Diesel Data: Automotive Repair

Heater Control Valve Relay: Testing and Inspection

HEATER RELAY

ON-VEHICLE INSPECTION

1. INSPECT HEATER RELAY (Marking: HTR)




a. Remove the heater relay from the instrument panel junction block.




b. Measure the resistance according to the value(s) in the table given.

If the resistance is not as specified, replace the heater relay.