Circuit/System Verification
WARNING: This page is about a different variant/trim than selected.
- Ignition - On/Vehicle - In Service Mode
- Verify DTC U060F, U1346 is not set and no other DTCs are set.
- If DTC P0102, U060F, U1346 is set and no other DTCs are set
Refer to: Circuit/System Testing - Test 1
- If DTC P0102, P0103 is set and no other DTCs are set
Refer to: Circuit/System Testing - Test 1
- If DTC U060F, U1346 is set and other DTCs are set
Refer to: Circuit/System Testing - Test 2
- Go to next step: If none of the DTCs are set
- If DTC P0102, U060F, U1346 is set and no other DTCs are set
- Engine - Idling
- Increase the engine speed slowly to 3k RPM and then back to idle.
- Perform the scan tool function: Review Stored Data
- Observe the scan tool parameter frame by frame with a scan tool: MAF Sensor
Verify the scan tool parameter: MAF Sensor = The value should not spike or drop out.
- If the value spikes or drops out
Refer to: Circuit/System Testing - Test 1
- Go to next step: If the value does not spike or drop out
- If the value spikes or drops out
- Verify the scan tool parameter: MAF Sensor = The value should not spike or drop out.
Perform the action while monitoring the parameter:
- Wiggle the harness and connector: B75C Multifunction Intake Air Sensor
- 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 is set
Refer to: Circuit/System Testing - Test 1
- Go to next step: If the DTC is not set
- If the DTC is set
- All OK.