MPV 2WD V6-3.0L SOHC (1992)
Superheat Switch: Testing and Inspection
A/C THERMO SWITCH
1.
Turn ignition On, turn blower On, and measure voltage at terminals L/W and R/B of the thermo switch connector.
2.
L/W should read 0V, if not, repair wiring as necessary.
3.
R/B should read 12V, if not check ECU operation. If 12V is read and evaporator surface temperature is below 32°F, system is operating normal. If
not, replace thermo switch.
