GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: This diagnostic should only be used if the power seat operates in front to rear and front tilt but does not operate in rear tilt.

1

Has the Power Seats System Check been performed?

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Go to Step 2

Go to Power Seats System Check

2

  1. Connect a fused jumper wire from the appropriate power seat adjuster switch connector cavity B for CKT 289 (LT BLU) RH or CKT 288 (YEL) to cavity C for CKT 150 (BLK).
  2. Connect a fused jumper wire from cavity A CKT 288 (YEL) or CKT 283 (LT BLU) to cavity F for CKT 540 (ORN).

Did the motor move?

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Go to Step 3

Go to Step 4

3

Replace the power seat adjuster switch. Refer to Front Seat Adjuster Replacement .

Is the repair complete?

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Go to Power Seats System Check

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4

  1. Check for open(s) in CKT(s) 289 (LT BLU) and 288 (YEL) RH or CKT(s) 282 (YEL) and 283 (LT BLU) LH.
  2. Repair as necessary. Refer to Wiring Repairs in Wiring Systems.
  3. If no open(s) are found, replace the rear tilt motor. Refer to Front Seat Adjuster Motor Replacement .

Is the repair complete?

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Go to Power Seats System Check

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