Mazda Mazda6 Workshop Manual Supplement page 126

Terminal Signal
Refrigerant
1Q pressure switch
(middle)
Clutch operation*
1R
3
—*
1S —
1T —
1U —
1V —
Neutral position*
1W
Selector lever
11
position*
12
—*
1X —
1Y HO2S (rear)
1Z PSP
Generator output
1AA
voltage
1AB HO2S (front)
1AC A/C on signal
Generator field coil
1AD
control
2A Throttle position
2B —
2C —
F1–38
CONTROL SYSTEM
Connected to
Refrigerant
pressure switch A/C ON
(middle)
Clutch pedal depressed
2
Clutch switch
Clutch pedal released
—
—
—
—
—
Shift lever is at neutral position
2
Neutral switch
Shift lever is not at neutral
position
TR switch Ignition switch
(terminal C) ON
—
—
Ignition switch ON
HO2S (rear)
Idle (after warm up)
PSP switch Idle
Generator
(terminal P)
HO2S (front)
Refrigerant
Idle
pressure switch
Generator
(terminal D)
Ignition switch
TP sensor
ON
—
—
Test condition
Refrigerant
pressure is
above 1.52
MPa
Refrigerant
pressure is
below 1.23
MPa
—
—
—
—
—
P range
R range
N range
D range*
M range*
S range*
4
L range*
—
—
Steering wheel
at straight
ahead position
While turning
steering wheel
• Inspect using the wave profile.
(See F1–44 Inspection Using An
Oscilloscope (Reference).)
• Inspect using the wave profile.
(See F1–44 Inspection Using An
Oscilloscope (Reference).)
A/C switch and
fan switch on
A/C switch off
• Inspect using the wave profile.
(See F1–44 Inspection Using An
Oscilloscope (Reference).)
CTP
WOT
—
—
Voltage
(V)
Below 1.0
• Inspect refrigerant
pressure switch
• Inspect related
harness
B+
Below 1.0 • Inspect clutch switch
• Inspect related
B+
harness
—
—
—
—
—
Below 1.0 • Inspect neutral switch
• Inspect related
B+
harness
Approx.
4.6
Approx.
3.9
Approx.
• Inspect TR switch
3.2
• Inspect related
4
Approx.
harness
5 2.5
Approx.
4
1.7
Approx.
0.94
—
—
Approx. 0 • Inspect HO2S (rear)
• Inspect related
0—1.0
harness
• Inspect PSP switch
• Inspect power
B+
steering system
• Inspect related
Below 1.0
harness
• Inspect generator
• Inspect related
harness
• Inspect HO2S (front)
• Inspect related
harness
• Inspect refrigerant
Below 1.0
pressure switch
• Inspect related
B+
harness
• Inspect generator
• Inspect related
harness
• Inspect TP sensor
0.65—
• Inspect related
1.15
harness
4.3—4.8
—
—
Action
—
—
—
—
—
—
—
—
—