Operation CHARM: Car repair manuals for everyone.

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 1-3:




Steps 4-8:




Steps 9-12:




Steps 13-21:




The numbers below refer to the step numbers on the diagnostic table.
7. This test is to ensure A/C system is operating normally.
10. The aspirator tube connects to the rear of the HVAC control module.The aspirator tube is used to draw air past the inside air temperature sensor.