Suzuki Liana RH418 Supplementary Service Manual page 89

Terminal No. Circuit
G04-5 Power source
G04-6 Power source
A/C pressure switch (if
G04-7
equipped)
Engine coolant temp.
G04-8
signal for TCM (A/T)
A/C condenser fan relay (if
G04-9
equipped)
G04-10 Main relay
A/C evaporator inlet
G04-11 temperature sensor (if
equipped)
G04-12 Oil control valve output
G04-13 Blank
A/C evaporator outlet
G04-14 temperature sensor (if
equipped)
G04-15 Test switch terminal
G04-16 A/C switch (if equipped)
G04-17 Electric load signal (+)
G04-18 Radiator fan relay No.1
G04-19
G04-20 Sensor ground
G04-21 Oil control valve ground
G04-22
G04-23 Ignition switch
G04-24 Vehicle speed sensor
Normal Voltage
10 – 14 V
10 – 14 V
0 – 1 V
10 – 14 V
10 – 14 V
0 – 1 V
8 – 14 V
0 – 1 V
10 – 14 V
10 – 14 V
0.4 – 1.5 V
3.3 – 3.8 V
2.5 – 2.9 V
1.9 – 2.3 V
*0 – 0.6 V
13 – 14 V
(Reference waveform
No.1 and No.2)
3.3 – 3.8 V
2.5 – 2.9 V
1.9 – 2.3 V
4 – 6 V
10 – 14 V
0 – 2 V
10 – 14 V
10 – 14 V
0 – 1 V
—
Below 0.3 V
Below 0.3 V
—
10 – 14 V
*0 – 1 V
10 – 14 V
(Reference waveform
No.18)
Engine General Information and Diagnosis:
Ignition switch ON
Ignition switch ON
A/C refrigerant pressure below 1500 kPa, 15 kg/
cm 2 , 23 psi.
A/C refrigerant pressure 1500 kPa, 15 kg/cm
psi or more.
Ignition switch ON
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))
Engine running and A/C operated
Engine running and A/C not operated
Ignition switch OFF
Ignition switch ON
Ignition switch turned ON at A/C evaporator inlet
temperature 0 °C (32 °F)
Ignition switch turned ON at A/C evaporator inlet
temperature 15 °C (59 °F)
Ignition switch turned ON at A/C evaporator inlet
temperature 25 °C (77 °F)
Ignition switch turned ON
↑↓
Vehicle running.
(Output signal is active low duty pulse. Duty ratio
varies depending on vehicle condition)
—
Ignition switch turned ON at A/C evaporator outlet
temperature 0 °C (32 °F)
Ignition switch turned ON at A/C evaporator outlet
temperature 15 °C (59 °F)
Ignition switch turned ON at A/C evaporator outlet
temperature 25 °C (77 °F)
Ignition switch turned ON
Ignition switch turned ON and A/C switch or
blower motor switch turned OFF
Ignition switch turned ON and A/C switch and
blower motor switch turned ON (at second speed
position)
Ignition switch ON
0 V
Small light and rear defogger OFF
Ignition switch ON
Small light or rear defogger ON
Ignition switch ON and Engine coolant temp.: 95
°C (203 °F) or lower
Ignition switch ON and Engine coolant temp.:
97.5 °C (208 °F) or higher
—
Ignition switch turned ON
Ignition switch turned ON
—
Ignition switch ON
Vehicle running.
↑↓
(Signal from sensor is pulse. Pulse frequency
varies depending on vehicle speed. (2590 pulses
are generated par 60 km/h, 37.5 ml/h.))
1A-76
Condition
—
—
—
2 , 23