Suzuki Engine 2002 GRAND VITARA SQ420 Service Manual page 58

WIRE
TERMINAL
COLOR
21 BRN/YEL
22 BRN/WHT
23 BRN/BLK
24 BRN
C51-2
25 BLU/YEL Vehicle speed sensor signal
26 YEL/BLU
27 PNK
28 BLK/BLU Ground for ECM
29 –
– (shield
30
ground)
ENGINE GENERAL INFORMATION AND DIAGNOSIS (G16/J20 ENGINES) 6-53
CIRCUIT
Ignition coil No.4 output (for
J20 engine)
Ignition coil No.3 output (for
J20 engine)
Ignition coil No.2 and No.3
output (for G16 engine)
Ignition coil No.1 and No.4
output (for G16 engine)
Reference signal for CMP
sensor
Pressure switch signal for
4WD air pump assembly
–
Ground of shield wire for
CKP sensor (if equipped)
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
(Repeated
on engine speed.)
indicator)
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
(Repeated
on engine speed.)
indicator)
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
(Repeated
on engine speed.)
indicator)
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
(Repeated
on engine speed.)
indicator)
*0 – 1 V Vehicle running
↑ ↓
(Sensor signal is pulse. Pulse fre-
10 – 14 V quency varies depending on vehicle
(Repeated speed. (2590 pulses are generated
indicator) par 60 km/h, 37.5 ml/h))
Engine running at idling with after
*0 – 0.6 V
warming up
↑ ↓
(Sensor signal is pulse. Pulse fre-
4 – 6 V
quency varies depending on engine
(Repeated
speed. (11 pulses are generated
indicator)
par 1 camshaft revolution))
Ignition switch turned ON, Transfer
10 – 14 V selector lever selected at "4H" or
"4L" position
Ignition switch turned ON, Transfer
0 – 1 V selector lever selected at "2H" posi-
tion
Below 0.3 V Ignition switch turned ON
–
Below 0.3 V Ignition switch turned ON
CONDITION
–