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3 CHECK PARK POSITION SWITCH INPUT SIGNAL Check voltage between seat control unit LH terminal 21 and ground. SEL631W OK or NG OK © GO TO 4. NG © Check the following. I Park position switch I Park position switch ground circuit I Harness for open or short between seat control unit LH and park position switch 4 CHECK DRIVER DOOR SWITCH INPUT SIGNAL Check voltage between seat control unit LH terminal 9 and ground. SEL632W OK or NG OK © GO TO 5. NG © Check the following. I Driver door switch I Driver door switch ground circuit I Harness for open or short between seat control unit LH and driver door switch 5 CHECK VEHICLE SPEED SENSOR Does speedometer operate normally? Yes or No OK © GO TO 6. NG © Check speedometer and vehicle speed sensor circuit. Refer to EL-157. GI MA EM LC EC FE AT AX SU BR ST RS BT HA SC IDX AUTOMATIC DRIVE POSITIONER Trouble Diagnoses (Cont’d) EL-261 |