Suzuki Engine 2002 GRAND VITARA SQ625, Service Manual

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