Suzuki Liana RH418 Supplementary Service Manual page 88

1A-75 Engine General Information and Diagnosis:
Terminal No.
C41-18
C41-19 Ignition coil No.2
C41-20 Ignition coil No.1
C41-21 Fuel injector No.2
5 V power source for
C41-22
sensors
Crankshaft position (CKP)
C41-23
sensor
C41-24 Fuel pump relay
C41-25 Knock sensor
Manifold absolute
C41-26
pressure sensor
C41-27 Diag. switch terminal
C41-28
C41-29
Engine start switch
C41-30
(Engine start signal)
C41-31 Fuel injector No.3
Terminal No.
A/C compressor relay (if
G04-1
equipped)
G04-2 Stop lamp switch
Radiator fan relay No.2
G04-3
and No.3
G04-4
Circuit Normal Voltage
—
(Reference waveform
(Reference waveform
No.7 and No.23)
(Reference waveform
No.8, No.11 and No.24)
4.75 – 5.25 V
(Reference waveform
(Reference waveform
No.13 and No.14)
*3.3 – 4.0 V
(Reference waveform
*0.4 – 1.8 V
(Reference waveform
—
—
(Reference waveform
No.8, No.10 and No.24)
Circuit Normal Voltage
—
—
0 – 1 V Ignition switch turned ON
*0 – 0.6 V
↑↓
Engine running.
4 – 6 V (Output signal is active high pulse. Pulse
frequency varies depending on engine speed.)
No.6)
0 – 1 V Ignition switch turned ON
*0 – 0.6 V
↑↓
Engine running.
4 – 6 V (Output signal is active high pulse. Pulse
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.)
Ignition switch ON
*4 – 6 V
Engine running at idling with after warming up.
↑↓
(Signal from sensor is pulse. Pulse frequency
0 – 0.5 V
varies depending on engine speed. (30 pulses
are generated par 1 crankshaft revolution.))
No.15)
0 – 1 V For 2 seconds after ignition switch ON
10 – 14 V After the time shown above
*2 – 3 V Ignition switch turned ON
Run engine a 4,000 r/min. with after warning up
Ignition switch turned ON with barometric
pressure at 100 kPa, 760 mmHg while engine is
No.16) stopped
While specified idle speed after warming up with
barometric pressure at 100 kPa, 760 mmHg
No.17)
4 – 6 V Ignition switch ON
—
—
6 – 12 V While engine cranking
0 V Other than above
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.)
0 – 1 V Engine running and A/C operated
10 – 14 V Engine running and A/C not operated
0 V Ignition ON and stop lamp switch OFF
10 – 14 V Ignition ON and stop lamp switch ON
Ignition switch ON and Engine coolant temp.: 100
10 – 14 V
°C (212 °F) or lower
Ignition switch ON and Engine coolant temp.:
0 V
102.5 °C (216.5 °F) or higher
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Condition
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Condition
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