Mazda 626 MX-6 Workshop Manual page 327

Terminal Input Output Connection to
o
2M
Solenoid valve
(EGR-Vent side)
o
2N
Solenoid valve
(EGR-vacuum side)
o
Circuit opening relay
20
o
2P Solenoid valve
(Purge control valve)
o
2Q
Solenoid valve (Idle
speed control valve)
2R
— Ground (E
—
3A Ground (E
— —
0
3B Ignition switch (Start
position)
o
Injector (No. 4 and
3C
No. 2)
O
Inhibitor switch
3D
through EC-AT unit
Neutral and clutch
switch
o
Injector (No. 1 and
3E
No. 3)
3F
— —
3G Ground (Ei)
— —
3H
— —
o
31 Main relay
3J Battery
—
Voltage (After warming-up)
IGN: ON
Battery voltage
Battery voltage
s
Battery voltage
)
02
)
01
Battery voltage
" N" or "P" range: below 2.5V
Other ranges: Battery voltage
In-gear condition
Clutch pedal depressed: Battery voltage
Clutch pedal released: below 0.5V
Battery voltage
—
—
n --------- n
1 1
2Q 2 0 2 M 2 K 21 2G 2E 2C 2A
31 3G|3E 3C 3 A
3J 3 H p F 3D 3B 2R 2P 2 N 2 L 2J 2H 2 F 2 D 2B
n r~ -------------
1W 1U 1S 1Q 1 0 1 M 1K 11 1G 1E 1C 1A
1X 1V 1T 1 R 1P 1 N 1L 1J 1 H 1F 1D 1B
626, MX-6 Revised 10/87
CONTROL SYSTEM
Idle
Below 3.5V
Battery voltage
Approx. 1.7—11V
OV
OV
Below 2.5V
*1 Battery voltage
* 1 Battery voltage
—
OV
—
Battery voltage
Battery voltage
n ~i n
1
n
1
4B
Remarks
• Voltages change
depending on
driving condition
(EGR amount)
• Cold engine: bat­
tery voltage
Radiator coolant
temp-below
17°C (63°F) or
Engine coolant
temp-below
40°C (104°F)
Medium and high
load: below 3.5V
While cranking: bat­
tery voltage
*1 Engine Signal
Monitor green and
red lights flash
ATX
MTX (Neutral: con­
stant Battery
voltage)
*1 Engine Signal
Monitor: green and
red lights flash
—
—
For back-up
86U04B-154
4B -107