Suzuki Engine 2002 GRAND VITARA SQ420 Service Manual page 192

TERMINAL WIRE
NUMBER COLOR
C51-2-13 BRN
C51-2-14 PPL/BLK
LT GRN/
C51-2-15
BLK
LT GRN/
C51-2-16
RED
LT GRN/
C51-2-17
YEL
C51-2-18 PNK/BLU Fuel injector No.4 output
C51-2-19 PNK/GRN Fuel injector No.3 output
C51-2-20 BLU/BLK Main power supply
C51-2-21 BLU/BLK Main power supply
CIRCUIT
Ignition coil No.1 output
IAC valve output (stepper
motor coil 2)
IAC valve output (stepper
motor coil 1)
EGR valve (stepper motor coil
4) output (if equipped)
EGR valve (stepper motor coil
3) output (if equipped)
ENGINE GENERAL INFORMATION AND DIAGNOSIS (H25 ENGINE) 6-1-51
NORMAL
VOLTAGE
0 – 0.6 V Ignition switch turned ON
✱
0 – 0.6 V
Engine running
↑↓
(Output signal is active high pulse.
2 – 4 V
Pulse frequency varies depending on
(Repeated
engine speed.)
indicator)
10 – 14 V Ignition switch turned ON
✱
0 – 1 V
While engine running.
↑↓
(Output signal is active low duty pulse.
8 – 14 V
Pulse generated time depending vehi-
(Repeated
cle condition)
indicator)
0 – 1 V Ignition switch turned ON
✱
0 – 1 V
While engine running.
↑↓
(Output signal is active low duty pulse.
8 – 14 V
Pulse generated time depending vehi-
(Repeated
cle condition)
indicator)
0 – 1 V Ignition switch turned ON
✱
0 – 1 V
While engine running.
↑↓
(Output signal is active low duty pulse.
8 – 14 V
Pulse generated time depending vehi-
(Repeated
cle condition)
indicator)
10 – 14 V Ignition switch turned ON
✱
0 – 1 V
While engine running.
↑↓
(Output signal is active low duty pulse.
8 – 14 V
Pulse generated time depending vehi-
(Repeated
cle condition)
indicator)
Ignition switch turned ON with engine
10 – 14 V
stop
✱
0 – 0.6 V
Engine running
↑↓
(Output signal is active low pulse. Pulse
10 – 14 V
frequency varies depending on engine
(Repeated
speed.)
indicator)
Ignition switch turned ON with engine
10 – 14 V
stop
✱
0 – 0.6 V
Engine running
↑↓
(Output signal is active low pulse. Pulse
10 – 14 V
frequency varies depending on engine
(Repeated
speed.)
indicator)
10 – 14 V Ignition switch turned ON
10 – 14 V Ignition switch turned ON
CONDITION