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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 1-4:




Steps 5-7:




Steps 8 - 11:




Steps 12-14:




Steps 15-18:




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.