition switch off
Below
1.0
98
EGR boost
sensor switching
control
EGR boost
solenoid valve
Ignition switch ON
B+
•
Inspect EGR boost
solenoid valve
(See 01–16–17 EGR
BOOST SENSOR
SOLENOID VALVE
INSPECTION)
•
Inspect related
harness
Idle
B+
99*
1
Shift solenoid B
control
Shift solenoid B
•
Inspect using the wave profile.
(See 01–40A–21 Inspection Using An
Oscilloscope (Reference))
•
Inspect shift solenoid B
(See 05–17–28
SOLENOID VALVES
INSPECTION)
•
Inspect related
harness
100
Fuel injection (#4) Fuel injector No.4
•
Inspect using the wave profile.
(See 01–40A–21 Inspection Using An
Oscilloscope (Reference))
•
Inspect fuel injector
No.4
(See 01–14–24 FUEL
INJECTOR
INSPECTION)
•
Inspect related
harness
101
Fuel injection (#2) Fuel injector No.2
•
Inspect using the wave profile.
(See 01–40A–21 Inspection Using An
Oscilloscope (Reference))
•
Inspect fuel injector
No.2
(See 01–14–24 FUEL
INJECTOR
INSPECTION)
•
Inspect related
harness
Terminal
Signal
Connected to
Test condition
Voltage
(V)
Action
1712-1U-01G(01-40A).fm 20 ページ 2001年6月29日 金曜日 午前9時50分
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