Mazda Protege 5. Manual — part 178

CONTROL SYSTEM [FS]

01–40B–21

01–40B

*

1

: ATX only

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 01–40B–22 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 01–40B–22 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 01–40B–22 Inspection Using An
Oscilloscope (Reference))

•

Inspect fuel injector
No.2
(See 01–14–24 FUEL
INJECTOR
INSPECTION)

•

Inspect related
harness

102*

1

Shift solenoid C
Control

Shift solenoid C

•

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

•

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

•

Inspect related
harness

103

GND

GND

Under any condition

Below 1.0

•

Inspect related
harness

104

—

—

—

—

—

Terminal

Signal

Connected to

Test condition

Voltage

(V)

Action

1712-1U-01G(01-40B).fm 21 ページ ２００１年６月２９日 金曜日 午前９時５１分

CONTROL SYSTEM [FS]

01–40B–22

Inspection Using An Oscilloscope (Reference)
Ne signal

•

PCM terminal: 21(+)-22(-)

•

Oscilloscope setting: 2 V/DIV(Y), 2 ms/DIV(X),
DC range

•

Vehicle condition: idle after warm up

IGT signal

•

PCM terminal:
— IGT1: 26(+)-103(-)
— IGT2: 52(+)-103(-)

•

Oscilloscope setting: 1 V/DIV(Y), 10ms/DIV(X),
DC range

•

Vehicle condition: idle after warm up

Input/turbine speed signal

•

PCM terminal: 84(+)-23(-)

•

Oscilloscope setting: 0.4 V/DIV(Y), 2.5 ms/
DIV(X), DC range

•

Vehicle condition: idle after warm up

Generator output voltage signal

•

PCM terminal: 30(+)-103(-)

•

Oscilloscope setting: 2 V/DIV(Y), 5 ms/DIV(X),
DC range

•

Vehicle condition: idle after warm up

Z3U0140W006

Z3U0140W007

Z3U0140W008

Z3U0140W009

1712-1U-01G(01-40B).fm 22 ページ ２００１年６月２９日 金曜日 午前９時５１分

CONTROL SYSTEM [FS]

01–40B–23

01–40B

Pressure control solenoid control signal
CTP

•

PCM terminal: 81(+)-103(-)

•

Oscilloscope setting: 0.5 V/DIV(Y), 0.1 ms/
DIV(X), DC range

•

Vehicle condition: ignition key at ON (Engine
OFF) and closed throttle position

WOT

•

PCM terminal: 81(+)-103(-)

•

Oscilloscope setting: 0.5 V/DIV(Y), 0.1 ms/
DIV(X), DC range

•

Vehicle condition: ignition key at ON (Engine
OFF) and wide open throttle

Engine speed signal

•

PCM terminal: 48(+)-103(-)

•

Oscilloscope setting: 2 V/DIV(Y), 20 ms/DIV(X),
DC range

•

Vehicle condition: idle after warm up

Generator field coil control signal

•

PCM terminal: 53(+)-103(-)

•

Oscilloscope setting: 0.2 V/DIV(Y), 2ms/DIV(X),
DC range

•

Vehicle condition: idle after warm up

Z3U0140W010

Z3U0140W019

Z3U0140W011

Z3U0140W012

1712-1U-01G(01-40B).fm 23 ページ ２００１年６月２９日 金曜日 午前９時５１分

CONTROL SYSTEM [FS]

01–40B–24

Vehicle speed signal

•

PCM terminal: 58(+)-103(-)

•

Oscilloscope setting: 1 V/DIV(Y), 2.5 ms/DIV(X),
DC range

•

Vehicle condition: drive the vehicle with 32 km/h
[20 mph]

Purge control signal

•

PCM terminal: 67(+)-103(-)

•

Oscilloscope setting: 4 V/DIV(Y), 20 ms/DIV(X),
DC range

•

Vehicle condition: idle after warm up

Fuel injection signal

•

PCM terminal
— No.1:75(+)-103(-)
— No.2:101(+)-103(-)
— No.3:74(+)-103(-)
— No.4:100(+)-103(-)

•

Oscilloscope setting: 2 V/DIV(Y), 5 ms/DIV(X),
DC range

•

Vehicle condition: idle after warm up

Shift solenoid A control

•

PCM terminal: 82(+)-103(-)

•

Oscilloscope setting: 5 V/DIV(Y), 5 ms/DIV(X),
DC range

•

Vehicle condition: drive in the 4th gear

Z3U0140W013

Z3U0140W014

Z3U0140W015

Z3U0140W016

1712-1U-01G(01-40B).fm 24 ページ ２００１年６月２９日 金曜日 午前９時５１分