Suzuki Liana RH418, Supplementary Service Manual

Page: 88 / 371

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