Suzuki SWIFT RS415 2017, Service Manual

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Heater and Ventilation: 7A-3
Diagnostic Information and Procedures
Heater and Ventilation Symptom Diagnosis
S4RS0A7104001
Condition Possible cause Correction / Reference Item
Blower motor does not
operate with blower
speed selector ON. Fuse blown Check related fuses, and then check for short
circuit to ground.
Blower motor resistor faulty Check blower motor resistor referring to
“Blower Motor Resistor Inspection: ”.
Blower speed selector faulty Check blower speed selector referring to
“Blower Speed Selector Inspection: ”.
Blower motor faulty Check blower motor referring to “Blower Motor
Inspection: ”.
Wiring or grounding faulty Repair as necessary.
Incorrect temperature
output Temperature control cable broken or
bent Check temperature control cable.
Temperature control lever faulty Check temperature control lever.
Incorrect installation of temperature
control cable Check position and adjust it as necessary.
Temperature control door assembly
broken Repair temperature control door assembly.
Air ducts clogged Repair air ducts.
Heater core leaked or clogged Replace heater core.
Heater hoses leaked or clogged Replace heater hoses.
Thermostat faulty Check thermostat referring to “Thermostat
Inspection: in Section 1F”.
Air outlet port does not
change or does not agree
with airflow selector’s
position even if airflow
selector is changed. Airflow control cable broken or bent Check airflow control cable.
Airflow control lever faulty Check airflow control lever.
Incorrect installation of temperature
control cable Check position and adjust it as necessary.
Airflow control door assembly broken Repair airflow control door assembly.
Air ducts leaked or clogged Repair air ducts.
Air intake door does not
change even if air intake
mode is changed. Air intake door broken Repair air intake door.
Air intake control actuator faulty Check air intake control actuator referring to
“Air Intake Control Actuator Inspection: ”.
Air intake switch faulty Check air intake switch referring to “Air Intake
Switch Inspection: ”.
Wiring or grounding faulty Repair as necessary.