Circuit/System Verification
WARNING: This page is about a different variant/trim than selected.
- Ignition - On / Vehicle - In Service Mode
- Verify DTC P0121, P0122, P0123, P0222, P0223, P0562, P0621, P0622, P16A0-P16A2, P2135 is not set.
- If any of the DTCs are set
- Go to next step: If none of the DTCs are set
- Verify the scan tool parameter:Throttle Body Idle Air Flow Compensation = Less than 90%
- If 90% or greater
Refer to:Throttle Body Cleaning
- Go to next step: If less than 90%
- If 90% or greater
- Clear the DTCs.
- Ignition/Vehicle - Off
- Ignition - On / Vehicle - In Service Mode
- Perform the scan tool control function:Throttle Sweep - Start
Verify the scan tool parameter:TAC Motor = Enabled
- If not the specified state
Refer to Circuit/System Testing below
- Go to next step: If the specified state
- If not the specified state
- Verify the scan tool parameter:TAC Motor = Enabled
Perform the action while monitoring the parameter:
- Wiggle the harness and connector:Q38 Throttle Body
- Wiggle the harness and connector:X2@K20 Engine Control Module
- If not the specified state
Repair as necessary - Wiring / Terminal(s) / Electrical Connector(s)
- Go to next step: If the specified state
- 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 below
- Go to next step: If the DTC does not set
- If the DTC sets
- All OK.