Suzuki Liana RH413 Service Manual page 160

1A-109 Engine General Information and Diagnosis:
Terminal No.
C41-6 Idle air control valve
Heater of HO2S-1 (vehicle with
C41-7
EGR)
C41-8 Fuel injector No.4
C41-9 Fuel injector No.1
C41-10 Sensor ground
C41-11 Camshaft position (CMP) sensor
C41-12 Generator control signal
Heated oxygen sensor-1 (vehicle
with EGR system)
C41-13
CO adjusting resistor (if
equipped)
Engine coolant temperature
C41-14
(ECT) sensor
Intake air temperature (IAT)
C41-15
sensor
C41-16 Throttle position sensor
C41-17 EGR valve (stepper motor coil 3)
Circuit
(Reference waveform
(Reference waveform
(Reference waveform
No.8, No.9 and No.24)
(Reference waveform
No.8, No.12, No.23 and
(Reference waveform
*Deflects between over
0.5 V and under 0.45 V
(Reference waveform
(Reference waveform
Normal Voltage
*0 – 2 V Engine running at idling with after warming
↑↓
up.
8 – 14 V (Output signal is active low duty pulse.
Duty ratio varies as engine load and
No.4) desired idle speed.)
10 – 14 V Ignition switch ON
*0 – 2 V Engine running at idling with after warming
↑↓
up.
13.5 – 14.8 V (Output signal is active low duty pulse.
Duty ratio varies depending on engine
No.2 and No.3 condition.)
10 – 14 V Ignition switch ON
*0 – 0.6 V
Engine running.
↑↓
(Output signal is active low pulse. Pulse
10 – 14 V
frequency varies depending on engine
speed.)
10 – 14 V Ignition switch ON
*0 – 0.6 V
↑↓
Engine running.
10 – 14 V (Output signal is active low pulse. Pulse
frequency varies depending on engine
speed.)
No.24)
Below 0.3 V Ignition switch turned ON
*0 – 6 V Engine running at idling with after warming
↑↓
up.
4 – 6 V (Pulse frequency varies depending on
engine speed. (6 pulses are generated par
No.15) 1 camshaft revolution.))
Min. 4.8 V Ignition switch ON
While engine running at 2,000 r/min. for 1
min. or longer after warmed up
No.2 and No.3
—
Ignition switch turned ON at ECT 40 °C
1.75 – 2.1 V
(104 °F)
Ignition switch turned ON at ECT 80 °C
0.67 – 0.84 V
(176 °F)
Ignition switch turned ON at ECT 110 °C
0.32 – 0.41 V
(230 °F)
Ignition switch turned ON at IAT 0 °C (32
3.18 – 3.67 V
°F)
Ignition switch turned ON at ECT 40 °C
1.34 – 1.63 V
(104 °F)
Ignition switch turned ON at ECT 80 °C
0.47 – 0.59 V
(176 °F)
Ignition switch ON
0.2 – 1.0 V
Throttle valve at idle position
Ignition switch ON
2.8 – 4.8 V
Throttle valve at full open position
10 – 14 V Ignition switch ON
*0 – 2 V Ignition switch is turned to ST (cranking)
↑↓
position.
8 – 14 V (Output signal is active low duty pulse.
Pulse generated times depending on
No.5) vehicle condition)
Condition
—