PTC Heater Circuit (Heater Radiator)

CIRCUIT DESCRIPTION

A/C amplifier switches the HTR1 relay and HTR2 relay ON by signal from the A/C amplifier. It supplies power to PTC heater (Heater radiator).

Wiring Diagram:

Steps 1 - 2:

Steps 3 - 4:

Steps 5 - 6:

INSPECTION PROCEDURE