LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Lighting) >> Diagnostic Information and Procedures >> DTC B3802 >> Conditions for Clearing the MIL/DTC

Conditions for Clearing the MIL/DTC

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
DTC B3802

Step Action Yes No
Schematic Reference: Exterior Lights Schematics 
Connector End View Reference: Lighting Systems Connector End Views  or Data Communication Connector End Views
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2
  1. Install a scan tool.
  2. Turn the headlamp switch to park lamps ON.
  3. With a scan tool, observe the Park Lamp Switch and the Headlamp Switch parameters in the Body Control Module (BCM) Data List.
Does the scan tool display park lamps ACTIVE and the headlamps INACTIVE?
Go to Testing for Intermittent Conditions and Poor Connections Go to Step 3 
3 Test the park lamp switch ON signal circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct a condition?
Go to Step 10  Go to Step 4 
4 Test the headlamp switch headlamps ON signal circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct a condition?
Go to Step 10  Go to Step 5 
5
  1. Disconnect the headlamp switch.
  2. Turn the headlamp switch to the ON position.
  3. Test for continuity between the ground terminal and the park lamp switch signal terminal of the headlamp switch. Refer to Circuit Testing .
  4. Test for continuity between the ground terminal and the headlamp switch headlamps on signal terminal of the headlamp switch. Refer to Circuit Testing .
Is continuity present?
Go to Step 6  Go to Step 7 
6 Inspect for poor connections at the harness connector of the BCM. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
Go to Step 10  Go to Step 8 
7 Inspect for poor connections at the harness connector of the headlamp switch. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
Go to Step 10  Go to Step 9 
8 Replace the BCM. Refer to Control Module References for replacement, setup, and programming.
Did you complete the replacement?
Go to Step 10  -
9 Replace the headlamp switch. Refer to Headlamp Switch Replacement .
Did you complete the replacement?
Go to Step 10  -
10
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.
Does the DTC reset?
Go to Step 2  System OK