HEATER AND VENTILATION
1A-5
RADIATOR FAN SIGNAL RELAY
INSPECTION
1) Disconnect negative (–) cable at battery.
2) Remove supplementary ceramic heater relay (1) from junction
box (2).
3) Check that there is continuity between terminal “c” and “d”. If
there is no continuity, replace relay.
4) Check that there is no continuity between terminal “c” and “d”
when a 12 V battery is connected to terminals “a” and “b”.
If malfunction is found, replace it with a new one.
SUPPLEMENTARY HEATER SWITCH
REMOVAL
1) Remove rear console box (1).
2) Remove front console box mounting screws (2) and clips (3).
3) Disconnect console box wire coupler.
4) Remove rear console box.
5) Disconnect supplementary heater switch connector.
6) Remove supplementary heater switch (5) from console box (4).