Circuit/System Verification
WARNING: This page is about a different car, the 2020 GMC Terrain and 2020 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition - On / Vehicle - In Service Mode
- Verify the scan tool parameter: 9V Reference 1 Circuit Status = OK
- If not the specified state
Refer to: Circuit/System Testing
- Go to next step: If the specified state
- If not the specified state
- Raise and support the vehicle.
- Engine - Idling
- Transmission - D
- Verify the scan tool parameter: Transmission Intermediate Speed Sensor = The value should change smoothly and gradually as the vehicle speed is increased and decreased.
- If the value does not change smoothly and gradually
Refer to: Circuit/System Testing
- Go to next step: If the value changes smoothly and gradually
- If the value does not change smoothly and gradually
- 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 is not set
- If the DTC sets
- All OK.
CAUTION:
Support the lower control arms in the normal horizontal position in order to avoid damage to the drive axles. Do not operate the vehicle in gear with the wheels hanging down at full travel.