Suzuki Swift Sport 2004 Service & Repair Manual page 239

Reference waveform No.18
MAF sensor signal (1) with engine racing
Measurement CH1: "C37-26" to "C37-27"
terminal CH2: "C37-54" to "C37-55"
Oscilloscope CH1: 1 V/DIV, CH2: 1 V/DIV
setting TIME: 200 ms/DIV
• After warmed up to normal
Measurement
operating temperature
condition
• Engine racing
2. TP sensor signal
3. Racing
4. Idle
Reference waveform No.19
Generator control signal (1) at engine idling
Measurement
CH1: "C37-28" to "C37-58"
terminal
Oscilloscope CH1: 5 V/DIV
setting TIME: 10 ms/DIV
• After warmed up to normal
operating temperature
Measurement
• Engine at specified idle speed
condition
• For a few sec. from headlight
switch turned ON
Engine General Information and Diagnosis:
Reference waveform No.20
EVAP canister purge valve signal
Measurement
terminal
Oscilloscope
setting
Measurement
condition
I4RS0B110066-01
1. ON signal
2. OFF signal
3. One duty cycle
4. 10 – 14 V
I7RS0B110015-01
CH1: "C37-29" to "C37-58"
CH1: 10 V/DIV
TIME: 40 ms/DIV
• After warmed up to normal
operating temperature
• EVAP canister purge valve setting
at 52% by using "Misc Test" of
scan tool
1A-189
I4RS0B110067-01