Some Motors Do Not Operate
- Slide operation failure
- CHECK SWITCH
.
- Disconnect the power seat switch connector.
- Measure the resistance between connector terminals when moving the switch to slide forward and slide backward. Refer to SEATS>POWER SEAT SYSTEM>INSPECTION>CHECK POWER SEAT SWITCH .
Is the inspection result normal?
Yes: Go to 2.
No: Replace the power seat switch assembly.
- CHECK HARNESS
.
- Disconnect the 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?
Yes: Go to 3.
No: Check power seat harness.
- 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?
Yes: Check for temporary poor contact or mechanical trouble in slide rail.
No: Slide motor problem. Replace the seat cushion frame assembly.
- Malfunction of lifter operation
- CHECK SWITCH
.
- Disconnect the power seat switch connector.
- Measure the resistance between connector terminals when moving the switch to lifter up and lifter down. Refer to SEATS>POWER SEAT SYSTEM>INSPECTION>CHECK POWER SEAT SWITCH .
Is the inspection result normal?
Yes: Go to 2.
No: Replace the power seat switch assembly.
- CHECK HARNESS
.
- Disconnect the 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?
Yes: Go to 3.
No: Check power seat harness.
- 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?
Yes: Check for temporary poor contact or mechanical trouble in lifter mechanism.
No: Lifter motor problem. Replace the seat cushion frame assembly.
- Malfunction of reclining operation
- CHECK SWITCH
.
- Disconnect the power seat switch connector.
- Measure the resistance between connector terminals when moving the switch to reclining forward and reclining backward. Refer to SEATS>POWER SEAT SYSTEM>INSPECTION>CHECK POWER SEAT SWITCH .
Is the inspection result normal?
Yes: Go to 2.
No: Replace the power seat switch assembly.
- CHECK HARNESS
.
- Disconnect the 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?
Yes: Go to 3.
No: Check power seat harness.
- 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?
Yes: Check for temporary poor contact or mechanical trouble in reclining hinge.
No: Reclining motor problem. Replace the backrest frame assembly.