Mazda 2002 6 Workshop Manual page 166

Terminal Signal
1M ECT
1N —
1O —
1P MAF
Refrigerant
1Q pressure switch
(middle)
1
Clutch operation
1R*
1S —
1T —
1U —
1V —
1
Neutral position*
1W
Selector lever
2
position*
1X —
1Y HO2S (rear)
CONTROL SYSTEM
Connected to
Ignition switch
ECT sensor
ON
—
—
Ignition switch ON
MAF sensor
Idle (after warm up)
Refrigerant
pressure switch A/C ON
(middle)
Clutch pedal depressed
Clutch switch
Clutch pedal released
—
—
—
—
Shift lever is at neutral position
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)
Voltage
Test condition
ECT 20 °C
3.04—
{68 °F}
ECT 60 °C
1.29—
{140 °F}
—
—
Approx.
Approx.
Refrigerant
pressure is
above 1.52
Below 1.0
MPa {15.5 kgf/
2
cm , 220 psi}
Refrigerant
pressure is
below 1.23
MPa {12.5 kgf/
2
cm , 178 psi}
Below 1.0 • Inspect clutch switch
—
—
—
—
Below 1.0 • Inspect neutral switch
Approx.
P range
Approx.
R range
Approx.
N range
3
D range* Approx.
4
M range*
Approx.
3
S range*
Approx.
3
L range*
—
Approx. 0 • Inspect HO2S (rear)
0—1.0
Action
(V)
• Inspect ECT sensor
3.14 (See F–53 ENGINE
COOLANT
TEMPERATURE
(ECT) SENSOR
INSPECTION)
1.39
• Inspect related
harness
— —
— —
• Inspect MAF sensor
0.7 (See F–51 MASS AIR
FLOW (MAF)
SENSOR
INSPECTION)
1.3
• Inspect related
harness
• Inspect refrigerant
pressure switch
• Inspect related
harness
B+
(See F–59 CLUTCH
SWITCH
INSPECTION)
B+
• Inspect related
harness
— —
— —
— —
— —
(See F–59 NEUTRAL
SWITCH
INSPECTION)
B+
• Inspect related
harness
4.6
3.9
• Inspect TR switch
3.2
• Inspect related
harness
2.5
1.7
0.94
— —
(See F–56 HEATED
OXYGEN SENSOR
(HO2S)
INSPECTION)
• Inspect related
harness
F–48–3
F