Evap Canister Purge Valve Signal; No.4 Fuel Injector Signal With Engine Idling; No.3 Fuel Injector Signal With Engine Idling - Suzuki GRAND VITARA JB416 Service Manual

Reference waveform No.9

EVAP canister purge valve signal

Measurement
CH1: "C37-13" to "C37-58"
terminal
Oscilloscope CH1: 10 V/DIV
setting TIME: 40 ms/DIV
• After warmed up to normal
operating temperature
Measurement
• Set EVAP canister purge valve at
condition
52% by using "Misc Test" of scan
tool
1. ON signal
2. OFF signal
3. One duty cycle
4. 10 – 14 V
Reference waveform No.10
No.3 fuel injector signal (2) with engine idling
Measurement CH1: "C37-52" to "C37-58"
terminal CH2: "C37-16" to "C37-58"
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
1. Cylinder reference signal (CMP reference signal)
3. 720° crank angle
Engine General Information and Diagnosis:
Reference waveform No.11
No.4 fuel injector signal (2) with engine idling
Measurement
terminal
Oscilloscope
setting
Measurement
condition
1. Cylinder reference signal (CMP reference signal)
I4RS0B110067-01
3. 720° crank angle
I5JB0A110081-01
CH1: "C37-52" to "C37-58"
CH2: "C37-17" to "C37-58"
CH1: 5 V/DIV, CH2: 20 V/DIV
TIME: 40 ms/DIV
• After warmed up to normal
operating temperature
• Engine at specified idle speed
1A-59
I5JB0A110082-01