Reference waveform No. 4

Auto-on headlight, brake fluid level, parking brake or driver side seat belt switch signal (1)

WAVEFORM 4 REFERENCE

Measurement terminal

Lighting switch signal (AUTO:)
CH1: "G30-21" to "G30-12"
Brake fluid level switch signal:
CH1: "G31-7" to "G30-12"
Parking brake switch signal:
CH1: "G31-8" to "G30-12"
Driver side seat belt switch signal:
CH1: "G31-40" to "G30-12"

Oscilloscope setting

CH1: 2 V/DIV
TIME: 20 ms/DIV

Measurement condition

Lighting switch (AUTO):

Ignition switch is at ON position and lighting switch is at OFF position

Brake fluid level switch:

Ignition switch is at ON position and brake fluid level is at specified level

Parking brake switch:

Ignition switch is at ON position and parking brake lever is released

Driver side seat belt switch:

Ignition switch is at ON position and driver seat belt is fastened

Fig 1: Waveform 4 Signal Pattern

Courtesy of SUZUKI OF AMERICA CORP.