Suzuki WagonR+ RB310 Service Manual page 611

6-2-40 ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE)
TERMINAL WIRE
NUMBER COLOR
E22-9 WHT
E22-10 ORN
E22-11 RED
E22-12 –
E22-13 –
E22-14 WHT
LT GRN/
E22-15
RED
E22-16 YEL/GRN
E22-17 LT GRN
E22-18 –
E22-19 YEL
E22-20 –
CIRCUIT
Knock sensor signal
Reference (classified
cylinder) signal for
CMP sensor
Oxygen signal of
heated oxygen sen-
sor–1
–
–
Mass air flow (MAF)
sensor signal
Manifold absolute
pressure (MAP) sensor
signal
Engine coolant temp.
(ECT) sensor signal
Intake air temperature
(IAT) sensor signal
–
Vehicle speed sensor
signal
–
NORMAL
VOLTAGE
*2 – 3 V Ignition switch turned ON
(Reference wave-
Engine running at idling with after warm-
form No.15 and
ing up
No.16)
Engine running at idling with after warm-
*0 – 0.6 V
ing up
↑↓
(Sensor signal is pulse. Pulse frequency
4 – 5 V
varies depending on engine speed.)
(Reference wave-
(6 pulses are generated par 1camshaft
form No.17)
revolution)
0.5 – 1.5 V Ignition switch turned ON
*Deflects between
over 0.5 V and
under 0.45 V While engine running at 2,000 r/min. for
(Reference wave- 1min. or longer after warmed up
form No.2 and
No.3)
–
–
Ignition switch turned ON and engine
0.5 – 1.5 V
stops
1.5 – 2.0 V When engine running at specified idle
(Reference wave- speed after warming up
form No.18)
About 4 V
Ignition switch turned ON with baromet-
(Reference wave-
ric pressure at 100kPa, 760mmHg
form No.19)
0.4 – 1.8 V While specified idle speed after warming
(Reference wave- up with barometric pressure at 100kPa,
form No.20) 760mmHg
Ignition switch turned ON, ECT at 0°C,
3.3 – 3.6 V
32°F
Ignition switch turned ON, ECT at 50°C,
1.1 – 1.5 V
122°F
Ignition switch turned ON, ECT at
0.3 – 0.45 V
100°C, 212°F
Ignition switch turned ON, IAT at 0°C,
3.3 – 3.6 V
32°F
Ignition switch turned ON, IAT at 40°C,
1.6 – 1.9 V
104°F
Ignition switch turned ON, IAT at 80°C,
0.6 – 0.8 V
176°F
–
*0 – 1 V Vehicle running.
↑↓ (Sensor signal is pulse. Pulse frequency
10 – 14 V varies depending on vehicle speed.
(Reference wave- (8190 pulses are generated par 60 km/
form No.21) h, 37.5 ml/h)
–
CONDITION
–
–
–
–