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Some Motors Do Not Operate

Slide operation failure

DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1 CHECK SWITCH. Disconnect the connector of power seat switch assembly. Measure the resistance between connector terminals when moving the switch to slide forward and slide backward. < Ref. to CHECK POWER SEAT SWITCH , INSPECTION, Power Seat System. >	Is the inspection result normal?	Go to step 2.	Replace the power seat switch assembly.
2 CHECK HARNESS. Disconnect the power seat switch connector and slide motor connector. Measure the resistance between power seat switch connector and slide motor connector. Connector & terminal (R200) No. 8 - (R202) No. 5: (R200) No. 7 - (R202) No. 1:	Is the resistance less than 10 Ω?	Go to step 3.	Check power seat harness.
3 CHECK SLIDE MOTOR. Connect the power seat switch connector and slide motor connector. Apply 12 V to the slide motor and check the motor rotation. Connector & terminal (R202) No. 5 (+) - (R202) No. 1 (-): (R202) No. 1 (+) - (R202) No. 5 (-):	Does the motor rotate normally?	Check for temporary poor contact or mechanical trouble in slide rail.	Slide motor problem. Replace the seat cushion frame assembly.

Malfunction of tilt operation

DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1 CHECK SWITCH. Disconnect the connector of power seat switch assembly. Measure the resistance between connector terminals when moving the switch to tilt up and tilt down. < Ref. to CHECK POWER SEAT SWITCH , INSPECTION, Power Seat System. >	Is the inspection result normal?	Go to step 2.	Replace the power seat switch assembly.
2 CHECK HARNESS. Disconnect the power seat switch connector and tilt motor connector. Measure the resistance between power seat switch connector and tilt motor connector. Connector & terminal (R200) No. 3 - (R203) No. 4: (R200) No. 2 - (R203) No. 6:	Is the resistance less than 10 Ω?	Go to step 3.	Check power seat harness.
3 CHECK TILT MOTOR. Connect the power seat switch connector and tilt motor connector. Apply 12 V to the tilt motor and check the motor rotation. Connector & terminal (R203) No. 4 (+) - (R203) No. 6 (-): (R203) No. 6 (+) - (R203) No. 4 (-):	Does the motor rotate normally?	Check for temporary poor contact or mechanical trouble in tilt mechanism.	Tilt motor problem. Replace the seat cushion frame assembly.

Malfunction of lifter operation

DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1 CHECK SWITCH. Disconnect the connector of power seat switch assembly. Measure the resistance between connector terminals when moving the switch to lifter up and lifter down. < Ref. to CHECK POWER SEAT SWITCH , INSPECTION, Power Seat System. >	Is the inspection result normal?	Go to step 2.	Replace the power seat switch assembly.
2 CHECK HARNESS. Disconnect the power seat switch connector and lifter motor connector. Measure the resistance between power seat switch connector and lifter motor connector. Connector & terminal (R200) No. 6 - (R204) No. 6: (R200) No. 9 - (R204) No. 4:	Is the resistance less than 10 Ω?	Go to step 3.	Check power seat harness.
3 CHECK LIFTER MOTOR. Connect the power seat switch connector and lifter motor connector. Apply 12 V to the lifter motor and check the motor rotation. Connector & terminal (R204) No. 6 (+) - (R204) No. 4 (-): (R204) No. 4 (+) - (R204) No. 6 (-):	Does the motor rotate normally?	Check for temporary poor contact or mechanical trouble in lifter mechanism.	Lifter motor problem. Replace the seat cushion frame assembly.

Malfunction of reclining operation

DIAGNOSTIC PROCEDURE

Step	Check	Yes	No
1 CHECK SWITCH. Disconnect the connector of power seat switch assembly. Measure the resistance between connector terminals when moving the switch to reclining forward and reclining backward. < Ref. to CHECK POWER SEAT SWITCH , INSPECTION, Power Seat System. >	Is the inspection result normal?	Go to step 2.	Replace the power seat switch assembly.
2 CHECK HARNESS. Disconnect the power seat switch connector and reclining motor connector. Measure the resistance between power seat switch connector and reclining motor connector. Connector & terminal (R200) No. 10 - (R201) No. 6: (R200) No. 5 - (R201) No. 4:	Is the resistance less than 10 Ω?	Go to step 3.	Check power seat harness.
3 CHECK RECLINING MOTOR. Connect the power seat switch connector and reclining motor connector. Apply 12 V to the reclining motor and check the motor rotation. Connector & terminal (R201) No. 6 (+) - (R201) No. 4 (-): (R201) No. 4 (+) - (R201) No. 6 (-):	Does the motor rotate normally?	Check for temporary poor contact or mechanical trouble in reclining hinge.	Reclining motor problem. Replace the backrest frame assembly.