GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Audible Warnings System Check?

--

Go to Step 2

Go to Audible Warnings System Check

2

  1. Turn the ignition switch to the OFF position.
  2. Open the left front door.
  3. Disconnect the body control module (MALL) connector C2.
  4. Measure the resistance between the connector terminal C1 and ground.

Does the resistance measure less than the specified value?

1-5 ohms

Go to Step 4

Go to Step 3

3

Inspect CKT 155 (BLK) for an open.

Is there an open in CKT 155?

--

Go to Step 9

Go to Step 6

4

Inspect the MALL connector C2 terminal C1 for proper terminal contact.

Is the terminal contact OK?

--

Go to Step 5

Go to Step 10

5

Replace the MALL. Refer to Body Control Module Replacement in Body Control System.

Did you complete the repair?

--

Go to Audible Warnings System Check

--

6

Inspect the left door jamb switch for continuity between terminal C and terminal D.

Does the door switch show continuity?

--

Go to Step 8

Go to Step 7

7

Replace the left front door jamb switch.

Did you complete the repair?

--

Go to Audible Warnings System Check

--

8

Inspect CKT 151 (BLK/WHT) for an open to ground.

Is there an open to ground in CKT 151?

--

Go to Step 9

Go to Audible Warnings System Check

9

Repair the open to ground in CKT 151. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Audible Warnings System Check

--

10

Repair the faulty terminal contact. Refer to Connector Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Audible Warnings System Check

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