Mazda 2002 6 Workshop Manual page 170

Terminal Signal
Shift solenoid E
2
3P*
control
3
HOLD*
2
3Q*
4
M range*
3R —
Shift solenoid D
2
3S*
control
2
Oil pressure
3T*
3U —
Pressure control
2
3V*
solenoid (–)
3W —
3X —
Pressure control
2
3Y*
solenoid (+)
3Z —
3AA —
HO2S (Front)
4A
heater control
4B Cooling fan control
4
VAD control
4C*
HO2S (Rear) heater
4D
control
EGR valve #1 coil
4E
control
CONTROL SYSTEM
Connected to
Detects TCC operation
Shift solenoid E
Others
Ignition switch
HOLD switch
ON
Ignition switch
M range switch
ON
—
Selector lever is at P, N position
Shift solenoid D
Others
Oil pressure switch ON
Oil pressure
switch
Oil pressure switch OFF
—
• Inspect using the wave profile.
Pressure control
(See
solenoid valve
Oscilloscope
—
—
• Inspect using the wave profile.
Pressure control
(See
solenoid valve
Oscilloscope
—
—
• Inspect using the wave profile.
HO2S (Front)
(See
heater
Oscilloscope
Cooling fan relay Idling
VAD control Ignition switch
solenoid valve ON
HO2S (Rear) Ignition switch
heater ON
Ignition switch ON
EGR valve
(terminal E)
Idle
Voltage
Test condition
Below 1.0
Below 1.0 • Inspect HOLD switch
HOLD switch
pushed
Others
Below 1.0 • Inspect M range
Manual mode
Others
—
Below 1.0
Below 1.0 • Inspect oil pressure
—
F–48–10 Inspection Using An
(Reference).)
—
—
F–48–10 Inspection Using An
(Reference).)
—
—
F–48–10 Inspection Using An
(Reference).)
ECT below 100
°C {212 °F}
A/C operating Below 1.0
Engine speed
below 5,800
rpm
Engine speed
above 5,800 Below 1.0
rpm
Engine speed
below 4,000
rpm
Engine speed
above 4,000 Below 1.0
rpm
Below 1.0 • Inspect EGR valve
Below 1.0
Action
(V)
• Inspect shift solenoid
B+
E
• Inspect related
harness
• Inspect related
harness
B+
switch
• Inspect related
B+
harness
— —
• Inspect shift solenoid
B+
D
• Inspect related
harness
switch
• Inspect related
B+
harness
— —
• Inspect pressure
control solenoid valve
• Inspect related
harness
— —
— —
• Inspect pressure
control solenoid valve
• Inspect related
harness
— —
— —
• Inspect HO2S (Front)
heater.
(See F–56 HEATED
OXYGEN SENSOR
(HO2S)
INSPECTION)
• Inspect related
harness
• Inspect cooling fan
B+
relay
• Inspect related
harness
• Inspect VAD control
B+
solenoid valve
• Inspect related
harness
• Inspect HO2S (Front)
heater.
B+
(See F–56 HEATED
OXYGEN SENSOR
(HO2S)
INSPECTION)
• Inspect related
harness
(See F–40 EGR
VALVE
INSPECTION)
• Inspect related
harness
F–48–7
F