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DIAGNOSTIC PROCEDURE 3 =NCSC0020S05 Check “S” Terminal Circuit NCSC0020S0501 1 CHECK “S” TERMINAL CONNECTION Check to see if “S” terminal is clean and tight. OK or NG OK © GO TO 2. NG © Repair “S” terminal connection. Confirm repair by performing complete Battery/Starting/ 2 CHECK ALTERNATOR “S” TERMINAL CIRCUIT Check voltage between alternator connector E106 terminal 4 (W) and ground using a digital circuit tester. SEL953X OK or NG OK © GO TO 3. NG © Check the following. I 7.5A fuse (No. 37, located in fuse and fusible link box) I Harness for open or short between alternator and fuse 3 CHECK “S” TERMINAL CONNECTION QUALITY (VOLTAGE DROP TEST) Check voltage between alternator connector E106 terminal 4 (W) and battery positive terminal using a digital tester. SEL954X OK or NG OK © Replace the alternator. Confirm repair by performing complete Battery/Starting/Charging NG © Check harness between the battery and the alternator for poor continuity. MALFUNCTION INDICATOR NCSC0020S06 The IC regulator warning function activates to illuminate “CHARGE” warning lamp, if any of the following symptoms occur I Excessive voltage is produced. I No voltage is produced. GI MA EM LC EC FE CL MT AT AX SU BR ST RS BT HA EL IDX CHARGING SYSTEM Trouble Diagnoses with Battery/Starting/Charging System Tester (Cont’d) SC-29 |