LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1512 (Steering Wheel And Steering Column) >> Diagnostic Information and Procedures >> DTC B2852 >> 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 numbers below refer to the step numbers on the diagnostic table:

  1. 2:  This test determines the status of the column in switch using a scan tool. The scan tool will display the column switch status as Out, button pressed toward I/P, and Idle, button released.
  2. 3:  This test checks if the column in switch is shorted to ground or stuck. If the column in switch status changes from Out to Idle when the column in switch is disconnected, then the switch assembly must be replaced.
DTC B2852

Step Action Yes No
Schematic Reference:  Tilt/Telescoping Steering Column Schematics  
Connector End View Reference:  Steering Wheel and Column Connector End Views  
1 Did you perform the Steering Column Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Steering Wheel and Column 
Using a scan tool, select SCM input display and monitor the column in switch status.
Does the scan tool display column in switch status as Out?
Go to Step 3  Go to Diagnostic Aids
  1. Disconnect the column switch connector.
  2. Using a scan tool, select SCM input display and monitor the column switch status.
Does the scan tool display column in switch status as Out?
Go to Step 4  Go to Step 5 
4 Check for a short to ground in the Steering Column Tilt and Telescope Reverse Switch Signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 7  Go to Step 6 
5 Replace the telescoping column switch assembly. Refer to Telescope Actuator Switch Replacement .
Did you complete the replacement?
Go to Step 7  -
6
IMPORTANT: Perform the set up procedure for the Seat Control Module.
Replace the Seat Control Module. Refer to Memory Seat Control Module Replacement .Did you complete the replacement?
Go to Step 7  -
7
  1. Use a 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