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Conditions for Clearing the DTC When the fault is no longer present, the BCM changes the current DTC to a history DTC. The BCM will clear Test Description The numbers below refer to the step numbers on the diagnostic table. 2: Listen for an audible click when the left rear power window relay operates. Command both the ON and 3: Tests for voltage at the coil side of the left rear power window up relay. 4: Verifies that the BCM is providing ground to the left rear power window up relay. 5: Tests if ground is constantly being applied to the left rear power window up relay. DTC B3819 Step Action Yes No Schematic Reference: Power Window Schematics 1 Did you perform the Door Systems Diagnostic Go to Step 2 Go to Diagnostic System Check - Door Systems 2 1. Install a scan tool. 2. Turn ON the ignition, with the engine OFF. 3. With a scan tool, command the left rear power window up relay ON and OFF. Does the left rear power window up relay turn ON Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 3 1. Turn OFF the ignition. 2. Disconnect the left rear power window switch. 3. Turn ON the ignition, with the engine OFF. 4. Probe the battery positive voltage circuit of the left rear power window switch with a test Does the test lamp illuminate? Go to Step 4 Go to Step 10 4 1. Connect a test lamp between the control circuit of the left rear power window up relay 2. With a scan tool, command the left rear
2004 Hummer H2 2004 ACCESSORIES & EQUIPMENT Doors - Hummer H2
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