Suzuki Liana RH413, Service Manual

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Engine General Information and Diagnosis: 1A-114
3. Reference waveform No.3
Heated oxygen sensor-1 heater signal at engine idling
4. Reference waveform No.4
IAC valve signal
5. Reference waveform No.5
EGR valve signal
6. Reference waveform No.6
Ignition coil No.2 and No.3 signal at engine idling
Measurement
terminal CH1: C41-13 to C41-10
CH2: C41-7 to C41-1
Oscilloscope
setting CH1: 500 mV/DIV, CH2: 10 V/DIV
TIME: 200 ms/DIV
Measurement
condition • After warmed up to normal
operating temperature
• Engine at specified idle speed
1. Heated oxygen sensor-1 signal
2. Heated oxygen sensor-1 heater signal
Measurement
terminal CH1: C41-6 to C41-1
Oscilloscope
setting CH1: 5 V/DIV
TIME: 4 ms/DIV
Measurement
condition • After warmed up to normal
operating temperature
• Engine at specified idle speed
I3RH0A110029-01
I3RH0A110030-01
Measurement
terminal CH1: C41-18 to C41-1
CH2: C41-29 to C41-1
CH3: C41-17 to C41-1
CH4: C41-28 to C41-1
Oscilloscope
setting CH1: 20 V/DIV, CH2: 20 V/DIV
CH3: 20 V/DIV, CH4: 20 V/DIV
TIME: 40 ms/DIV
Measurement
condition Engine at cranking
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
Measurement
terminal CH1: C41-11 to C41-1
CH2: C41-19 to C41-1
Oscilloscope setting CH1: 2 V/DIV, CH2: 2 V/DIV
TIME: 40 ms/DIV
Measurement
condition • After warmed up to normal
operating temperature
• Engine at specified idle speed
1. Cylinder reference signal (CMP reference signal)
2. No.2 and No.3 ignition signal
I3RH0A110031-01
I3RH0A110032-01