Too Hot In Vehicle

TOO HOT IN VEHICLE

DIAGNOSTIC AIDS
The Mitsubishi scroll type A/C compressor carries an internal thermal cut off switch. The thermal cut off switch normal operation is to open and disable the compressor under extreme load and temperatures above 155°C (311°F). The internal thermal cut off switch is non-serviceable.

TEST DESCRIPTION

Steps 1-5:

Steps 6-8:

Steps 9-12:

Steps 13-16:

Steps 17-18:

The number below refers to the step number on the diagnostic table.
12. The voltage will vary between 0-12 volts during normal operation. The HVAC control module connector must be connected during this step.