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A/C Cut Control System

WARNING: This page is about a different car, the 1995 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
  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. Wit h 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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