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Home >> Mercury >> 1993 >> Capri Base, Automatic >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> A/C-Heater System - Manual >> Testing >> A/C System >> 19) A/C Control Module Operation
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19) A/C Control Module Operation

Checks are made at harness side of A/C control module connector with module connected. See A/C CONTROL MODULE VOLTAGE TEST  table for correct voltage. If voltage is not correct, replace A/C control module. If voltage is correct go to next step.

A/C CONTROL MODULE VOLTAGE TEST

Test Conditions & Wire Color Volts
Key On, A/C Off Blower Off
Red More Than 10
Yellow More Than 10
Green More Than 10
White/Blue More Than 10
White/Blue More Than 10
Yellow/Green More Than 10
Key On, A/C Off Blower On
Red 2.2
Yellow More Than 10
Green 1.5
White/Blue 3.3
White/Blue 3.3
Yellow/Green 1.5
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