Suzuki 2006 SX4, Service Manual

Page: 175 / 1478

Engine General Information and Diagnosis: 1A-131
Terminal
No.
Wire
color
Circuit Normal voltage Condition Remarks
C01-1
BLU/
YEL
Fuel injector No.1
10 – 14 V IG switch: ON —
*0 – 0.6 V
↑↓
10 – 14 V
(“Reference
waveform No.1: ”,
“Reference waveform
No.2: ” and
“Reference waveform
No.24: ”)
Engine: Idle speed after
warming up
Output signal is active low
pulse. Pulse frequency
varies depending on
engine speed.
C01-2
BLU/
WHT
Fuel injector No.2
10 – 14 V IG switch: ON —
*0 – 0.6 V
↑↓
10 – 14 V
(“Reference
waveform No.1: ” and
“Reference waveform
No.3: ”)
Engine: Idle speed after
warming up
Output signal is active low
pulse. Pulse frequency
varies depending on
engine speed.
C01-3 — — — — —
C01-4 — — — — —
C01-5 — — — — —
C01-6 — — — — —
C01-7 — — — — —
C01-8 — — — — —
C01-9 — — — — —
C01-10 — — — — —
C01-11 BRN
Oxygen signal of
HO2S
4 – 5 V IG switch: ON
—
*Approx. 0.7 V
(“Reference
waveform No.4: ” and
“Reference waveform
No.5: ”)
Engine: Idle speed after
warming up
C01-12
RED/
BLU
A/C refrigerant
pressure sensor
signal
1.38 – 1.52 V
Engine: Running
A/C switch: OFF
Blower selector: OFF
A/C refrigerant pressure:
800 kPa (116 psi)
— 2.15 – 2.38 V
Engine: Running
A/C switch: ON
Blower selector > OFF
A/C refrigerant pressure:
1400 kPa (203 psi)
2.67 – 2.95 V
Engine: Running
A/C switch: ON
Blower selector > OFF
A/C refrigerant pressure:
1800 kPa (261 psi)
C01-13
BLU/
BLK
EVAP canister
purge valve output
10 – 14 V
Engine: Stop
IG switch: ON
—
*0 – 0.6 V
↑↓
10 – 14 V
(“Reference
waveform No.6: ”)
EVAP canister purge
valve: 52% (using scan
tool)
Output signal is active low
duty pulse. Duty ratio
varies depending on
vehicle condition.
C01-14
GRY/
RED
Output of 5 V
power source for A/
C refrigerant
pressure sensor
4.5 – 5.5 V IG switch: ON —