Suzuki SX4 Service Manual page 233

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Reference waveform No.3
No.2 fuel injector signal (2) with engine idling
Measurement
CH1: "C01-20" to "C01-58"
terminal
CH2: "C01-2" to "C01-58"
Oscilloscope
CH1: 5 V/DIV, CH2: 20 V/DIV
setting
TIME: 40 ms/DIV
• After warmed up to normal
Measurement
operating temperature
condition
• Engine at specified idle speed
[A]: For VVT model
[B]: For non-VVT model
1. Cylinder reference signal (CMP reference signal)
3. 720° crank angle
Engine General Information and Diagnosis:
Reference waveform No.4
EGR valve signal
Measurement
terminal
Oscilloscope
setting
Measurement
condition
1. EGR valve stepper motor coil 1 signal
2. EGR valve stepper motor coil 2 signal
3. EGR valve stepper motor coil 3 signal
4. EGR valve stepper motor coil 4 signal
5. ON signal
6. OFF signal
I4RS0B110052-01
CH1: "C01-4" to "C01-58"
CH2: "C01-3" to "C01-58"
CH3: "C01-19" to "C01-58"
CH4: "C01-18" to "C01-58"
CH1: 20 V/DIV, CH2: 20 V/DIV
CH3: 20 V/DIV, CH4: 20 V/DIV
TIME: 40 ms/DIV
Engine at cranking
1A-183
I4RS0B110053-01

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