Mazda 2002 6 - Page 170

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