Ignition Switch On - Suzuki Engine 2002 GRAND VITARA SQ420 Service Manual

WIRE
TERMINAL
COLOR
1 GRY/RED
2 WHT
3 PNK/GRN
4 –
5 PPL
6 BRN
E61
7 PPL/YEL
GRN/WHT
8
PNK
9 BLU
10 GRY/BLK
11 –
12 PPL/WHT
ENGINE GENERAL INFORMATION AND DIAGNOSIS (G16/J20 ENGINES) 6-43
CIRCUIT
Output of 5 V power source
for CO adjusting resistor (if
equipped)
Power source for ECM
internal memory
Heater output of heated
oxygen sensor-2 (if
equipped)
–
Duty output terminal (if
equipped)
Immobilizer indicator lamp
output (if equipped)
Engine revolution signal
output for tachometer
MIL (Malfunction indicator
lamp) output
A/C cut signal (Canvas Top
model, if equipped)
A/C compressor relay out-
put (other than Canvas Top
model, if equipped)
Main power supply relay
output
CO adjusting resistor sig-
nal (if equipped)
–
Serial communication line
of data link connector 5 V (if
equipped)
NORMAL
VOLTAGE
4.5 – 5.5 V Ignition switch turned ON
Regardless of ignition switch posi-
10 – 14 V
tion
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.)
–
0 – 1 V Ignition switch turned ON
10 – 14 V While engine running
Ignition switch turned ON with
0 – 1V
engine stop
Ignition switch turned ON with
0 – 0.8 V
engine stop
*0 – 1 V
While engine running
↑ ↓
(Output signal is pulse. Pulse fre-
8 – 14 V
quency varies depending on engine
(Repeated
speed.(3000 r/min = 100 Hz))
indicator)
Ignition switch turned ON with
0 – 2.5 V
engine stop
10 – 14 V Engine running (Canvas Top model)
Engine running (Other than Canvas
3.5 – 4.5 V
Top model)
0 – 1 V A/C is not operating
10 – 14 V A/C is operating
Engine running, A/C request signal
10 – 14 V high input or ECT more than 113°C,
235°F
Engine running, A/C request signal
0 – 1 V low input and ECT less than 110°C,
230°F
10 – 14 V Ignition switch turned OFF
0 – 2 V Ignition switch turned ON
–
–
4 – 6 V Ignition switch turned ON
CONDITION
–
–
–