Suzuki 2006 SX4, Service Manual

Page: 179 / 1478

Engine General Information and Diagnosis: 1A-135
C01-49 WHT
CAN (low)
communication line
(active low signal)
to TCM
1.5 – 2.5 V
(“Reference
waveform No.25: ”)
Engine: Stop
IG switch: ON
CAN communication
signal is serial
communication signal
pulse. Pulse signal
displayed with a regular
frequency varies
depending on engine
condition.
C01-50 RED
CAN (high)
communication line
(active high signal)
to TCM
2.5 – 3.5 V
(“Reference
waveform No.25: ”)
Engine: Stop
IG switch: ON
CAN communication
signal is serial
communication signal
pulse. Pulse signal
displayed with a regular
frequency varies
depending on engine
condition.
C01-51 PNK CKP sensor (+)
0 – 1 V IG switch: ON —
*4 – 6 V
↑↓
–4 – –6 V
(“Reference
waveform No.17: ”
and “Reference
waveform No.18: ”)
Engine: Idle speed after
warming up
Output signal is sinusoidal
waveform.
Waveform frequency
varies depending on
engine speed. (30 (36 – 6)
pulses are generated par
1 crankshaft revolution.)
C01-52
RED/
YEL
CMP sensor signal
0 – 1 V or 4 – 5 V IG switch: ON —
*0 – 0.6 V
↑↓
4 – 5 V
(“Reference
waveform No.17: ”
and “Reference
waveform No.18: ”)
Engine: Idle speed after
warming up
Sensor signal is pulse.
Pulse frequency varies
depending on engine
speed.
(6 pulses are generated
per 1 camshaft revolution.)
C01-53 RED
Output for 5 V
power source of TP
sensor
4.5 – 5.5 V IG switch: ON —
C01-54 GRN
TP sensor (main)
signal
0.45 – 0.75 V
IG switch: ON
Engine: After warmed up
Accelerator pedal:
Released
—
3.67 – 4.25 V
IG switch: ON
Engine: After warmed up
Accelerator pedal:
Depressed fully
C01-55 — — — — —
C01-56 RED
Knock sensor
signal
2 – 3 V
(“Reference
waveform No.21: ”
and “Reference
waveform No.22: ”)
Engine: Running at 4000 r/
min. after warmed up
—
C01-57
GRY/
BLU
Ground for sensors Below 0.3 V IG switch: ON —
C01-58
BLK/
ORN
Ground for ECM Below 0.3 V IG switch: ON —
C01-59 — — — — —
C01-60 — — — — —
Terminal
No.
Wire
color
Circuit Normal voltage Condition Remarks