Relay (w/ PTC Heater)

HEATING / AIR CONDITIONING: RELAY (w/ PTC Heater): ON-VEHICLE INSPECTION

ON-VEHICLE INSPECTION

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.





2. REMOVE PTC HEATER RELAY (PTC HTR 1, PTC HTR 2, PTC HTR 3)
(a) Remove the 3 PTC heater relays from the engine room relay block.






3. INSPECT PTC HEATER RELAY (PTC HTR 1, PTC HTR 2, PTC HTR 3)
(a) Measure the resistance of the relay.
Standard Resistance:





- If the result is not as specified, replace the relay.





4. INSTALL PTC HEATER RELAY (PTC HTR 1, PTC HTR 2, PTC HTR 3)
(a) Install the 3 PTC heater relays to the engine room relay block.
5. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL