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.