GM Service Manual Online
For 1990-2009 cars only

Folding Top Compartment Lid Release Inoperative (Convertible)

Step

Action

Value(s)

Yes

No

DEFINITION: The folding top (convertible) storage compartment lid release switch does not release the compartment lid when activated by the release switch.

1

Were you sent here from the Folding Top Compartment Lid Release System Check?

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Go to Step 2

Go to Folding Top Compartment Lid Release System Check

2

  1. Disconnect the folding top storage lid release switch connector.
  2. Connect a DMM between ground and the folding top storage lid release switch terminal B.
  3. Use the DMM to measure CKT 150 for continuity to ground.

Is CKT 150 continuous to ground?

--

Go to Step 4

Go to Step 3

3

Repair the open in CKT 150.

Is the repair complete?

--

Go to Folding Top Compartment Lid Release System Check

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4

  1. Turn the ignition switch to the ON position.
  2. Connect a jumper wire between ground and the folding top storage lid release switch terminal A.

Does the folding top storage lid open?

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Go to Step 5

Go to Step 6

5

Replace the folding top storage lid release switch.

Is the repair complete?

--

Go to Folding Top Compartment Lid Release System Check

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6

  1. Turn the ignition switch to the OFF position.
  2. Disconnect the Body Control Module (BCM) connector C2.
  3. Connect a DMM between the folding top storage lid release switch connector terminal A and the Body Control Module (BCM) connector C2 terminal C11.
  4. Use the DMM to measure CKT 2166 for continuity between the Body Control Module (BCM) connector and the folding top storage lid release switch connector .

Is CKT 2166 continuous between these two connectors?

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Go to Step 8

Go to Step 7

7

Repair the open in CKT 2166.

Is the repair complete?

--

Go to Folding Top Compartment Lid Release System Check

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8

  1. Disconnect the Body Control Module (BCM) connector C1.
  2. Connect a fused jumper wire between the Body Control Module (BCM) connector C1 terminal B12 and ground.

With the fused jumper connected, does the folding top storage lid open?

--

Go to Step 9

Go to Step 10

9

Replace the Body Control Module (BCM) and program as needed.

Is the repair complete?

--

Go to Folding Top Compartment Lid Release System Check

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10

  1. Remove the TONN REL Micro Relay #41 from the instrument panel electrical center.
  2. Connect a DMM between the Body Control Module (BCM) connector C1 terminal B12 and the CKT 2169 terminal inside the instrument panel electrical center which is used for the TONN REL Micro Relay #41.
  3. Measure CKT 2169 for continuity between the instrument panel electrical center CKT 2169 terminal and the Body Control Module (BCM) connector C1 terminal B12.

Is CKT 2169 continuous between these two terminals?

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Go to Step 12

Go to Step 11

11

Repair the open in CKT 2169.

Is the repair complete?

--

Go to Folding Top Compartment Lid Release System Check

--

12

Connect a fused jumper wire between the BATT CKT terminal and the CKT 901 terminal inside the instrument panel electrical center which is used for the TONN REL Micro Relay #41.

With the fused jumper connected, does the folding top storage lid open?

--

Go to Step 13

Go to Step 14

13

Replace the TONN REL Micro Relay #41.

Is the repair complete?

--

Go to Folding Top Compartment Lid Release System Check

--

14

Check the TONN REL MiniFuse® #17 for an open circuit.

Is the fuse open?

--

Go to Step 15

Go to Step 20

15

  1. Open the folding top storage lid using the manual release system.
  2. Disconnect the folding top storage lid release solenoid connector.
  3. Connect a fused jumper wire between the instrument panel electrical center BATT CKT terminal and the CKT 901 terminal which is used for the TONN REL Micro Relay #41.
  4. Replace the TONN REL MiniFuse® #17.

Does the TONN REL MiniFuse® #17 immediately open when installed?

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Go to Step 16

Go to Step 17

16

Repair a short to ground in CKT 901.

Is the repair complete?

--

Go to Folding Top Compartment Lid Release System Check

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17

  1. Disconnect the fused jumper wire between the instrument panel electrical center BATT CKT terminal and the CKT 901 terminal.
  2. Reconnect the folding top storage lid release solenoid.
  3. Reconnect the fused jumper wire between the instrument panel electrical center BATT CKT terminal and the CKT 901 terminal which is used for the TONN REL Micro Relay #41.

Does the TONN REL MiniFuse® #17 immediately open when the fused jumper wire is reinstalled?

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Go to Step 18

Go to Step 19

18

Replace the folding top storage lid latch/motor.

Is the repair complete?

--

Go to Folding Top Compartment Lid Release System Check

--

19

Carefully inspect the folding top storage lid latch/motor mechanisms for binding and repair.

Is the repair complete?

--

Go to Folding Top Compartment Lid Release System Check

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20

  1. Connect the DMM between the folding top storage lid latch/motor connector terminal B and ground.
  2. Measure CKT 150 for continuity to ground.

Is CKT 150 continuous to G302?

--

Go to Step 18

Go to Step 21

21

Repair the open in CKT 150 between the folding top storage lid latch/motor connector and G302.

Is the repair complete?

--

Go to Folding Top Compartment Lid Release System Check

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