GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Release Systems Schematics

Connector End View Reference: Component Connector End Views

1

Did you perform the diagnostic system check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

Operate the rear compartment lid release switch.

Did the rear compartment lid release?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

3

  1. Connect a test lamp between the rear compartment lid release actuator feed circuit at the actuator and ground.
  2. Actuate the rear compartment lid release switch.

Did the test lamp illuminate?

Go to Step 7

Go to Step 4

4

  1. Connect a test lamp between the rear compartment lid release actuator feed circuit at the rear compartment lid release switch and ground.
  2. Actuate the rear compartment lid release switch.

Did the test lamp illuminate?

Go to Step 11

Go to Step 5

5

  1. Disconnect the rear compartment lid release switch.
  2. Connect a test lamp between the rear compartment lid release switch battery feed circuit and ground.

Did the test lamp illuminate?

Go to Step 6

Go to Step 10

6

Test the rear compartment lid release actuator switch for continuity when the switch is pressed.

Does the switch have continuity when the switch is pressed?

Go to Step 9

Go to Step 12

7

Test the ground circuit of the rear compartment lid release actuator for continuity. Refer to Circuit Testing and Wiring Repairs.

Did you find and correct the condition?

Go to Step 14

Go to Step 8

8

Inspect for poor connections at the harness connector of the rear compartment lid release actuator. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs.

Did you find and correct the condition?

Go to Step 14

Go to Step 12

9

Inspect for poor connections at the rear compartment lid release actuator switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs.

Did you find and correct the condition?

Go to Step 14

Go to Step 13

10

Repair an open in the rear compartment lid release switch battery feed circuit. Refer to Wiring Repairs.

Did you complete the repair?

Go to Step 14

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11

Repair an open in the rear compartment lid release actuator feed circuit. Refer to Wiring Repairs.

Did you complete the repair?

Go to Step 14

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12

Replace the rear compartment lid release actuator. Refer to Rear Compartment Lid Latch Replacement.

Go to Step 14

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13

Replace the rear compartment lid release switch.

Did you complete the replacement?

Go to Step 14

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14

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3