GM Service Manual Online
For 1990-2009 cars only

RAP Remains ON with LH Door Open

Step

Action

Value(s)

Yes

No

1

Were you sent here from the RAP Diagnostic System Check?

--

Go to Step 2

Go to RAP Diagnostic System Check

2

  1. Install the scan tool.
  2. Establish communication with the LH door control module.

Can communication be established?

--

Go to Step 3

Refer to Scan Tool does not communicate with Component

3

Check for any stored DTCs.

Are any DTCs present?

--

Refer to applicable DTC diagnostic table

Go to Step 4

4

  1. Disconnect the LH door control module (red) connector C1.
  2. Open the LH door.
  3. Use the DMM to check CKT 745 for continuity to ground between terminal 10 of the LH door control module (red) connector C1 and ground.

Is CKT 745 continuous to ground?

--

Go to Step 10

Go to Step 5

5

  1. Disconnect the LH door ajar indicator switch.
  2. Use the DMM to measure CKT 745 for continuity between terminal B of the LH door ajar indicator switch connector and terminal 10 of the LH door control module (red) connector C1.

Is CKT 745 continuous between these two connectors?

--

Go to Step 7

Go to Step 6

6

Locate and repair an open or a high resistance in CKT 745.

Is the repair complete?

--

Go to RAP Diagnostic System Check

--

7

Use the DMM to measure CKT 150 for continuity between terminal D of the LH door ajar indicator switch connector and ground.

Is CKT 150 continuous to ground?

--

Go to Step 9

Go to Step 8

8

Locate and repair an open or a high resistance in CKT 150.

Is the repair complete?

--

Go to RAP Diagnostic System Check

--

9

Replace the LH door ajar indicator switch.

Is the replacement complete?

--

Go to RAP Diagnostic System Check

--

10

  1. Disconnect the BCM (lower pink) connector C2.
  2. LH door open.
  3. Use the DMM to measure CKT 745 for continuity to ground between terminal C2 of the BCM connector C2 and ground.

Is CKT 745 continuous to ground?

--

Go to Step 12

Go to Step 11

11

Locate and repair an open or a high resistance in CKT 745.

Is the repair complete?

--

Go to RAP Diagnostic System Check

--

12

Replace the LH door control module.

Is the replacement complete?

--

Go to RAP Diagnostic System Check

--