Suzuki Liana RH413, Service Manual

Page: 162 / 1302

1A-111 Engine General Information and Diagnosis:
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 Heater of HO2S-2 (if equipped)
10 – 14 V Ignition switch ON
*0 – 1 V
(Reference waveform
No.1)
Engine running at idling after vehicle
running over 30 km/h, 19 ml/h for 5 min.
G04-5 Power source 10 – 14 V Ignition switch ON
G04-6 Power source 10 – 14 V Ignition switch ON
G04-7 A/C pressure switch (if equipped)
0 – 1 V
A/C refrigerant pressure below 1500 kPa,
15 kg/cm
2 , 23 psi.
10 – 14 V
A/C refrigerant pressure 1500 kPa, 15 kg/
cm
2 , 23 psi or more.
G04-8
Engine coolant temp. signal for
TCM (A/T)
10 – 14 V Ignition switch ON
0 – 1 V
↑↓
8 – 14 V
Engine running at idling.
(Output signal is active low duty pulse.
Duty ratio varies depending on ECT. Duty
ON time: 850 ms (20
°
C, 68
°
F) 1450 ms
(80
°
C, 176
°
F))
G04-9
A/C condenser fan relay (if
equipped) 0 – 1 V Engine running and A/C operated
10 – 14 V Engine running and A/C not operated
G04-10 Main relay
10 – 14 V Ignition switch OFF
0.4 – 1.5 V Ignition switch ON
G04-11
A/C evaporator inlet temperature
sensor (if equipped)
3.3 – 3.8 V
Ignition switch turned ON at A/C
evaporator inlet temperature 0
°
C (32
°
F)
2.5 – 2.9 V
Ignition switch turned ON at A/C
evaporator inlet temperature 15
°
C (59
°
F)
1.9 – 2.3 V
Ignition switch turned ON at A/C
evaporator inlet temperature 25
°
C (77
°
F)
G04-12 Blank — —
G04-13
Heated oxygen sensor-2 (if
equipped)
*Deflects between over
0.5 V and under 0.45 V
(Reference waveform
No.1)
While engine running at 2,000 r/min. for 1
min. or longer after vehicle running over 30
km/h, 19 ml/h
G04-14
A/C evaporator outlet
temperature sensor (if equipped)
3.3 – 3.8 V
Ignition switch turned ON at A/C
evaporator outlet temperature 0
°
C (32
°
F)
2.5 – 2.9 V
Ignition switch turned ON at A/C
evaporator outlet temperature 15
°
C (59
°
F)
1.9 – 2.3 V
Ignition switch turned ON at A/C
evaporator outlet temperature 25
°
C (77
°
F)
G04-15
Test switch terminal (vehicle
without immobilizer)
4 – 6 V Ignition switch turned ON