Suzuki 2006 SX4 Service Manual page 189

Reference waveform No.22
Knock sensor signal at engine speed 4000 r/min.
Measurement
CH1: "C01-56" to "C01-58"
terminal
Oscilloscope CH1: 1 V/DIV
TIME: 200 µs/DIV
setting
• After warmed up to normal
Measurement
operating temperature
condition
• Run engine at 4000 r/min.
Reference waveform No.23
CAN communication line signal from ABS / ESP®
control module with ignition switch turned ON
Measurement CH1: "E01-4" to "C01-58"
terminal CH2: "E01-19" to "C01-58"
Oscilloscope CH1: 1 V/DIV, CH2: 1 V/DIV
TIME: 40 µs/DIV
setting
Ignition switch turned ON
Measurement
(Signal pattern is depending on
condition
communication data)
1. CAN communication line signal (High)
2. CAN communication line signal (Low)
Engine General Information and Diagnosis:
Reference waveform No.24
Ignition coil signal and fuel injector signal with engine
cranking
Measurement
terminal
Oscilloscope
setting
Measurement
condition
I4RS0B110073-01
1. Cylinder reference signal (CMP reference signal)
2. Ignition coil signal
3. No.1 fuel injector signal
4. Engine start signal
Reference waveform No.25
CAN communication line signal from TCM with ignition
switch turned ON
Measurement
terminal
Oscilloscope
setting
Measurement
condition
I7RW01110028-01
CH1: "C01-52" to "C01-58"
CH2: "C01-21" to "C01-58"
CH3: "C01-1" to "C01-58"
CH4: "C01-22" to "C01-58"
CH1: 5 V/DIV, CH2: 5 V/DIV
CH3: 50 V/DIV, CH4: 10 V/DIV
TIME: 200 ms/DIV
• After warmed up to normal
operating temperature
• Engine at cranking
CH1: "C01-50" to "C01-58"
CH2: "C01-49" to "C01-58"
CH1: 1 V/DIV, CH2: 1 V/DIV
TIME: 40 µs/DIV
Ignition switch turned ON
(Signal pattern is depending on
communication data)
1. CAN communication line signal (High)
2. CAN communication line signal (Low)
1A-145
I7RW01110029-01
I7RW01110030-01