EFE Relay: Testing and Inspection
ON-VEHICLE INSPECTION1. REMOVE PTC HEATER RELAY (Marking: HTR SUB1)
a. Remove the heater relay from the engine room relay block.
2. INSPECT PTC HEATER RELAY
a. Measure the resistance of the relay.
If the value is not as specified, replace the PTC heater relay.
3. INSTALL PTC HEATER RELAY