GM Service Manual Online
For 1990-2009 cars only

Lights On Chime On with Ignition in Run Domestic

Step

Action

Value(s)

Yes

No

1

  1. Disconnect the connector at the multi-function alarm module.
  2. Connect a J 39200 DMM between the multi-function alarm module connector, cavity D2 for CKT 39 (PNK), and ground.
  3. Place the ignition switch in the RUN position.

Is continuity present?

--

Go to Step 2

Go to Step 3

2

Replace the multi-function alarm module. Refer to Multifunction Alarm Module Replacement .

Is the repair complete?

--

Go to Audible Warnings System Check

--

3

Repair the open in CKT 39 (PNK) between splice S216 and the multi-function alarm module.

Is the repair complete?

--

Go to Audible Warnings System Check

--

Lights On Chime On with Ignition in Run Export

Step

Action

Value(s)

Yes

No

1

Was the Audible Warnings System Check performed?

--

Go to Step 2

Go to Audible Warnings System Check

2

  1. Disconnect the connector C1 at the multi-function alarm module.
  2. Connect a J 39200 DMM between the multi-function alarm module connector C1 cavity D2 for CKT 39 (PNK) and ground.
  3. Place the ignition switch in the RUN position.

Is continuity present?

--

Go to Step 3

Go to Step 4

3

Replace the multi-function alarm module.

Is the repair complete?

--

Go to Audible Warnings System Check

--

4

Repair the open in either CKT 39 (PNK) between the IP fuse block and the multi-function alarm module.

Is the repair complete?

--

Go to Audible Warnings System Check

--