Suzuki Ignis Service Manual page 3245

6-44 ENGINE GENERAL INFORMATION AND DIAGNOSIS
TERMINAL WIRE
NUMBER COLOR
G91-13 YEL
G91-14 YEL/RED
G91-15 WHT/BLK
G91-16 WHT/RED
G91-17 –
G91-18 –
G91-19 –
G91-20 –
G91-21 –
G91-22 –
G91-23 –
G91-24 –
G91-25 –
G91-26 –
G91-27 –
G91-28 BLK/WHT Ignition switch signal
G91-29 –
G91-30 YEL/GRN
G91-31 PPL
G91-32 GRY
CIRCUIT
Electric load signal for
heater blower motor
Fuel level sensor sig-
nal
A/C evaporator outlet
air temp. sensor signal
(if equipped)
Power source for ECM
internal memory
–
–
–
–
–
–
–
–
–
–
–
–
A/C request signal (if
equipped)
Vehicle speed sensor
signal for speedometer
ECT sensor signal for
combination meter
NORMAL
VOLTAGE
Ignition switch turned ON, blower fan
10 – 14 V
selector selected at OFF
Ignition switch turned ON, blower fan
0 – 1 V selector selected at 2nd speed position
or more
Ignition switch turned ON
0 – 6 V
Voltage depends on fuel level
Ignition switch turned ON at A/C evapo-
3.3 – 3.8 V
rator inlet air temperature 0°C (32°F)
Ignition switch turned ON at A/C evapo-
2.5 – 2.9 V
rator inlet air temperature 15°C (59°F)
Ignition switch turned ON at A/C evapo-
1.9 – 2.3 V
rator inlet air temperature 25°C (77°F)
Ignition switch turned ON and turned
10 – 14 V
OFF
–
–
–
–
–
–
–
–
–
–
–
0 – 1 V Ignition switch turned OFF
10 – 14 V Ignition switch turned ON
–
Ignition switch turned ON, blower fan
10 – 14 V selector selected OFF position or A/C
(High input) switch turned OFF or A/C evaporator
temp. less than 2.5°C, 36.5°F
Ignition switch turned ON, blower fan
0 – 1 V selector selected other than OFF posi-
(Low input) tion and A/C switch turned ON with A/C
evaporator temp. more than 4°C, 39.2°F
*0 – 1 V Vehicle running.
↑↓ (Sensor signal is pulse. Pulse frequency
10 – 14 V varies depending on vehicle speed.)
(Reference wave- (8190 pulses/sec. are generated par 60
form No.21) km/h, 37.5 ml/h)
Ignition switch turned ON
*0 – 0.6 V
(Output signal is 5 Hz active low duty
↑↓
pulse. Duty ratio varies depending on
13 – 14 V
ECT.)
(Reference wave-
ECT –30°C = 10% ON duty
form No.24)
ECT 130°C = 90% ON duty
CONDITION
–
–
–
–
–
–
–
–
–
–
–
–