Mazda Protege 5. Manual — part 173

CONTROL SYSTEM [FS]

01–40B–1

01–40B

01–40B CONTROL SYSTEM [FS]

CONTROL SYSTEM COMPONENT

LOCATION INDEX [FS] . . . . . . . . . . . . 01–40B–2

CONTROL SYSTEM DIAGRAM [FS] . . . 01–40B–4
CONTROL SYSTEM WIRING

DIAGRAM [FS] . . . . . . . . . . . . . . . . . . . 01–40B–5

PCM REMOVAL/INSTALLATION [FS]. . 01–40B–7
PCM INSPECTION [FS] . . . . . . . . . . . . . 01–40B–7

PCM Inspection Using the SST

(WDS or equivalent). . . . . . . . . . . . . . 01–40B–7

PCM Inspection Using the SST

(104 Pin Breakout Box) . . . . . . . . . . . 01–40B–12

Inspection Using An Oscilloscope

(Reference) . . . . . . . . . . . . . . . . . . . . 01–40B–22

INSPECTION USING AN OSCILLOSCOPE

(REFERENCE) [FS]. . . . . . . . . . . . . . . . 01–40B–26

Purpose . . . . . . . . . . . . . . . . . . . . . . . . 01–40B–26
When Normal . . . . . . . . . . . . . . . . . . . . 01–40B–26
When Plunger Stuck . . . . . . . . . . . . . . 01–40B–26

INTAKE AIR TEMPERATURE (IAT)

SENSOR INSPECTION [FS] . . . . . . . . . 01–40B–27

Resistance Inspection . . . . . . . . . . . . . 01–40B–27
Circuit Open/Short Inspection . . . . . . . 01–40B–27

MASS AIR FLOW (MAF) SENSOR

INSPECTION [FS] . . . . . . . . . . . . . . . . . 01–40B–28

Circuit Open/Short Inspection . . . . . . . 01–40B–28

THROTTLE POSITION (TP) SENSOR

INSPECTION [FS] . . . . . . . . . . . . . . . . . 01–40B–29

Resistance Inspection . . . . . . . . . . . . . 01–40B–29
Circuit Open/Short Inspection . . . . . . . 01–40B–30

ENGINE COOLANT TEMPERATURE (ECT)

SENSOR REMOVAL/INSTALLATION
[FS] . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01–40B–30

ENGINE COOLANT TEMPERATURE (ECT)

SENSOR INSPECTION [FS] . . . . . . . . . 01–40B–31

ECT Sensor Resistance Inspection . . . 01–40B–31
Circuit Open/Short Inspection . . . . . . . 01–40B–32

CRANKSHAFT POSITION (CKP) SENSOR

INSPECTION [FS] . . . . . . . . . . . . . . . . . 01–40B–32

Air Gap Inspection. . . . . . . . . . . . . . . . . 01–40B–32
Resistance Inspection . . . . . . . . . . . . . . 01–40B–33
Circuit Open/Short Inspection . . . . . . . . 01–40B–33

CRANKSHAFT POSITION (CKP) SENSOR

REMOVAL/INSTALLATION [FS] . . . . . . 01–40B–34

CAMSHAFT POSITION (CMP) SENSOR

REMOVAL/INSTALLATION [FS] . . . . . . 01–40B–34

CAMSHAFT POSITION (CMP) SENSOR

INSPECTION [FS] . . . . . . . . . . . . . . . . . 01–40B–35

Resistance Inspection . . . . . . . . . . . . . . 01–40B–35
Circuit Open/Short Inspection . . . . . . . . 01–40B–35

KNOCK SENSOR INSPECTION [FS] . . . 01–40B–36

Resistance Inspection . . . . . . . . . . . . . . 01–40B–36
Circuit Open/Short Inspection . . . . . . . . 01–40B–36

KNOCK SENSOR

REMOVAL/INSTALLATION [FS] . . . . . . 01–40B–37

HEATED OXYGEN SENSOR (HO2S)

INSPECTION [FS] . . . . . . . . . . . . . . . . . 01–40B–37

HO2S (Front and Rear) Voltage

Inspection . . . . . . . . . . . . . . . . . . . . . . 01–40B–37

HO2S Heater (Front and Rear)

Resistance Inspection . . . . . . . . . . . . . 01–40B–38

EGR BOOST SENSOR

INSPECTION [FS] . . . . . . . . . . . . . . . . . 01–40B–39

Circuit Open/Short Inspection . . . . . . . . 01–40B–40

FUEL TANK PRESSURE SENSOR

INSPECTION [FS] . . . . . . . . . . . . . . . . . 01–40B–40

Circuit Open/Short Inspection . . . . . . . . 01–40B–41

CLUTCH SWITCH INSPECTION [FS] . . . 01–40B–42

Circuit Open/Short Inspection . . . . . . . . 01–40B–42

NEUTRAL SWITCH INSPECTION [FS] . . 01–40B–43

Circuit Open/Short Inspection . . . . . . . . 01–40B–43

POWER STEERING PRESSURE (PSP)

SWITCH INSPECTION [FS] . . . . . . . . . . 01–40B–44

Continuity Inspection. . . . . . . . . . . . . . . 01–40B–44
Circuit Open/Short Inspection . . . . . . . . 01–40B–44

End of Toc

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

CONTROL SYSTEM [FS]

01–40B–2

CONTROL SYSTEM COMPONENT LOCATION INDEX [FS]

A3U014018881W01

Engine compartment side

.

Z3U0140W101

1

PCM
(See 01–40B–7 PCM REMOVAL/INSTALLATION
[FS].)
(See 01–40B–7 PCM INSPECTION [FS])

2

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

3

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

4

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

5

Engine coolant temperature (ECT) sensor
(See 01–40B–30 ENGINE COOLANT
TEMPERATURE (ECT) SENSOR REMOVAL/
INSTALLATION [FS])
(See 01–40B–31 ENGINE COOLANT
TEMPERATURE (ECT) SENSOR INSPECTION
[FS])

6

Crankshaft position (CKP) sensor
(See 01–40B–32 CRANKSHAFT POSITION (CKP)
SENSOR INSPECTION [FS])
(See 01–40B–34 CRANKSHAFT POSITION (CKP)
SENSOR REMOVAL/INSTALLATION [FS])

7

Main relay
(See 09–21–5 RELAY INSPECTION)

8

Camshaft position (CMP) sensor
(See 01–40B–34 CAMSHAFT POSITION (CMP)
SENSOR REMOVAL/INSTALLATION [FS])
(See 01–40B–35 CAMSHAFT POSITION (CMP)
SENSOR INSPECTION [FS])

9

Heated oxygen sensor (front)
(See 01–40B–37 HEATED OXYGEN SENSOR
(HO2S) INSPECTION [FS])

10

Heated oxygen sensor (rear)
(See 01–40B–37 HEATED OXYGEN SENSOR
(HO2S) INSPECTION [FS])

11

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

12

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

13

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

14

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

1712-1U-01G(01-40B).fm 2 ページ ２００１年６月２９日 金曜日 午前９時５１分

CONTROL SYSTEM [FS]

01–40B–3

01–40B

Fuel tank side

.

End Of Sie

15

Knock sensor
(See 01–40B–36 KNOCK SENSOR INSPECTION
[FS])

Z3U0140W002

1

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

1712-1U-01G(01-40B).fm 3 ページ ２００１年６月２９日 金曜日 午前９時５１分

CONTROL SYSTEM [FS]

01–40B–4

CONTROL SYSTEM DIAGRAM [FS]

A3U014018881W02

End Of Sie

Z3U0140W102

1712-1U-01G(01-40B).fm 4 ページ ２００１年６月２９日 金曜日 午前９時５１分