Monitor "AUXILIARY HEATER", "AIR TEMPERATURE SNSR" and "WATER TEMP. SENSOR" parameter on the scan tool.
☞ As soon as turning engine ON "AUXILIARY HEATER" parameter turns "ON". Check if the parameter turns "OFF" after engine is warmed up.
Specification : When one of the following condition is met at engine rpm is over 600rpm and battery voltage is over 10.5V. : "AUXILIARY HEATER" is "ON".
☞ If IATS is below -20℃, ON until coolant temperature reaches 80℃± 10℃.
☞ If IATS is below -5℃, ON until coolant temperature reaches 75℃± 10℃.
☞ If IATS is below 10℃, ON until coolant temperature reaches 70℃± 10℃.
☞ If IATS is below 20℃, ON until coolant temperature reaches -10℃~ 10℃.
Fig.1) "AUXILIARY HEATER" turns "OFF" as soon as engine coolant temp. reaches 70℃.
check relay operation using "ACTUATION TEST" function on the Scan tool.
Fig.2) "ACTUATION TEST"
