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Terminal Input Output
Connection to
10
—
—
1P
—
—
—
—
1Q
—
—
1R
1S
o
Shift indicator light
(MTX)
—
—
1T
1U
—
—
1V
O
Test connector
1W
O
1X
—
—
2A
o
Air flow meter (Vc)
2B
o
—
2C
—
Oxygen sensor
2D
0
Air flow meter (Vs)
2E
o
2F
—
—
2G
o
Throttle sensor
2H
o
Atmospheric pres
sure sensor
Water thermo sensor
2 1
o
2J
o
Air flow meter (In
take air thermo
sensor)
2K
Solenoid valve (Pres
sure regulator
Speedometer
2L
o
2M
—
—
Voltage (After warming-up)
IGN: ON
—
—
—
—
?
—
—
—
Test connector grounded: below 0.5V
Test connector not grounded: above 10.5V
—
V ref
Ground (E2)
OV
Approx. 1.7V
—
Accelerator pedal released:
approx. 0.5V
(depends on 2A terminal voltage)
At sea level: approx. 4.0V
Approx. 2.5V at 20°C (68°F)
For 120 sec. after
ignition switch OFF
-* ON: below 3.5V
—
626, MX-6 Revised 10/87
CONTROL SYSTEM
Idle
—
—
—
—
Battery voltage
_
—
Constant below 1.5V
Constant above 10.5V
—
4.5—5.5V
7 -9 V
OV
0 - 1 .OV
Approx. 3—5V
—
0.3—0.6 V
For 120 sec. after
starting: below 3.5V
Battery voltage
Battery voltage
—
4A
Remarks
—
—
—
—
Shift indicator light il
luminates: below
4.8V
—
—
MTX
ATX
Green connector,
1-pin
—
• Cold engine: OV
at idle
• After warming-up:
Increase engine
speed: 0.5—1 .OV
Deceleration:
0—0.4V
Increase engine
speed:
voltage increases
—
Max. voltage (Throt
tle valve fully open):
approx. 4.3V
Engine coolant
temp. 20°C (68°F):
approx. 2.5V
Hot condition: Cool
ant temp, above
70°C (158°F)
Intake air temp,
above 20°C (63°F)
Other conditions
• Above 113 mph
(180 km/h): be
low 1.0V
—
4 A—91
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Troubleshooting
