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Home >> Suzuki >> 2012 >> SX4 Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System - Auto A/C >> Diagnostic Information and Procedures >> Inspection of HVAC Control Module and Its Circuit >> Reference waveform No. 1 >> Rear defogger switch or A/C switch signal (1)
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Rear defogger switch or A/C switch signal (1)

WAVEFORM NO. 1 REFERENCE CHART

Measurement terminal Rear defogger switch
CH1: "G20-4" to "G20-23"
A/C switch
CH1: "G20-21" to "G20-23"
Oscilloscope setting CH1: 5 V/DIV
TIME: 10 ms/DIV
Measurement condition Rear defogger switch:
  • Ignition switch is at ON position and rear defogger switch is not pushed

A/C switch:
  • Ignition switch is at ON position and A/C switch is not pushed
Fig 1: Waveform Graph - Rear Defogger Switch Or A/C Switch Signal
G06868769Courtesy of SUZUKI OF AMERICA CORP.