GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1999 🢒 Silhouette Ext. 🢒 Body and Accessories 🢒 Seats 🢒 Power Seats Inoperative in Any Direction - Both

Step

Action

Value(s)

Yes

No

1

Inspect the PWR SEAT/PSD circuit breaker.

Is the PWR SEAT/PSD circuit breaker open?

--

Go to Step 2

Go to Step 3

2
  1. Repair the short to ground in CKT 340.
  2. Inspect the system.

Is the repair complete?

--

Go to Power Seats System Check

--

3

Use a test lamp in order to backprobe between S302 and ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 5

4
  1. Repair the following conditions in CKT 550 between S333 and G301:
    2. • A poor connection
    • An open
  2. Inspect the system.

Is the repair complete?

--

Go to Power Seats System Check

--

5
  1. Repair the following conditions in CKT 340 between S302 and the fuse block:
    2. • A poor connection
    • An open
  2. Inspect the system.

Is the repair complete?

--

Go to Power Seats System Check

--