Suzuki Vitara (LY) 2016-2017 · Service Manual Automatic Type · Diagnostic Information and Procedures

Fail-Safe Table

Precautions: Precautions for Diagnosing Trouble · General safety (00)

DTC Fail-safe operation
B1502-H icon 
/ B1502-L icon 
HVAC control module controls actuators assuming that inside air temperature is 25 °C (77 °F).
B1503 icon  HVAC control module controls actuators assuming that evaporator temperature is 0 °C (32 °F).
B1504-L icon  HVAC control module controls actuators assuming that amount of sunlight is 0 W/m2.
B1544 icon  HVAC control module controls actuators assuming the following points.
•Temperature selector is at 25 °C (77 °F) position.
•Air flow switch is in “DEF” mode.
•Air intake switch is in “FRE” mode.
•Blower controls to “Auto”.
•A/C system is ON.
•Rear defogger is OFF.
B1550-H / B1550-L icon 
B1557 icon  HVAC control module controls actuators assuming that vehicle speed is 40 km/h (25 mile/h).
B1561 icon  HVAC control module controls actuators assuming that engine coolant temperature is 80 °C (176 °F).
B1562 icon  HVAC control module controls actuators assuming that outside air temperature is 20 °C (68 °F).
B1570 icon  HVAC control module controls actuators based on the data before detection of DTC.
B1571 icon