Suzuki 2006 SX4 Service Manual page 188

1A-144 Engine General Information and Diagnosis:
Reference waveform No.19
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
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.20
Throttle actuator output signal with ignition switch turned
ON
Measurement
terminal
Oscilloscope
setting
Measurement
condition
I7RW01110025-01
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
Reference waveform No.21
Knock sensor signal at engine speed 4000 r/min.
Measurement
terminal
Oscilloscope
setting
Measurement
condition
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
CH1: "C01-56" to "C01-58"
CH1: 1 V/DIV
TIME: 10 ms/DIV
• After warmed up to normal
operating temperature
• Run engine at 4000 r/min.
I7RW01110027-01
I4RS0B110072-01