GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Interior Lights System Check?

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Go to Step 2

Go to Interior Lamps System Check

2

  1. Disconnect the remote function actuator (RFA) module connector C1.
  2. Connect a fused jumper from the remote function actuator (RFA) module connector cavities F1 (LT GRN/BLK) to F16 (BLK).

Do all of the courtesy lamps turn on?

--

Go to Step 3

Go to Step 4

3

Replace the remote function actuator (RFA) module. Refer to Remote Control Door Lock Receiver Replacement in Keyless Entry.

Is the RFA module replacement complete?

--

Go to Interior Lamps System Check

--

4

Inspect CKT 394 (LT GRN/BLK) for an open. Refer to Testing for Continuity in Wiring Systems.

Was an open found?

--

Go to Step 5

Go to Step 6

5

Repair the open in CKT 394 (LT GRN/BLK). Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Interior Lamps System Check

--

6

Inspect CKT 1250 (BLK) for an open. Refer to Testing for Continuity in Wiring Systems.

Was an open found?

--

Go to Step 7

Go to Step 8

7

Repair the open in CKT 1250 (BLK). Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Interior Lamps System Check

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8

Replace the body control module (MALL). Refer to Body Control Module Replacement in Body Control Systems.

Is the MALL module replacement complete?

--

Go to Interior Lamps System Check

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