GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Sliding Door Schematics

Connector End View Reference: Power Door Systems Connector End Views

1

Did you perform the Power Door System Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Door Systems

2

  1. Close the power sliding door.
  2. Turn the power sliding door ON/OFF switch to the ON position.
  3. Apply the brake and shift the transmission out of park.
  4. Press a power sliding door OPEN/CLOSE switch.

Does the power sliding door remain closed and the alarm sound a tone when the OPEN/CLOSE switch is pressed?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

  1. Remove the B/U LAMP 10A fuse.
  2. Apply the brake and shift the transmission out of park.
  3. Attempt to open the power sliding door using an OPEN/CLOSE switch.

Does the power sliding door open?

Go to Step 4

Go to Step 5

4

Test the park signal circuit for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 7

Go to Step 6

5

Replace the transaxle range switch. Refer to Park/Neutral Position Switch Replacement in Automatic Transaxle.

Is the repair complete?

Go to Step 7

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6

Replace the rear side door actuator control module. Refer to Rear Side Door Actuator Control Module Replacement .

Is the repair complete?

Go to Step 7

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7

Re-initialize the power sliding door and operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3