Suzuki GRAND VITARA Owner's Manual page 1669

Reference waveform No. 1
HVAC control module serial communication signal (1)
Measurement terminal CH1: "G30-4" to "G30-12"
Oscilloscope setting CH1: 5 V / DIV
TIME: 2 ms / DIV
Measurement Ignition switch is at ON position
condition
Reference waveform No. 2
HVAC control module and information display serial
communication signal (1)
Measurement terminal CH2: "G30-5" to "G30-12"
Oscilloscope setting CH1: 5 V/DIV
TIME: 10 ms/DIV
Measurement Ignition switch is at ON position
condition
Reference waveform No. 3
Rear wiper LOW or INT signal (1)
Measurement terminal Rear wiper LOW signal:
Oscilloscope setting
Measurement
condition
I5JB0AA20013-01
Reference waveform No. 4
SDM communication signal (1)
Measurement terminal CH1: "G30-19" to "G30-12"
Oscilloscope setting
Measurement
condition
I5JB0AA20014-01
Body Electrical Control System:
CH1: "G30-6" to "G30-12"
Rear wiper INT signal:
CH1: "G30-7" to "G30-12"
CH2: 5 V/DIV
TIME: 10 ms/DIV
Rear wiper LOW signal:
• Ignition switch is at ON
position, rear wiper switch is
at any position other than
LOW position
Rear wiper INT signal:
• Ignition switch is at ON
position, rear wiper switch is
at any position other than
INT position
CH1: 2 V/DIV
TIME: 400 ms/ DIV
Ignition switch is at ON position
10B-33
I5JB0AA20015-01
I5JB0AA20016-01