Power Seat Does Not Move Forward/Rearward. Chevrolet Corvette 2000

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2000 🢒 Corvette 🢒 Body and Accessories 🢒 Seats 🢒 Power Seat Does Not Move Forward/Rearward

Power Seat Does Not Move Forward/Rearward Driver-Standard or Passenger

Power Seat Does Not Move Forward/Rearward (LH and RH)

Step

Action

Value(s)

Yes

DEFINITION: Power seat does not function in either the forward or the rearward direction. Either driver's side or passenger's side seat.

Did you review the Power Seat Systems Operation and Circuit Description, and perform the necessary inspections?

Go to Step 2

Go to Symptoms

Disconnect the LH or RH seat adjuster switch connector.
Connect a jumper wire from the seat adjuster switch connector terminal 13 to ground.

Does the seat move in the rearward direction?

Go to Step 3

Go to Step 5

Connect the jumper wire from the LH or RH seat adjuster switch connector terminal 14 to ground.

Does the seat move in the forward direction?

Go to Step 4

Go to Step 7

Replace the RH or LH seat adjuster switch. Refer to Power Seat Switch Replacement .

Is the repair complete?

Go to Step 16

Disconnect the RH or LH seat relay center connector C1.
Connect a DMM between the seat relay center connector C1 terminal 15 and the seat adjuster switch connector terminal 13.
Test CKT 617 for continuity.

Is CKT 617 continuous between these two connectors?

Go to Step 9

Go to Step 6

Inspect and repair an open or a high resistance in CKT 617.

Is the repair complete?

Go to Step 16

Disconnect the RH or LH seat relay center connector C1.
Connect a DMM between the seat relay center connector C1 terminal 2 and the seat adjuster switch connector terminal 14.
Test CKT 613 for continuity.

Is CKT 613 continuous between these two connectors?

Go to Step 9

Go to Step 8

Inspect and repair an open or a high resistance in CKT 613.

Is the repair complete?

Go to Step 16

Disconnect the RH or LH seat relay center connector C2 and C3.
Using two jumper wires, perform the following test:

•	Connect a jumper wire between battery power and the seat relay center connector C2 terminal D.

•	Connect a second jumper wire between ground and the seat relay center connector C3 terminal B.

Now reverse the jumper wires as follows:

•	Connect the jumper wire between battery power and the seat relay center connector C3 terminal B.

•	Connect the second jumper wire between ground and the seat relay center connector C2 terminal D.

Does the horizontal seat motor operate in both directions?

Go to Step 11

Go to Step 10

Disconnect the RH or LH lower seat motor connector C1.
Connect a DMM between the seat relay center connector C3 terminal B and the seat motor connector C1 terminal B.
Test CKT 284 for continuity.

Is CKT 284 continuous between these two connectors?

Go to Step 12

Go to Step 13

Replace the RH or LH seat relay center.

Is the repair complete?

Go to Step 16

Inspect and repair an open or a high resistance in CKT 284.

Is the repair complete?

Go to Step 16

Connect a DMM between the seat relay center connector C2 terminal D and the seat motor connector C1 terminal A.
Test CKT 285 for continuity.

Is CKT 285 continuous between these two connectors?

Go to Step 14

Go to Step 15

Inspect and repair an open or a high resistance in CKT 285.

Is the repair complete?

Go to Step 16

Inspect the horizontal seat motor or linkage for any binding. If OK, replace the RH or LH horizontal seat motor. Refer to Front Seat Adjuster Motor Replacement .

Is the repair complete?

Go to Step 16

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2