AC–57 AIR CONDITIONING SYSTEM – TROUBLESHOOTING INSPECTION PROCEDURE 1 Check voltage between terminal ACC of A/C amplifier connector and body ground. ACC Connect P Remove the A/C amplifier with connector still connected C 1. Turn ignition switch To ACC. 2. Measure voltage between terminals ACC of A/C amplifier connector and body ground. OK Voltage: Battery positive voltage ACC B63840 N08813 NG OK Proceed to next circuit inspection shown on matrix chart (See page AC–26). 2 Check CIG fuse. J/B No. 1 CIG Fuse N09022 P Remove CIG fuse from J/B No. 1. C Check continuity of CIG fuse. OK Continuity OK NG Check for short in all the harness and components to the CIG fuse (See attached wiring diagram). Check and repair harness and connector between A/C amplifier and battery.