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A/C Cut Control System

  1. Remove glove box. Turn ignition on. Leave harness connectors attached to ECM. See COMPONENT LOCATIONS  under INTRODUCTION. Measure voltage between chassis ground and terminal No. 5 (Light Green/Red wire) of ECM connector E10. To identify ECM connectors and terminals, see Figure. With A/C on, battery voltage should be present. With A/C off, 0-2 volts should be present.
  2. If voltage is as specified, replace A/C control assembly. If voltage is not as specified, check for open or short in circuit between ECM and A/C control assembly. If circuit is okay, replace A/C control assembly.
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