Typical Enabling Conditions

All: 

Fig 1: Typical Enabling Conditions Chart (All)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

ECT sensor stuck (low ECT): 

Fig 2: Typical Enabling Conditions Chart - ECT Sensor Stuck (Low ECT)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

ECT sensor stuck (high ECT): 

Fig 3: Typical Enabling Conditions Chart - ECT Sensor Stuck (High ECT)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002