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Home >> Chevrolet >> 2006 >> HHR LS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 2.2L - DTC P0136 To P0446 >> DTC P0341 >> Test Description

Test Description

The number below refers to the step number on the diagnostic table.

  1. 3:  This step determines if DTC P0341 is the result of a hard malfunction or an intermittent condition.
DTC P0341

Step Action Values Yes No
Schematic Reference:  Engine Controls Schematics 
Connector End View Reference:  Engine Controls Connector End Views  or  Engine Control Module (ECM) Connector End Views 
1 Did you perform the Diagnostic System Check - Vehicle? - Go to Step 2  Go to Diagnostic System Check - Vehicle
2
  1. Install a scan tool.
  2. Turn on the ignition, with the engine OFF.
Are any other DTCs set?
- Go to Diagnostic Trouble Code (DTC) List - Vehicle Go to Step 3 
  1. Start the engine.
  2. Allow the engine to idle.
  3. Observe the CMP Resync Counter with the scan tool.
Does the CMP Resync Counter increment to 14, then reset to 0 continuously?
- Go to Diagnostic Aids Go to Step 4 
4 Observe the Misfire Counter current CYL #1 and #4 counters with a scan tool.
Is cylinder # 1 and/or # 4 Misfire Counters counting up?
- Go to DTC P0300  Go to Step 5 
5
  1. Turn ON the ignition, with the engine OFF.
  2. Disconnect the ignition control module (ICM).
  3. Measure the voltage from the camshaft position (CMP) signal circuit at the ICM harness connector to a good ground with a DMM. Refer to Circuit Testing .
Is the voltage within the specified range?
4-6 V Go to Step 6  Go to Step 7 
6
  1. Observe the CMP Resync Counter with a scan tool.
  2. Crank the engine.
Does the CMP Resync Counter count up without resetting to 0?
- Go to Step 8  Go to Step 10 
7 Test the CMP signal circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs .
Did you find and correct the condition?
- Go to Step 12  Go to Step 10 
8 Test for an intermittent and for a poor connection at the ICM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
- Go to Step 12  Go to Step 9 
9 Replace the ICM. Refer to Ignition Control Module Replacement .
Did you complete the replacement?
- Go to Step 12  -
10 Test for an intermittent and for a poor connection at the engine control module (ECM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
Did you find and correct the condition?
- Go to Step 12  Go to Step 11 
11 Replace the ECM. Refer to Control Module References for replacement, setup, and programming.
Did you complete the replacement?
- Go to Step 12  -
12
  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 13 
13 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