Component Tests and General Diagnostics

SEAT HEATER INSPECTION







1. INSPECT SEAT CUSHION CONTINUITY
a. Heat the 2 thermostats with a light and check that there is no continuity above 45° C (113° F) between terminal 1 and 2.
b. Cool the 2 thermostats below 15° C (59° F) between terminals 1 and 2.
c. Check that there is continuity between terminals 1 and 3.

If continuity is not as specified, replace the seat heater.







2. INSPECT SEAT BACK CONTINUITY
Check that there is continuity between terminals 1 and 2.

If continuity is not as specified, replace the seat back pad.