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1 CHECK POWER SUPPLY FOR AUTO AMP. (LCU) SIDE Do approx. 12 volts exist between auto amp. (LCU) harness terminal No. 21 and body ground? SHA966EB NOTE: Yes or No Yes © GO TO 2. No © Replace auto amp. (LCU). 2 CHECK SIGNAL FOR AUTO AMP. (LCU) SIDE Do approx. 5.5 volts exist between auto amp. (LCU) terminal No. 16 and body ground? SHA965EB NOTE: Yes or No Yes © GO TO 3. No © Replace auto amp. (LCU). 3 CHECK POWER SUPPLY FOR MOTOR SIDE Do approx. 12 volts exist between door motor (LCU) harness terminal No. 21 and body ground? SHA172F Yes or No Yes © GO TO 4. No © Repair harness or connector. GI MA EM LC EC FE CL MT AT AX SU BR ST RS BT SC EL IDX TROUBLE DIAGNOSES AUTO Mode Door Motor (Cont’d) HA-51 |