Suzuki Swift Sport 2004 Service & Repair Manual page 1440

10B-37 Body Electrical Control System:
Reference waveform No. 7
BCM – combination meter CAN communication signal
CH2: "G37-2" to "G33-3"
Measurement terminal
CH3: "G37-4" to "G33-3"
CH2: 1 V / DIV
Oscilloscope setting CH3: 1 V / DIV
TIME: 40 µs / DIV
Measurement Ignition switch is at ON position
condition
1. CAN communication line signal (High)
2. CAN communication line signal (Low)
Reference waveform No. 8
Information display serial communication signal (1)
Measurement terminal CH2: "G37-11" to "G33-3"
CH2: 5 V / DIV
Oscilloscope setting
TIME: 2 ms / DIV
Measurement
Ignition switch is at ON position
condition
Reference waveform No. 9
Keyless entry receiver signal (1)
Measurement terminal CH2: "G37-14" to "G33-3"
Oscilloscope setting
Measurement
condition
I4RS0AA20020-02
Reference waveform No. 10
A/C switch signal (1)
Measurement terminal CH2: "G37-18" to "G33-3"
Oscilloscope setting
Measurement
condition
I4RS0AA20021-02
CH2: 2 V / DIV
TIME: 200 ms / DIV
Lock or unlock button of
keyless entry transmitter is
pushed
I4RS0AA20022-02
CH2: 5 V / DIV
TIME: 10 ms / DIV
Ignition switch is at ON position,
A/C switch or blower speed
selector is at OFF position
I4RS0AA20023-02