Suzuki Liana RH413 Service Manual page 162

1A-111 Engine General Information and Diagnosis:
Terminal No.
C41-31 Fuel injector No.3
Terminal No.
A/C compressor relay (if
G04-1
equipped)
G04-2 Stop lamp switch
G04-3 Radiator fan relay No.2 and No.3
G04-4 Heater of HO2S-2 (if equipped)
G04-5 Power source
G04-6 Power source
G04-7 A/C pressure switch (if equipped)
Engine coolant temp. signal for
G04-8
TCM (A/T)
A/C condenser fan relay (if
G04-9
equipped)
G04-10 Main relay
A/C evaporator inlet temperature
G04-11
sensor (if equipped)
G04-12 Blank
Heated oxygen sensor-2 (if
G04-13
equipped)
A/C evaporator outlet
G04-14
temperature sensor (if equipped)
Test switch terminal (vehicle
G04-15
without immobilizer)
Circuit
(Reference waveform
No.8, No.10 and No.24)
Circuit
(Reference waveform
*Deflects between over
0.5 V and under 0.45 V
(Reference waveform
Normal Voltage
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.)
Normal Voltage
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
10 – 14 V
temp.: 100 °C (212 °F) or lower
Ignition switch ON and Engine coolant
0 V
temp.: 102.5 °C (216.5 °F) or higher
10 – 14 V Ignition switch ON
*0 – 1 V
Engine running at idling after vehicle
running over 30 km/h, 19 ml/h for 5 min.
No.1)
10 – 14 V Ignition switch ON
10 – 14 V Ignition switch ON
A/C refrigerant pressure below 1500 kPa,
0 – 1 V
15 kg/cm
A/C refrigerant pressure 1500 kPa, 15 kg/
10 – 14 V
cm 2
10 – 14 V Ignition switch ON
Engine running at idling.
0 – 1 V (Output signal is active low duty pulse.
↑↓
Duty ratio varies depending on ECT. Duty
ON time: 850 ms (20 °C, 68 °F) 1450 ms
8 – 14 V
(80 °C, 176 °F))
0 – 1 V Engine running and A/C operated
10 – 14 V Engine running and A/C not operated
10 – 14 V Ignition switch OFF
0.4 – 1.5 V Ignition switch ON
Ignition switch turned ON at A/C
3.3 – 3.8 V
evaporator inlet temperature 0 °C (32 °F)
Ignition switch turned ON at A/C
2.5 – 2.9 V
evaporator inlet temperature 15 °C (59 °F)
Ignition switch turned ON at A/C
1.9 – 2.3 V
evaporator inlet temperature 25 °C (77 °F)
—
While engine running at 2,000 r/min. for 1
min. or longer after vehicle running over 30
km/h, 19 ml/h
No.1)
Ignition switch turned ON at A/C
3.3 – 3.8 V
evaporator outlet temperature 0 °C (32 °F)
Ignition switch turned ON at A/C
evaporator outlet temperature 15 °C (59
2.5 – 2.9 V
°F)
Ignition switch turned ON at A/C
evaporator outlet temperature 25 °C (77
1.9 – 2.3 V
°F)
4 – 6 V Ignition switch turned ON
Condition
Condition
2 , 23 psi.
, 23 psi or more.
—