Mazda Protege 5. Manual - part 176

CONTROL SYSTEM [FS]

01–40B–13

01–40B

Terminal voltage table (Reference)

Terminal

Signal

Connected to

Test condition

Voltage 

(V)

Action

1*

1

Shift solenoid E 
control

Shift solenoid E

Idle (P position)

Below 1.0

•

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

•

Inspect related 
harness

1 range (1GR)

B+

2

MIL control

MIL (in instrument 
cluster)

Ignition switch ON

Below 1.0

•

Inspect MIL

•

Inspect related 
harness

Idle

B+

3

—

—

—

—

—

4

B+ monitor

Battery

Under any condition

B+

•

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

•

Inspect EGI fuse

•

Inspect related 
harness

5

Diagnostic test 
mode

DLC terminal TEN

Ignition switch 
ON

Open terminal 
TEN

B+

•

Inspect related 
harness

Short to ground 
terminal TEN

Below 1.0

6

Clutch operation 
(MTX)

Clutch switch

Clutch pedal depressed

Below 1.0

•

Inspect clutch switch
(See 01–40B–42 
CLUTCH SWITCH 
INSPECTION [FS])

•

Inspect related 
harness

Clutch pedal released

B+

D range (ATX)

TR switch 
(terminal G)

Ignition switch 
ON

Selector lever is 
at D range

B+

•

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

•

Inspect related 
harness

Selector lever is 
at other than D 
range

Below 1.0

7*

1

1 range

TR switch 
(terminal E)

Ignition switch 
ON

Selector lever is 
at 1 range

B+

•

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

•

Inspect related 
harness

Selector lever is 
at other then 1 
range

Below 1.0

8

—

—

—

—

—

9*

1

2 range

TR switch 
(terminal F)

Ignition switch 
ON

Selector lever is 
at 2 range

B+

•

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

•

Inspect related 
harness

Selector lever is 
at other then 2 
range

Below 1.0

10

—

—

—

—

—

11

—

—

—

—

—

12

—

—

—

—

—

13

EPROM flashing

DLC-2 terminal 
FEPS

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

•

Inspect related 
harness

14

—

—

—

—

—

15

—

—

—

—

—

16

—

—

—

—

—

17

—

—

—

—

—

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CONTROL SYSTEM [FS]

01–40B–14

18

CDCV control

CDCV

Ignition switch ON

B+

•

Inspect CDCV
(See 01–16–10 
CANISTER DRAIN 
CUT VALVE (CDCV) 
INSPECTION)

•

Inspect related 
harness

Diagnosis executed (while 
on-board device control is carried 
out)

Below 1.0

19

VICS control

VICS solenoid 
valve

Engine speed: above 4,750 rpm

B+

•

Inspect VICS solenoid 
valve
(See 01–13B–12 
VARIABLE INERTIA 
CHARGING SYSTEM 
(VICS) SOLENOID 
VALVE INSPECTION 
[FS])

•

Inspect related 
harness

Engine speed: below4,750 rpm

Below 1.0

20

—

—

—

—

—

21

NE (+)

CKP sensor

•

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

•

Inspect CKP sensor
(See 01–40B–32 
CRANKSHAFT 
POSITION (CKP) 
SENSOR 
INSPECTION [FS])

•

Inspect related 
harness

22

NE (–)

CKP sensor

•

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

•

Inspect CKP sensor
(See 01–40B–32 
CRANKSHAFT 
POSITION (CKP) 
SENSOR 
INSPECTION [FS])

•

Inspect related 
harness

23*

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

24

GND

GND

Under any condition

Below 1.0

•

Inspect related 
harness

25

—

—

—

—

—

26

IGT1

Ignition coil (No. 1, 
4 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

27*

1

Shift solenoid D 
control

Shift solenoid D

Idle

Selector lever is 
at P, N position 
and 1 range

B+

•

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

•

Inspect related 
harness

Others

Below 1.0

28*

1

Vehicle speed 
output

Speedometer (in 
instrument cluster)

•

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

•

Inspect speedometer
(See 09–22–4 
Speedometer)

•

Inspect related 
harness

Terminal

Signal

Connected to

Test condition

Voltage 

(V)

Action

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CONTROL SYSTEM [FS]

01–40B–15

01–40B

29*

1

O/D OFF signal

O/D OFF switch

Ignition switch 
ON

O/D OFF switch 
pushed

Below 1.0

•

Inspect O/D OFF 
switch
(See 05–17–19 O/D 
OFF SWITCH 
INSPECTION)

•

Inspect related 
harness

O/D OFF switch 
released

B+

30

Generator output 
voltage

Generator 
(terminal P)

•

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

31

PSP

PSP switch

Ignition switch ON

B+

•

Inspect PSP switch
(See 01–40B–44 
POWER STEERING 
PRESSURE (PSP) 
SWITCH 
INSPECTION [FS])

•

Inspect power 
steering system

•

Inspect related 
harness

Idle

Steering wheel 
at straight 
ahead position

B+

While turning 
steering wheel

Below 1.0

32*

1

R position

TR switch 
(terminal C)

Ignition switch 
ON

Selector lever is 
at R position

B+

•

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

•

Inspect related 
harness

Selector lever is 
at other then R 
position

Below 1.0

33

—

—

—

—

—

34

BARO/EGR boost

EGR boost sensor

Ignition switch ON (Barometric 
pressure at 102 kPa 
{765 mmHg, 30 inHg})

Approx. 

4.0

•

Inspect EGR boost 
sensor
(See 01–40B–39 EGR 
BOOST SENSOR 
INSPECTION [FS])

•

Inspect related 
harness

35

Catalytic converter 
efficiency

HO2S (Rear)

Ignition switch ON

Below 1.0

•

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

•

Inspect related 
harness

Idle

Engine cold

Approx. 0

After warm up

0.1—0.9

36

—

—

—

—

—

37*

1

TFT

TFT sensor

Ignition switch 
ON

TFT 20 

°

C 

{68 

°

F}

3—4

•

Inspect TFT sensor
(See 05–17–25 
TRANSAXLE FLUID 
TEMPERATURE 
(TFT) SENSOR 
INSPECTION)

•

Inspect related 
harness

TFT 130 

°

C 

{266 

°

F}

0.2—0.7

38

ECT

ECT sensor

Ignition switch 
ON

ECT 20 

°

C 

{68 

°

F}

2.9—3.1

•

Inspect ECT sensor
(See 01–40B–31 
ENGINE COOLANT 
TEMPERATURE 
(ECT) SENSOR 
INSPECTION [FS])

•

Inspect related 
harness

After warm up

0.2—1.0

Terminal

Signal

Connected to

Test condition

Voltage 

(V)

Action

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CONTROL SYSTEM [FS]

01–40B–16

39

IAT

IAT sensor 
(integrated with 
MAF sensor)

Ignition switch 
ON

IAT 20 

°

C 

{68 

°

F}

2.3—2.4

•

Inspect IAT sensor
(See 01–40B–27 
INTAKE AIR 
TEMPERATURE 
(IAT) SENSOR 
INSPECTION [FS])

•

Inspect related 
harness

IAT 30 

°

C 

{86 

°

F}

1.7—1.9

40

—

—

—

—

—

41

A/C on signal

Refrigerant 
pressure switch

Idle

A/C switch and 
fan switch on

Below 1.0

•

Inspect A/C switch
(See 07–40–9 
REFRIGERANT 
PRESSURE SWITCH 
INSPECTION)

•

Inspect related 
harness

A/C switch off

B+

42

Generator warning 
light control

Generator warning 
light (in instrument 
cluster)

Ignition switch ON

Below 1.0

•

Inspect generator 
warning light

•

Inspect related 
harness

Idle

B+

43*

1

O/D OFF indicator 
light signal

O/D OFF indicator 
light

Ignition switch 
ON

O/D OFF 
indicator light 
illuminates

Below 1.0

•

Inspect O/D OFF 
indicator light

•

Inspect related 
harness

O/D OFF 
indicator light 
does not 
illuminate

B+

44*

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

45

Condenser fan 
control

Condenser fan 
relay

Ignition switch ON

B+

•

Inspect condenser fan 
relay
(See 09–21–5 RELAY 
INSPECTION)

•

Inspect related 
harness

Idle

Condenser fan 
operating

Below 1.0

Others

B+

46

EGR valve #3 coil 
control

EGR valve 
(terminal B)

Ignition switch ON

B+

•

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

•

Inspect related 
harness

Idle

B+

47

Cooling fan control

Cooling fan relay

Ignition switch ON

B+

•

Inspect cooling fan 
relay
(See 09–21–5 RELAY 
INSPECTION)

•

Inspect related 
harness

Idle

Cooling fan 
operating

Below 1.0

Others

B+

48

Engine speed

Tachometer (in 
instrument 
cluster), DLC 
terminal IG–

•

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

•

Inspect tachometer
(See 09–22–4 
Tachometer)

•

Inspect related 
harness

49

—

—

—

—

—

50

—

—

—

—

—

51

GND

GND

Under any condition

Below 1.0

•

Inspect related 
harness

Terminal

Signal

Connected to

Test condition

Voltage 

(V)

Action

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