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Home >> Suzuki >> 2008 >> XL7 Base, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation And A/C >> Diagnostic Information and Procedures >> DTC B0158 >> Circuit/System Verification
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Circuit/System Verification

Ignition ON, engine OFF, with a scan tool observe the Ambient Air Temperature Sensor parameter through the DIC. The reading should be the ambient temperature. If the display of the DIC for temperature reads dashes, check for a sensor signal circuit fault.