On-Board Diagnostic System Description
On-Board Diagnostic System DescriptionNOTE: The diagnostic information as diagnostic trouble code (DTC) can be known by using SUZUKI scan tool. For further details, refer to DTC Check:Automatic Type.
HVAC control module detects malfunctions, which may occur in the following area.
^ Inside air temperature sensor
^ Evaporator temperature sensor
^ Sunload sensor
^ Temperature control actuator
^ Air flow control actuator
^ Temperature selector of HVAC control module
^ Air flow selector of HVAC control module
^ Blower speed selector of HVAC control module
^ Back-up power supply circuit of HAVC control module
^ Serial communication line between BCM and HVAC control module
^ Received data from BCM as follows
^ Outside air temperature sensor signal
^ ECT sensor signal
^ A/C refrigerant pressure sensor signal
^ VSS signal
^ Engine type signal
^ Combination meter spec signal
^ CAN communication circuit failure signal
When HVAC control module detects malfunction, the "A/C" indicator light (1) flashes to warn and the diagnostic trouble code (DTC) is stored in the memory of the module. When diagnosing trouble, the DTC can be checked according to DTC Check:Automatic Type.