Too Hot In Vehicle - Primary

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

Step 1-3:

Step 4-7:

Step 8-10:

Step 11-14:

Step 15-19:

The number below refers to the step number on the diagnostic table.
13. The voltage will vary between .25-14.7 volts during normal operation. The HVAC control module connector must be connected during this step.