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SEL601W DIAGNOSTIC PROCEDURE 1 =NHEL0277S04 (Power supply and ground circuit for driver’s seat control unit) Power Supply Circuit Check NHEL0277S0401 Check voltage between seat control unit LH terminal 1 and ground. Terminals Ignition switch position OFF ACC ON START 1 - Ground Battery voltage If NG, check the following. I Circuit breaker I Harness for open or short between circuit breaker and seat SEL602W Ground Circuit Check NHEL0277S0402 Check continuity between seat control unit LH terminal 33 and Terminals Continuity 33 - Ground Yes GI MA EM LC EC FE AT AX SU BR ST RS BT HA SC IDX AUTOMATIC DRIVE POSITIONER Trouble Diagnoses (Cont’d) EL-233 |