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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1074 (Engine Controls Diagnosis - 6.6L (LLY) (DTC P0653 To DTC P2228)) >> Diagnosis >> DTC P0698 >> Conditions for Clearing the MIL/DTC

Conditions for Clearing the MIL/DTC

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0698

Step Action Values Yes No
Schematic Reference:  Engine Controls Schematics 
Connector End View Reference:  Engine Control Module (ECM) Connector End Views  or  Engine Controls Connector End Views 
1 Did you perform the Diagnostic System Check - Engine Controls? - Go to Step 2  Go to Diagnostic System Check - Engine Controls
2
  1. Observe the Freeze Frame/Failure records 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.
Did the DTC fail this ignition?
- Go to Step 3  Go to Intermittent Conditions
3
  1. Turn OFF the ignition.
  2. Disconnect the accelerator pedal position (APP) sensor.
  3. Turn ON the ignition, with the engine OFF.
  4. Observe the 5-Volt Reference 3 parameter with a scan tool.
Is the 5-Volt Reference 3 parameter within the specified range?
4.5-4.7 V Go to Step 8  Go to Step 4 
4
  1. Disconnect the camshaft position (CMP) sensor.
  2. Turn ON the ignition, with the engine OFF.
  3. Observe the 5-Volt Reference 3 parameter with a scan tool.
Is the 5-Volt Reference 3 parameter within the specified range?
4.5-4.7 V Go to Step 9  Go to Step 5 
5 Test the 5-volt reference circuit of the camshaft position sensor 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 10  Go to Step 6 
6 Test the 5-volt reference circuit for the accelerator pedal position (APP) sensor 3 for a short to ground. Refer to Circuit Testing andWiring Repairs in Wiring Systems.
Did you find and correct the condition?
- Go to Step 10  Go to Step 7 
7 Replace the engine control module (ECM). Refer to Engine Control Module (ECM) Replacement .
Did you complete the replacement?
- Go to Step 10  -
8 Replace the APP sensor. Refer to Accelerator Pedal Position (APP) Sensor Replacement .
Did you complete the replacement?
- Go to Step 10  -
9 Replace the CMP sensor. Refer to Camshaft Position (CMP) Sensor Replacement .
Did you complete the replacement?
- Go to Step 10  -
10
  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 3  Go to Step 11 
11 Observe the Capture Info with a scan tool.
Are there any DTCs that have not been diagnosed?
- Go to Diagnostic Trouble Code (DTC) List System OK