Component Tests and General Diagnostics
INSPECT SEAT CUSHION CONTINUITYHINT: For the following inspection, keep temperature around thermostat below 30 °C (86 °F).
a. Check that there is continuity between terminal 1 and 3.
b. Check that there is continuity between terminal 1 and 2.
c. Heat thermostat B with a light. Check there is no continuity above 45 °C (113 °F) between terminal 1 and 2.
d. Heat thermostat A with a light. Check there is no continuity above 55 °C (131 °F) between terminal 1 and 3.
e. Cool 2 thermostat below 25 °C (77 °F). Check that there is continuity between terminal 1 and 3, 1 and 2.
If continuity is not as specified, replace the seat cushion.
INSPECT SEAT BACK CONTINUITY
Inspect the seat heater continuity between terminals.
If continuity is not as specified, replace the seat back pad.