Suzuki Grand Vitara SQ416/SQ420/420WD

Since 1998 of release

Diagnostics

The diagnostic table

Malfunction	The possible reason	Elimination methods
The heater fan does not work, even when it is included	Has burnt down a safety lock of the fan of a heater	Replace a safety lock, to check up on short circuit
	The fan resistor is damaged	Check up the resistor
	Malfunction of conducting or grounding	Replace if necessary
Incorrect temperature of blown air	Operating cables have broken or have got confused	Check up cables
	It is broken air заслонка	Repair заслонку
	Air lines are littered	Repair air lines
	The heater radiator proceeds or is littered	Replace a radiator
	Heater branch pipes proceed or are littered	Replace branch pipes
At switching of a regulator of operating modes, the aperture for air release does not change	Malfunction of the switch of modes of a heater	Check up the switch of modes of a heater
	Malfunction of the executive mechanism of change of modes	Check up the switch of modes of a heater
	Has burnt down a safety lock	Replace a safety lock, to check up on short circuit
	Malfunction of conducting or grounding	Replace if necessary
	It is broken air заслонка	Repair заслонку
	Air lines are littered	Repair air lines