If No Can Communication Is Available With ECM

Control part	Fail-safe operation
Cooling fan	Turns ON the cooling fan relay - 2 and the cooling fan relay - 3 when the ignition switch is turned ON (Cooling fan operates at HI) Turns OFF the cooling fan relay - 1, the cooling fan relay - 2 and the cooling fan relay - 3 when the ignition switch is turned OFF (Cooling fan does not operate)
A/C compressor	A/C relay OFF
Alternator	Outputs the power generation command signal (PWM signal) 0%