Suzuki SX4 Service Manual page 241

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Reference waveform No.25
Ignition pulse (engine revolution) signal (2) with engine
idling
Measurement
CH1: "C01-20" to "C01-58"
terminal
CH2: "E01-4" to "C01-58"
Oscilloscope
CH1: 5 V/DIV, CH2: 5 V/DIV
setting
TIME: 10 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. 360° crank angle
4. 2 to 4 msec.
5. 10 – 14 V
Reference waveform No.26
Throttle actuator output signal with ignition switch turned
ON
Measurement
CH1: "C01-45" to "C01-58"
terminal
CH2: "C01-44" to "C01-58"
Oscilloscope
CH1: 5 V/DIV, CH2: 5 V/DIV
setting
TIME: 2 ms/DIV
• After warmed up to normal
operating temperature
Measurement
condition
• Ignition switch turned ON and
accelerator pedal at idle position
Engine General Information and Diagnosis:
1. Throttle actuator drive signal ("C01-45" terminal)
2. Throttle actuator drive signal ("C01-44" terminal)
3. ON signal
4. OFF signal
5. One duty cycle
Reference waveform No.27
Throttle actuator output signal with ignition switch turned
ON
Measurement
terminal
Oscilloscope
setting
Measurement
condition
I4RS0B110078-01
1. Throttle actuator drive signal ("C01-45" terminal)
2. Throttle actuator drive signal ("C01-44" terminal)
3. ON signal
4. OFF signal
5. One duty cycle
CH1: "C01-45" to "C01-58"
CH2: "C01-44" to "C01-58"
CH1: 5 V/DIV, CH2: 5 V/DIV
TIME: 2 ms/DIV
• After warmed up to normal
operating temperature
• Ignition switch turned ON and
accelerator pedal at full
depressed position
1A-191
I4RS0B110081-02
I4RS0B110082-02

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