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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1519 (Door System, Mirror System & Window System) >> Diagnostic Information and Procedures >> DTC B2282-B2285 >> Test Description

Test Description

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

The number(s) below refer to the step number(s) on the diagnostic table.

  1. 2:  This test verifies if the vehicle's Starting/Charging system is functioning properly.
  2. 3:  This test verifies if the door module is functioning properly.
  3. 6:  This tests for a short to ground in the door lock actuator control circuits.
  4. 7:  This tests for a short to ground in the heated mirror element supply voltage circuit.
  5. 8:  This tests for a short to ground in the door lock actuator motor.
  6. 9:  This tests for a short to ground in the mirror heater.
DTC B2282-B2285

Step Action Value(s) Yes No
Schematic Reference: Door Control Module Schematics 
Connector End View Reference: Power Door Systems Connector End Views 
1 Did you perform the Door Systems Diagnostic System Check? - Go to Step 2  Go to Diagnostic System Check - Door Systems 
2  Verify that the vehicle's Starting/Charging system is operating properly.
Is the Starting/Charging system operating properly?		 - Go to Step 3  Go to Symptoms - Engine Electrical
3 
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, observe the Battery 1 and Battery 2 parameters in the Left Door Control Module or Right Door Control Module data lists.
Does the scan tool indicate that the Battery 1 and the Battery 2 parameters are within the specified range?		 8.5-16.3 V Go to Step 10  Go to Step 4 
4 Inspect the PWRFDL fuse.
Is the PWRFDL fuse open?		 - Go to Step 5  Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
5 Test the battery positive voltage of the appropriate door module for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 18  Go to Step 6 
6 
  1. Turn OFF the ignition.
  2. Disconnect the appropriate door latch connector C3 of the door module which set the DTC.
  3. Replace the PWRFDL fuse.
  4. Turn ON the ignition, with the engine OFF.
  5. Activate a door lock switch to LOCK and UNLOCK.
Does the PWRFDL fuse open?		 - Go to Step 13  Go to Step 7 
7 
  1. Turn OFF the ignition.
  2. Leave the appropriate door latch connector C3 disconnected.
  3. Disconnect the appropriate outside rearview mirror connector C1 of the door module which set the DTC.
  4. Replace the PWRFDL fuse.
  5. Start the engine.
  6. Activate the heated mirrors.
Does the PWRFDL fuse open?		 - Go to Step 14  Go to Step 8 
8 
  1. Turn OFF the ignition.
  2. Connect the door latch connector C3.
  3. Leave the outside rearview mirror connector C1 disconnected.
  4. Replace the PWRFDL fuse.
  5. Turn ON the ignition, with the engine OFF.
  6. Activate a door lock switch to LOCK and UNLOCK.
Does the PWRFDL fuse open?		 - Go to Step 11  Go to Step 9 
9 
  1. Turn OFF the ignition.
  2. Connect the outside rearview mirror connector C1.
  3. Replace the PWRFDL fuse.
  4. Start the engine.
  5. Activate the heated mirrors.
Does the PWRFDL fuse open?		 - Go to Step 12  Go to Step 10 
10 Inspect for poor connections at the harness connectors of the appropriate door module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 18  Go to Step 15 
11 Inspect for poor connections at the harness connectors of the appropriate door latch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 18  Go to Step 16 
12 Inspect for poor connections at the harness connectors of the appropriate outside rearview mirror. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 18  Go to Step 17 
13 Repair the short to ground in the appropriate door lock actuator control circuit. Refer to Wiring Repairs and Connector Repairs in Wiring Systems.
Did you complete the repair?		 - Go to Step 18  -
14 Repair the short to ground in the appropriate heated mirror element supply voltage circuit. Refer to Wiring Repairs and Connector Repairs in Wiring Systems.
Did you complete the repair?		 - Go to Step 18  -
15 Replace the appropriate door module. Refer to Door Control Module Replacement .
Did you complete the replacement?		 - Go to Step 18  -
16 Replace the appropriate door latch. Refer to Lock Replacement - Door .
Did you complete the replacement?		 - Go to Step 18  -
17 Replace the appropriate door module. Refer to Mirror Replacement .
Did you complete the replacement?		 - Go to Step 18  -
18
  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
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