Ну посмотрите вы в сервис - мануал !!!!
Почему все вопросы задают, что-то и не так отвечают, а прочитать - ленятся ???
Ниже - цитата из сервис-мануала 2007 года, страницы DI-4 - DI-5.
Синяя лампочка перестала устанавливаться начиная с VIN SJNF*AE11**068587 и далее.....
Цитата
LOW WATER TEMPERATURE INDICATOR LAMP, HIGH WATER TEMPERATURE WARNING LAMP (VIN <SJNF*AE11**068587)
The water temperature warning/indicator lamp indicate the engine coolant temperature.
ECM provides a engine coolant temperature signal to combination meter for water temperature warning/indicator lamp via CAN communication line.
When turn ignition switch ON, water temperature warning/indicator lamp will be ON with red color for 1 second then blue color for 1 second.
After engine started,
Water temperature warning/indicator lamp will be ON with blue color while engine coolant temperature is less than 55 °C.
Water temperature warning/indicator lamp will be OFF with blue color, while engine coolant temperature is more than 55 °C.
Water temperature warning/indicator lamp will be OFF, while engine coolant temperature is between 55 °C and 114 °C.
Water temperature warning/indicator lamp will be ON with red color, while engine coolant temperature is more than 114 °C.
Water temperature warning/indicator lamp will be OFF with red color, while engine coolant temperature is less than 108 °C.
LOW WATER TEMPERATURE INDICATOR LAMP, HIGH WATER TEMPERATURE WARNING LAMP (VIN >SJNF*AE11**068587)
The water temperature warning/indicator lamp indicate the engine coolant temperature.
ECM provides a engine coolant temperature signal to combination meter for water temperature warning/indicator lamp via CAN communication line.
When turn ignition switch ON, water temperature warning/indicator lamp will be ON with red color for 1 second.
After engine started,
Water temperature warning/indicator lamp will be OFF, while engine coolant temperature is between 55 °C and 114 °C.
Water temperature warning/indicator lamp will be ON with red color, while engine coolant temperature is more than 114 °C.
Water temperature warning/indicator lamp will be OFF with red color, while engine coolant temperature is less than 108 °C.