Suzuki Baleno Manual page 1382

6-2-34 ENGINE GENERAL INFORMATION AND DIAGNOSIS (J18 ENGINE WITH WU TWC)
TERMINAL
C20-1 No.3 fuel injector
C20-2 No.4 fuel injector
C20-3 EGR valve (stepping motor No.1 coil)
C20-4 Heated oxygen sensor-1
C20-5 C20 5 Engine starter signal Engine starter signal
C20-6 EVAP canister purge valve
C20-7 C20 7 Ignition switch Ignition switch
C20-8 No.2 fuel injector
C20-9 Ground
C20-10 Camshaft position sensor (reference signal)
C20-11
C20-12 Engine coolant temp. sensor
C20-13 EGR valve (stepping motor No.2 coil)
C20-14 EGR valve (stepping motor No.4 coil)
C20-15 EGR valve (stepping motor No.3 coil)
C20-16 Intake air temp. sensor
C20-17 Power steering pressure switch
C20-18 Power source for sensors
C20-19 Heater of HO2S-1
C20-20 No.1 fuel injector
C20-21 Ground
C20-22 Camshaft position sensor (Position signal)
C20-23
C20 24 C20-24 Mass air flow sensor Mass air flow sensor
C20 25 C20-25 Throttle position sensor Throttle position sensor
C20-26 / -27 Sensor ground
C20-28 Idle air control valve
CIRCUIT
NORMAL
VOLTAGE
10 10 – 14 V 14 V Ignition switch ON Ignition switch ON
0 – 1 V Ignition switch ON
Deflects between While engine running at 2,000
over 0.5 V and r / min. for 1 min. or longer after
under 0.45 V warmed up.
0 – 1 V Ignition switch ON
6 – 14 V While engine cranking
10 – 14 V Ignition switch ON
0 – 1 V Ignition switch OFF
10 – 14 V Ignition switch ON
10 – 14 V Ignition switch ON
Deflects between Ignition switch ON, crankshaft
0 – 1 and 4 – 6 V turned slowly
Ignition switch ON, engine cool-
0.5 – 0.9 V
ant temp.: 80_C (176_F)
10 – 14 V
0 – 1 V Ignition switch ON
10 – 14 V
Ignition switch ON, sensor ambi-
2.2 – 3.0 V
ent temp.: 20_C (68_F)
10 – 14 V Ignition switch ON
With engine running at idle
0 – 1 V speed, turning steering wheel to
the right or left as far as it stops
4.75 – 5.25 V Ignition switch ON
10 – 14 V Ignition switch ON
10 – 14 V Ignition switch ON
Deflects between Ignition switch ON, crankshaft
0 – 1 and 4 – 5 V turned slowly
Ignition switch ON and engine
0.5 – 1.0 V
stops
With engine running at specified
1.3 – 1.8 V
idle speed
Ignition switch ON and throttle
0.35 – 0.65 V
valve at idle with warmed engine
Ignition switch ON, throttle valve
3.5 – 4.5 V
at full open position
57 – 67 % ON
At specified idle speed after en-
(high voltage)
gine warmed up
duty
CONDITION