Suzuki Wagon R Plus RB310, Service Manual

Page: 218 / 846

ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE) 6-2-43
E21-30
LT GRN/
RED
A/C request signal (if
equipped)
10 – 14 V
(High input)
Ignition switch turned ON, blower fan
selector selected OFF position or A/C
switch turned OFF or A/C evaporator
temp. less than 2.5°C, 36.5°F
0 – 1 V
(Low input)
Ignition switch turned ON, blower fan
selector selected other than OFF posi-
tion and A/C switch turned ON with A/C
evaporator temp. more than 4°C, 39.2°F
E21-31 PPL
Vehicle speed sensor
signal for speedometer
*0 – 1 V
↑↓
10 – 14 V
(Reference wave-
form No.21)
Vehicle running.
(Sensor signal is pulse. Pulse frequency
varies depending on vehicle speed.)
(8190 pulses/sec. are generated par 60
km/h, 37.5 ml/h)
E21-32 WHT/GRN
ECT sensor signal for
combination meter
*0 – 0.6 V
↑↓
13 – 14 V
(Reference wave-
form No.24)
Ignition switch turned ON
(Output signal is 5 Hz active low duty
pulse. Duty ratio varies depending on
ECT.)
ECT –30°C = 10% ON duty
ECT 130°C = 90% ON duty
E21-33 RED/YEL
Electric load signal for
clearance lamp
0 – 1 V
Ignition switch turned ON, clearance
lamp not lighted up
10 – 14 V
Ignition switch turned ON, clearance
lamp lighted up
E21-34 – – – –
E21-35 – – – –
TERMINAL
NUMBER
WIRE
COLOR
CIRCUIT
NORMAL
VOLTAGE
CONDITION