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. Refer 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 .
1. Disconnect the power seat switch connector.
2. 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.