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Home >> Suzuki >> 2002 >> XL-7 Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 90 (Manual A/C Systems) >> Repair Instructions >> HVAC Control Module and Its Circuits Inspection >> Reference Waveform
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Reference Waveform

WARNING: This page is about a different car, the 2004 Suzuki XL-7 and 2004 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: The shape of waveform varies with engine coolant temperature.
Fig 1: Reference Waveform Chart
G00757858Courtesy of SUZUKI OF AMERICA CORP.

Waveform at 0 °C (32 °F)

Fig 2: Measuring Waveform At 0 °C (32 °F)
G00757859Courtesy of SUZUKI OF AMERICA CORP.

Waveform at 40 °C (104 °F)

Fig 3: Measuring Waveform At 40 °C (104 °F)
G00757860Courtesy of SUZUKI OF AMERICA CORP.

Waveform at 80 °C (176 °F)

Fig 4: Measuring Waveform At 80 °C (176 °F)
G00757861Courtesy of SUZUKI OF AMERICA CORP.

Reference Graph 

Fig 5: Reference Graph
G00757862Courtesy of SUZUKI OF AMERICA CORP.