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For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Corvette 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Trunk Ajar Indicator Inoperative

Trunk Ajar Indicator Inoperative Convertible

Step

Action

Yes

No

Schematic Reference: Instrument Cluster Schematics

Connector End View Reference: Displays and Gages Connector End Views

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

Open the rear compartment.

Is the TRUNK AJAR message displayed on the driver information center (DIC)?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

3
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. Open the rear compartment.
  4. With a scan tool, observe the trunk ajar switch signal in the body control module (BCM) data list.

Does the scan tool display TRUNK AJAR?

Go to Step 8

Go to Step 4

4
  1. Disconnect the trunk release actuator.
  2. Connect a fused jumper between the trunk ajar switch signal circuit and a good ground.

Is the trunk ajar message displayed?

Go to Step 5

Go to Step 6

5

Connect a fused jumper between the trunk ajar switch signal and ground circuits.

Is the trunk ajar message displayed?

Go to Step 7

Go to Step 10

6

Inspect for an open or high resistance in the trunk ajar switch signal circuit. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 9

7

Inspect for poor connections at the harness connector of the trunk release actuator. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 12

8

Inspect for poor connections at the harness connector of the instrument panel cluster (IPC). Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 11

9

Inspect for poor connections at the harness connector of the BCM. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 13

10

Repair open or high resistance in the trunk ajar switch signal ground circuit. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

--

11

Replace the IPC. Refer to Control Module References for replacement, setup, and programming.

Did you complete the repair?

Go to Step 14

--

12

Replace the trunk release actuator. Refer to Rear Compartment Lid and Fuel Filler Door Release Switch Replacement

Did you complete the repair?

Go to Step 14

--

13

Replace the BCM. Refer to Control Module References for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 14

--

14

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3

Trunk Ajar Indicator Inoperative Coupe

Step

Action

Yes

No

Schematic Reference: Instrument Cluster Schematics

Connector End View Reference: Displays and Gages Connector End Views

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle

2

Open the rear compartment.

Is the HATCH AJAR message displayed on the driver information center (DIC)?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

3
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. Open the rear compartment.
  4. With a scan tool, observe the trunk ajar switch signal in the body control module (BCM) data list.

Does the scan tool display TRUNK AJAR?

Go to Step 8

Go to Step 4

4
  1. Disconnect the rear compartment lid pull down actuator.
  2. Connect a fused jumper between the trunk ajar switch signal circuit and a good ground.

Is the trunk ajar message displayed?

Go to Step 5

Go to Step 6

5

Connect a fused jumper between the trunk ajar switch signal and ground circuits.

Is the trunk ajar message displayed?

Go to Step 7

Go to Step 10

6

Inspect for an open or high resistance in the trunk ajar switch signal circuit. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 9

7

Inspect for poor connections at the harness connector of the rear compartment lid pull down actuator. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 12

8

Inspect for poor connections at the harness connector of the instrument panel cluster (IPC). Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 11

9

Inspect for poor connections at the harness connector of the BCM. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

Go to Step 13

10

Repair open or high resistance in the ground circuit of the rear compartment lid pull down actuator. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 14

--

11

Replace the IPC. Refer to Control Module References for replacement, setup, and programming.

Did you complete the repair?

Go to Step 14

--

12

Replace the rear compartment lid pull down actuator. Refer to Rear Compartment Lid and Fuel Filler Door Release Switch Replacement .

Did you complete the repair?

Go to Step 14

--

13

Replace the BCM. Refer to Control Module References for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 14

--

14

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3