Did you perform the BCM Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Body Control System in Body Control System

1. Install the scan tool.
2. Select BODY CONTROL MODULE.
3. Select INPUTS.
4. Select DOOR JAMB SW.
5. Close all the doors.

Does the scan tool display OFF?

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Go to Step 3

Go to Step 4

1. Check the door jamb switch for possible intermittent malfunction by monitoring the scan tool while opening and closing each door several times.
2. If OK, check the wiring for a possible short to ground.

Was a problem found with any of the above?

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Go to Step 5

Go to Inducing Intermittent Fault Conditions in Wiring Systems

1. Disconnect the Body Control Module (BCM) connector C1.
2. Using the DMM, connect the DMM from terminal B02 to a known good ground.
3. Open drivers door and remove jamb switch.
4. Measure the resistance.

Is the resistance reading within the specified value?

OL

Go to Step 6

Go to Step 8

Repair the intermittent malfunction.

Is the repair complete?

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Go to Step 17

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1. Check the door jamb switch mounting screw for a clean connection.
2. If connection is OK, replace the door jamb switch.

Is the replacement complete?

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Go to Step 7

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If the scan tool still displays ON, repeat Step 4 with the other three doors.

Was a problem found with any of the other door jamb switches or was a circuit repaired?

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Go to Step 17

Go to Step 9

Repair the short to ground between terminal 2 of the door jamb switch connector and terminal B02 of connector C1.

Is the circuit repair complete?

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Go to Step 17

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1. With the scan tool select TRUNK JAMB SW.
2. Make sure the rear compartment lid is closed.

Does the scan tool display OFF?

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Go to Step 10

Go to Step 11

1. Check trunk jamb switch for possible intermittent malfunction by monitoring the scan tool while opening and closing the rear compartment lid several times.
2. If OK, check the wiring for an intermittent short to ground.

Was a problem found with any of the above?

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Go to Step 14

Go to Inducing Intermittent Fault Conditions in Wiring Systems

1. Open the rear compartment lid.
2. Remove the rear compartment lamp switch.

Does the scan tool display OFF?

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Go to Step 12

Go to Step 13

1. Check the lamp switch mounting screw for a clean connection.
2. If the connection is OK, replace the Rear Compartment Lamp Switch

Is the replacement complete?

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Go to Step 17

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1. Disconnect connector C2 from the BCM.
2. Using the DMM, measure the resistance between terminal D07 and a good ground.

Is the resistance within the specified value?

OL

Go to Step 15

Go to Step 16

Repair the intermittent malfunction.

Is the repair or replacement complete?

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Go to Step 17

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Replace the rear compartment lamp switch.

Is the replacement complete?

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Go to Step 17

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1. Locate a short to ground in circuits XM8 and/or XM9.
2. Repair the short to ground in circuits XM8 and/or XM9.

Is the repair complete?

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Go to Step 17

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Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

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