Suzuki Engine 2002 GRAND VITARA SQ420 Service Manual page 55

6-50 ENGINE GENERAL INFORMATION AND DIAGNOSIS (G16/J20 ENGINES)
WIRE
TERMINAL
COLOR
26 ORN/WHT 4WD Low (4L) switch signal
C51-1
27 GRN/BLU
28 GRN/ORN
1 PNK/BLK Fuel injector No.2 output
2 PNK
LT GRN/
C51-2 3
BLK
4 GRY
5 WHT/GRN
6
CIRCUIT
"L" position signal for trans-
mission range switch (A/T)
"2" position signal for trans-
mission range switch (A/T)
Fuel injector No.1 output
IAC valve output (stepper
motor coil 1)
Heater output of heated
oxygen sensor-1 (if
equipped)
Fuel pump relay output
(other than Canvas Top
model with immobilizer con-
trol system)
– –
NORMAL
VOLTAGE
Ignition switch turned ON, Transfer
0 – 1 V selector lever selected at "4L" posi-
tion
Ignition switch turned ON, Transfer
10 – 14 V selector lever selected at "4H" or
"2H" position
Ignition switch turned ON, Selector
10 – 14 V
switch selected at "L" position
Ignition switch turned ON, Selector
0 – 1 V switch selected at other than "L"
position
Ignition switch turned ON, Selector
10 – 14 V
switch selected at "2" position
Ignition switch turned ON, Selector
0 – 1 V switch selected at other than "2"
position
10 – 14 V Ignition switch turned ON
*0 – 0.6 V
Engine running
↑ ↓
(Output signal is active low pulse.
10 – 14 V
Pulse frequency varies depending
(Repeated
on engine speed.)
indicator)
10 – 14 V Ignition switch turned ON
*0 – 0.6 V
Engine running
↑ ↓
(Output signal is active low pulse.
10 – 14 V
Pulse frequency varies depending
(Repeated
on engine speed.)
indicator)
0 – 1 V Ignition switch turned ON
*0 – 1 V
While engine running
↑ ↓
(Output signal is active low duty
8 – 14 V
pulse. Pulse generated times
(Repeated
depending vehicle condition)
indicator)
10 – 14 V Ignition switch turned ON
*0 – 1 V Engine running at idling with after
↑ ↓
warming up
10 – 14 V (Output signal is active low duty
(Repeated pulse. Duty ratio varies depending
indicator) on engine condition.)
For 3 sec. after ignition switch
0 – 2.5 V
turned ON or while engine running
On and after the ignition switch is
10 – 14 V turned ON for 3 sec. with engine
stop.
–
CONDITION
–