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Test Description

DTC B2961

Step Action Yes No
Schematic Reference: Audible Warnings Schematics 
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With the scan tool, observe the Key In Ignition parameter in the body control module (BCM) data list.
Does the Key In Ignition parameter display Yes?		 Go to Step 3  Go to Step 4 
3
  1. Turn OFF the ignition.
  2. Remove the key.
  3. Disconnect the BCM connector C2.
  4. Connect a test lamp between the ignition 0 voltage circuit and a good ground.
Does test lamp illuminate?		 Go to Step 7  Go to Step 11 
4
  1. Turn OFF the ignition.
  2. Disconnect the BCM connector C2.
  3. Connect a test lamp between the signal circuit of the ignition key alarm switch and battery positive voltage.
  4. Turn ON the ignition, with the engine OFF.
Does the test lamp illuminate?		 Go to Step 8  Go to Step 5 
5 Test the signal circuit of the ignition key alarm switch for an open or for a high resistance. Refer to Circuit Testing andWiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 12  Go to Step 6 
6 Test the ground circuit of the ignition key alarm switch for an open or for a high resistance. Refer to Circuit Testing andWiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 12  Go to Step 9 
7 Test the ignition 0 voltage circuit for a short to battery voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 Go to Step 12  Go to Step 11 
8 Inspect for poor connections at the harness connector of the 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 Inspect for poor connections at the harness connector of the ignition switch. 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 
10 Replace the ignition switch. Refer to Ignition Switch Replacement .
Did you complete the replacement?		 Go to Step 12  -
11 Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Did you complete the replacement?		 Go to Step 12  -
12
  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 set?		 Go to Step 2  System OK
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