Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.

NOTE:

If you were sent here from DTC P0068, P0101, P010B, P0106, P0236, P1101 - Refer to: Circuit/System Testing.

Ignition - On/Vehicle - In Service Mode
Verify DTC P0601-P0606, P06A3, P16F3 is not set.
- If any of the DTCs are set
  Refer to: Diagnostic Trouble Code (DTC) List - Vehicle
- Go to next step: If none of the DTCs are set
Verify DTC P0122, P0123, P0222, P0223, P2135 is not set.
- If only DTC P0122, P0123, P0222, P0223, P2135 is set
  Test or replace the component: Q38 Throttle Body
- If DTC U0606, U0607 and one or more of the DTCs P0122, P0123, P0222, P0223, P2135 is set
  Refer to: Circuit/System Testing
- Go to next step: If none of the DTCs are set
Perform the scan tool control function: Throttle Sweep - Start
Verify the scan tool parameter: Throttle Position Sensors 1 and 2 = Agree
- If not the specified state
  Test or replace the component: Q38 Throttle Body
- Go to next step: If the specified state
Verify the scan tool parameter: Throttle Position = The value should not spike or drop out.
Perform the action while monitoring the parameter:
- Wiggle the harness and connector: Q38 Throttle Body
- Wiggle the harness and connector: K20 Engine Control Module
- If the value spikes or drops out
  Repair as necessary - Wiring/Terminal(s)/Electrical Connector(s)
- Go to next step: If the value does not spike or drop out
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.
Verify the DTC does not set.
- If the DTC sets
  Refer to: Circuit/System Testing
- Go to next step: If the DTC does not set
All OK.