Suzuki Liana RH418, Supplementary Service Manual

Page: 89 / 371

Engine General Information and Diagnosis: 1A-76
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 Oil control valve output
*0 – 0.6 V
↑↓
13 – 14 V
(Reference waveform
No.1 and No.2)
Ignition switch turned ON
Vehicle running.
(Output signal is active low duty pulse. Duty ratio
varies depending on vehicle condition)
G04-13 Blank — —
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 4 – 6 V Ignition switch turned ON
G04-16 A/C switch (if equipped)
10 – 14 V
Ignition switch turned ON and A/C switch or
blower motor switch turned OFF
0 – 2 V
Ignition switch turned ON and A/C switch and
blower motor switch turned ON (at second speed
position)
G04-17 Electric load signal (+)
0 V
Ignition switch ON
Small light and rear defogger OFF
10 – 14 V
Ignition switch ON
Small light or rear defogger ON
G04-18 Radiator fan relay No.1
10 – 14 V
Ignition switch ON and Engine coolant temp.: 95
°
C (203
°
F) or lower
0 – 1 V
Ignition switch ON and Engine coolant temp.:
97.5
°
C (208
°
F) or higher
G04-19 — — —
G04-20 Sensor ground Below 0.3 V Ignition switch turned ON
G04-21 Oil control valve ground Below 0.3 V Ignition switch turned ON
G04-22 — — —
G04-23 Ignition switch 10 – 14 V Ignition switch ON
G04-24 Vehicle speed sensor
*0 – 1 V
↑↓
10 – 14 V
(Reference waveform
No.18)
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.))
Terminal No. Circuit Normal Voltage Condition