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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 >> Door Ajar Indicator Always On

Door Ajar Indicator Always On

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.
Door Ajar Indicator Always On

Step Action 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 door ajar indicator always on fault is present
Does the door ajar indicator operate normally?		 Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3
  1. Close both vehicle doors.
  2. Install a scan tool.
  3. Turn ON the ignition, with the engine OFF.
  4. With a scan tool, observe the driver door ajar sw. and passenger door ajar sw. parameters in the Body Control Module data list.
Does the scan tool display Closed?		 Go to Step 6  Go to Step 4 
4
  1. Turn OFF the ignition.
  2. Disconnect the appropriate door latch C3 harness connector.
  3. Turn ON the ignition, with the engine OFF.
  4. With a scan tool, observe the driver door ajar sw. and passenger door ajar sw. parameters in the Body Control Module data list.
Does the scan tool display Closed?		 Go to Step 7  Go to Step 5 
5 Test the appropriate front door ajar switch signal circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 12  Go to Step 8 
6 Inspect for poor connections at the harness connectors of the instrument panel cluster (IPC). 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 12  Go to Step 9 
7 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 12  Go to Step 10 
8 Inspect for poor connections at the harness connectors of the body control module (BCM). 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 12  Go to Step 11 
9 Replace the instrument panel cluster. Refer to Instrument Panel Cluster (IPC) Replacement in Instrument, Panel, Gages and Console.
Did you complete the replacement?		 Go to Step 12  -
10 Replace the appropriate door latch. Refer to Lock Replacement - Door .
Did you complete the replacement?		 Go to Step 12  -
11
  1. Perform the set up procedure for the body control module. Refer to Body Control Module (BCM) Programming/RPO Configuration .
  2. Replace the body control module. Refer to Body Control Module Replacement .
Did you complete the replacement?		 Go to Step 12  -
12 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 2 
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