GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Audible WarningSystem Check?

--

Go to Step 2

Go to Audible Warnings System Check

2

  1. Connect a scan tool.
  2. View key-in-ignition input data.

Does the scan tool indicate the ignition switch closed with the key in and open with the key out of the ignition switch?

--

Go to Step 4

Go to Step 3

3

Inspect CKT 80 (LT. GRN) for a short to ground between the ignition switch and Remote Function Actuator (RFA) Module.

Was a short to ground found?

`

--

Go to Step 6

Go to Step 5

4

Inspect CKT 653 (DK. BLU/WHT) for a short to ground between the Remote Function Actuator (RFA) Module and the Body Control Module (MALL).

Was a short to ground found?

--

Go to Step 6

Go to Step 7

5

Replace the Ignition Switch.

Is the replacement complete?

--

Go to Audible Warnings System Check

--

6

Repair the affected wiring.

Is the repair complete?

--

Go to Audible Warnings System Check

--

7

Disconnect the RFA Module.

Did the chime stop?

--

Go to Step 8

Go to Step 9

8

Replace the RFA Module.

Is the replacement complete?

--

Go to Audible Warnings System Check

--

9

Replace the Body Control Module (MALL).

Is the replacement complete?

--

Go to Audible Warnings System Check

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