All Functions Do Not Operate
- CHECK SEAT FUNCTIONS
.
Operate each power seat switch and check that each power seat function operates normally.
Does all function fail to operate?
Yes : Go to 2.
No : Check the motor which does not operate. Ref. to SEATS>POWER SEAT SYSTEM>INSPECTION>SOME MOTORS DO NOT OPERATE .
- CHECK FUSE
.
Check the power seat fuse inside the fuse box.
Is the fuse blown out?
Yes : Replace the appropriate fuse.
No : Go to 3.
- CHECK POWER SUPPLY CIRCUIT
.
- Disconnect the power seat switch connector.
- Measure the voltage between harness connector and chassis ground.
Connector & terminal
(R200) No. 1 (+) - Chassis ground (-):
Is the voltage 10 V or more?
Yes : Go to 4.
No : Check body harness.
- CHECK POWER SUPPLY CIRCUIT
.
Measure the resistance between power seat switch harness connector and chassis ground.
Connector & terminal
(R200) No. 1 - Chassis ground:
Is the resistance less than 10 Ω?
Yes : Replace the power seat switch assembly.
No : Check body harness.