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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1865 (Engine Controls And Fuel - 3.5L (L66) - DTC P0506 To DTC P2199) >> DTC P2111 >> Test Description

Test Description

WARNING: This page is about a different car, the 2007 Saturn Vue. 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 step determines if the condition exists.
  2. 5:  Coking on the throttle bore or valve may cause this DTC to set.
  3. 6:  This step determines if the coking was the cause of the DTC.
DTC P2111

Step Action Yes No
Connector End View Reference: Powertrain Control Module Connector End Views or Engine Controls Connector End Views
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2 
  1. Turn ON the ignition, with the engine OFF.
  2. Clear the DTCs with a scan tool.
  3. Turn OFF the ignition for 30 seconds.
  4. Start the engine.
  5. Move the accelerator pedal from the rest position to the wide open position a couple of times.
  6. Observe the DTC Information with a scan tool.
Did the DTC fail this ignition?		 Go to Step 4  Go to Step 3 
3
  1. Observe the Freeze Frame/Failure records data for this DTC.
  2. Turn OFF the ignition for 30 seconds.
  3. Start the engine.
  4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure records data.
Did the DTC fail this ignition cycle?		 Go to Step 4  Go to Diagnostic Aids
4 Is DTC U0107 also set? Go to DTC U0107 Go to Step 5 
5 
  1. Turn OFF the ignition.
  2. Disconnect the air cleaner resonator outlet duct from the throttle body.
  3. Inspect the throttle body valve and bore for the following conditions:
    • For foreign accumulation in the throttle bore
    • For coking on the throttle valve
    • For coking on the throttle shaft
Did you find a condition with the throttle body?		 Go to Step 6  Go to Step 7 
6 
  1. Clean the throttle body valve and bore. Refer to Throttle Body Service .
  2. Turn ON the ignition, with the engine OFF.
  3. Clear the DTCs with a scan tool.
  4. Turn OFF the ignition for 30 seconds.
  5. Start the engine.
  6. Move the accelerator pedal from the rest position to the wide open position a couple of times.
  7. Observe the DTC Information with a scan tool.
Did the DTC fail this ignition?		 Go to Step 7  Go to Step 9 
7 Test for an intermittent and for a poor connection at the throttle body harness connector and at the powertrain control module (PCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?		 Go to Step 9  Go to Step 8 
8
  1. Replace the throttle body. Refer to Throttle Body Assembly Replacement .
  2. Perform the idle learn procedure. Refer to Idle Learn .
Did you complete the replacement?		 Go to Step 9  -
9
  1. Clear the DTCs with a scan tool.
  2. Turn OFF the ignition for 30 seconds.
  3. Start the engine.
  4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records.
Did the DTC fail this ignition?		 Go to Step 2  Go to Step 10 
10 Observe the Capture Info with a scan tool.
Are there any DTCs that have not been diagnosed?		 Go to Diagnostic Trouble Code (DTC) List - Vehicle System OK
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