Throttle Position; Engine Speed; Engine Coolant Temperature - Suzuki Samurai 1986 Service Manual

Fig. 5- l-9 ECM
The ECM sensed parameters are as follows:
Exhaust Oxygen Concentration.
l
It is sensed by the oxygen sensor installed on
the exhaust manifold.
Fig. 5- I - 7 0 Oxygen sensor

Engine coolant temperature.

l
It is sensed by the thermal switch installed on
the intake manifold.
1. ECM
.
2. Instrument panel
1. Oxygen sensor
2. Exhaust manifold
Fig, 5- I- 17 Thermal switch

Throttle position.

l
It is sensed by the micro switches (wide open
switch and idle switch) installed on the
carburetor.
Fig. 5- 1-12 Micro switches

Engine speed.

l
It is computed by the ECM based on the
electrical signal received from the ignition
system.
Electric load.
l
The ECM senses electric loads of the follow-
ing items to provide idle speed compensation.
a. Small, tail, side marker, license light.
b. Rear defogger (if equipped).
c. Heater fan.
1. Thermal switch
2. Intake manifold
1. Idle micro switch
2. Wide open micro switch
5-11