Suzuki Grand Vitara JB416 / JB420 / JB419. Manual — part 70

1A-227 Engine General Information and Diagnosis: For Petrol Engine Model

C37-51

WHT/

BLU

CKP sensor signal
(M16A engine)

0 – 1 V or 4 – 5 V

Ignition switch turned ON.

—

*4 – 5 V

↑↓

0 – 0.6 V

(“Reference

waveform No.20: For
Petrol Engine Model”

and “Reference

waveform No.21: For

Petrol Engine Model”)

Engine running at idle
after warmed up engine.

Sensor signal is pulse.
Pulse frequency which
varies depending on
engine speed.
(30 (36 – 6) pulses are
generated per 1
crankshaft revolution.)

GRN

Crankshaft position
(CKP) sensor (+)
(J20A engine)

0 – 1 V

Ignition switch turned ON.

—

*4 – 6 V

↑↓

–4 – –6 V

(“Reference

waveform No.20: For
Petrol Engine Model”

and “Reference

waveform No.21: For

Petrol Engine Model”)

Engine running at idle
after warmed up engine.

Output signal is sinusoidal
waveform.
Waveform frequency
varies depending on
engine speed. (30 (36 – 6)
pulses are generated par
1 crankshaft revolution.)

C37-52

WHT/

RED

CMP sensor signal

0 – 1 V or 4 – 5 V

Ignition switch turned ON.

—

*0 – 0.6 V

↑↓

4 – 5 V

(“Reference

waveform No.20: For
Petrol Engine Model”

and “Reference

waveform No.21: For

Petrol Engine Model”)

Engine running at idle
after warmed up engine.

Sensor signal is pulse.
Pulse frequency varies
depending on engine
speed.
(6 pulses are generated
per 1 camshaft revolution.)

C37-53

WHT

Output for 5 V
power source of
throttle position
sensor

4.5 – 5.5 V

Ignition switch turned ON.

—

C37-54

BLK

Throttle position
sensor (main)
signal

0.72 – 1.04 V

Ignition switch turned ON
and accelerator pedal at
idle position after warmed
up engine.

—

3.67 – 4.25 V

Ignition switch turned ON
and accelerator pedal at
full depressed position
after warmed up engine.

C37-55

RED/

WHT

Manifold absolute
pressure (MAP)
sensor signal

Approx. 4 V
(“Reference

waveform No.24: For
Petrol Engine Model”

Ignition switch turned ON
with barometric pressure
at 100 kPa, 760 mmHg.

—

0.4 – 2.0 V

(“Reference

waveform No.25: For
Petrol Engine Model”

While engine running at
specified idle speed after
warmed up with
barometric pressure at
100 kPa, 760 mmHg.

C37-56

WHT

Knock sensor
signal

2 – 3 V

(“Reference

waveform No.26: For
Petrol Engine Model”

and “Reference

waveform No.27: For

Petrol Engine Model”)

Ignition switch turned ON.

—

Engine running at 4000 r/
min. after warmed up.

Terminal

No.

Wire

color

Circuit

Normal voltage

Condition

Remarks

Engine General Information and Diagnosis: For Petrol Engine Model 1A-228

C37-57

GRY/

GRN

Ground for sensors

Below 0.3 V

Ignition switch turned ON.

—

C37-58

BLK/

YEL

Ground for ECM

Below 0.3 V

Ignition switch turned ON.

—

C37-59

BRN/

YEL

Oil control valve
ground (M16A
engine)

Below 1.3 V

Ignition switch turned ON.

—

C37-60

BRN/

WHT

Oil control valve
output (M16A
engine)

*0 – 0.6 V

↑↓

10 – 14 V

(“Reference

waveform No.28: For
Petrol Engine Model”

and “Reference

waveform No.29: For

Petrol Engine Model”)

At the moment of ignition
switch turned ON.

Output signal is active
high pulse. Duty ratio
varies depending on
vehicle condition.

Terminal

No.

Wire

color

Circuit

Normal voltage

Condition

Remarks

Terminal

No.

Wire

color

Circuit

Normal voltage

Condition

Remarks

E23-1

BLU/

BLK

Main power supply

10 – 14 V

Ignition switch turned ON.

—

E23-2

WHT

Power source for
ECM internal
memory

10 – 14 V

Ignition switch turned ON.

—

E23-3

—

—

—

—

—

E23-4

WHT/

RED

CAN (high)
communication line
(active high signal)

*2.5 – 4.5 V
(“Reference

waveform No.30: For

Petrol Engine Model”)

Ignition switch turned ON
with engine at stop.

CAN communication line
signal is pulse. Pulse
signal displayed with a
regular frequency which
varies depending on
engine condition.

E23-5

PPL/

WHT

Serial
communication line
of data link
connector 12 V

8 – 14 V

Ignition switch turned ON.

—

E23-6

BLK/

WHT

Cruise control main
switch signal (if
equipped with
cruise control
system)

10 – 14 V

Ignition switch turned ON,
cruise control main switch
to ON position. (cruise
control main switch is kept
in push)

—

E23-7

BLU

Clutch pedal
position switch
signal (M/T model,
if equipped with
cruise control
system)

4 – 6 V

Ignition switch turned ON,
clutch pedal not
depressed.

—

0 – 1 V

Ignition switch turned ON,
clutch pedal full
depressed.

E23-8

YEL/
GRN

Brake pedal
position switch
signal (if equipped
with cruise control
system)

10 – 14 V

Ignition switch turned ON,
stop lamp not lit up.

—

0 – 1 V

Ignition switch turned ON,
stop lamp lit up.

E23-9

—

—

—

—

—

E23-10

—

—

—

—

—

E23-11

—

—

—

—

—

E23-12

YEL

Diagnosis switch
terminal (if
equipped)

4 – 5 V

Ignition switch turned ON.

—

1A-229 Engine General Information and Diagnosis: For Petrol Engine Model

E23-13

PNK/

BLU

Clock signal for
immobilizer coil
antenna (if
equipped)

10 – 14 V

Ignition switch turned ON.

—

E23-14

—

—

—

—

—

E23-15

WHT/

GRN

Fuel pump relay
output

0 – 2.5 V

For 2 sec. from the time
ignition switch is turned
ON or while engine is
running.

—

10 – 14 V

On and after 2 sec. from
the time ignition switch is
turned ON or while engine
is at stop.

E23-16

BLU/

BLK

Main power supply

10 – 14 V

Ignition switch turned ON.

—

E23-17

GRN

Power supply of
throttle actuator
drive circuit

10 – 14 V

Ignition switch turned ON.

—

E23-18

—

—

—

—

—

E23-19

WHT/

BLU

CAN (low)
communication line
(active low signal)

*0.5 – 2.5 V
(“Reference

waveform No.30: For

Petrol Engine Model”)

Ignition switch turned ON
with engine stop.

CAN communication line
signal is pulse. Pulse
signal displayed with a
regular frequency which
varies depending on
engine condition.

E23-20

GRN/

WHT

Stop lamp switch
signal

0 – 1 V

Ignition switch turned ON,
stop lamp not lit up.

—

10 – 14 V

Ignition switch turned ON,
stop lamp lit up.

E23-21

BLK/

YEL

Cruise control
command switch
ground (if equipped
with cruise control
system)

Below 1.3 V

Ignition switch turned ON.

—

E23-22 LT GRN

Cruise control
command switch
signal (if equipped
with cruise control
system)

4 – 6 V

Ignition switch turned ON.

—

E23-23

—

—

—

—

—

E23-24

YEL/

RED

Fuel level sensor
signal

0 – 6 V

Ignition switch turned ON.
Voltage varies depends on
fuel level.

—

E23-25

—

—

—

—

—

E23-26

—

—

—

—

—

E23-27

—

—

—

—

—

E23-28

GRY/

BLU

Serial
communication line
for immobilizer coil
antenna (if
equipped)

10 – 14 V

Ignition switch turned ON.

—

E23-29

BLK/

WHT

Ignition switch
signal

0 – 1 V

Ignition switch turned OFF.

—

10 – 14 V

Ignition switch turned ON.

E23-30

—

—

—

—

—

E23-31

—

—

—

—

—

E23-32

—

—

—

—

—

E23-33

—

—

—

—

—

E23-34

—

—

—

—

—

Terminal

No.

Wire

color

Circuit

Normal voltage

Condition

Remarks

Engine General Information and Diagnosis: For Petrol Engine Model 1A-230

E23-35

—

—

—

—

—

E23-36

—

—

—

—

—

E23-37

—

—

—

—

—

E23-38

—

—

—

—

—

E23-39

—

—

—

—

—

E23-40

—

—

—

—

—

E23-41

—

—

—

—

—

E23-42

—

—

—

—

—

E23-43

—

—

—

—

—

E23-44

—

—

—

—

—

E23-45

—

—

—

—

—

E23-46

RED/

BLK

Radiator cooling
fan relay No.1
output

10 – 14 V

Ignition switch turned ON,
engine coolant temp.:
below 95

°C (203 °F), or

A/C refrigerant pressure:
below 300 kPa (43.5 psi)
with A/C switch turned on
while engine is running.

—

0 – 2 V

Ignition switch turned ON,
engine coolant temp.: 97.5

°C (207.5 °F) or higher, or
A/C refrigerant pressure:
340 kPa (49.3 psi) or
higher with A/C switch
turned on while engine is
running.

E23-47

RED

Radiator cooling
fan relay No.2
output

10 – 14 V

Ignition switch turned ON,
engine coolant temp.:
below 100

°C (212 °F), or

A/C refrigerant pressure:
below 1300 kPa (188.5
psi) with A/C switch turned
on while engine is running.

—

0 – 2 V

Ignition switch turned ON,
engine coolant temp.:
102.5

°C (216.5 °F) or

higher, or A/C refrigerant
pressure: 1600 kPa (232
psi) or higher with A/C
switch turned on while
engine is running.

E23-48

RED/

YEL

Radiator cooling
fan relay No.3
output

10 – 14 V

Ignition switch turned ON,
engine coolant temp.:
below 100

°C (212 °F), or

A/C refrigerant pressure:
below 1300 kPa (188.5
psi) with A/C switch turned
on while engine is running.

—

0 – 2 V

Ignition switch turned ON,
engine coolant temp.:
102.5

°C (216.5 °F) or

higher, or A/C refrigerant
pressure: 1600 kPa (232
psi) or higher with A/C
switch turned on while
engine is running.

Terminal

No.

Wire

color

Circuit

Normal voltage

Condition

Remarks