Mazda 626 MX-6 Workshop Manual page 266

4B
ISC SYSTEM
COM PONENT DESCRIPTIONS
Component
A ir valve When cold, supplies bypass air into dy­
namic chamber
Clutch switch Detects in-gear condition;
sends signal to control unit
Detects that E/L is being applied; sends
E/L control unit
signal to control unit
Detects signals from input sensors and
Engine control unit
switches; controls solenoid valve (Idle
speed control)
Detects when throttle valve fully closed;
Idle switch
sends signal to control unit
Detects in-gear condition; sends signal to
Inhibitor switch
EC-AT control unit
Detects crank angle at 30° intervals;
Ne rotor and pick-up
sends signal to control unit
Detects in-gear condition; sends signal to
Neutral switch
control unit
Detects P/S operation; sends signal to
P/S pressure switch
control unit
Controls bypass air amount
Solenoid valve (Idle
speed control)
For Self-Diagnosis Checker and idle
Test connector
speed adjustment
Detects throttle valve opening angle;
Throttle sensor
sends signal to control unit
4B—46
Function
• Engine speed increased to
• Thermo wax type
• Installed in BAC valve
Switch ON when clutch pedal
released
Installed on throttle body
Switch ON in "N " or " P"
range
Engine speed signal
Switch ON when in-gear
P/S: ON when steering wheel
turned right or left
626, MX-6 Revised 10/87
Remarks
shorten warm-up period
•
Controlled by duty signal
from control unit
•
With integrated air valve
•
Works idle-up
1-pin connector (Green)
Installed on throttle body
Application
New Previous
model model
O O
o
O
o
X
o o
o
0
o
0
o
X
o o
o o
o
X
o
X
o
o
86U04B-034