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.
- Verify no DTCs are set.
- If any DTCs are set
Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Go to next step: If no DTCs are set
- If any DTCs are set
- Test for greater than 12 V between the battery positive terminal and negative terminal.
- If 12 V or less
Refer to Battery Inspection/Test .
- Go to next step: If greater than 12 V
- If 12 V or less
- Press the air conditioning switch located on the climate control system and make sure it turns ON and OFF.
- If the air conditioning switch does not turn ON and OFF
Refer to HVAC System Malfunction .
- Go to next step: If the air conditioning switch turns on and off
- If the air conditioning switch does not turn ON and OFF
- Verify that when air conditioning switch is pressed it toggles from Green to Amber.
- If the air conditioning switch indicator does not toggle to Green and Amber.
Refer to HVAC System Malfunction .
- Go to next step: If the switch indicator toggles to Green and Amber
- If the air conditioning switch indicator does not toggle to Green and Amber.
- Verify the scan tool parameter:
- Battery Sensor Module Battery State Information parameter reads Available.
- Battery Sensor Module Reset Occurred - Using Estimated State of Charge reads No.
- If not the specified value
- Refer to Battery Sensor Module Learn
- Test drive the vehicle. Verify the Stop/Start System is functioning correctly.
- if a condition exists
- Go to next step: If No Conditions exists
- All OK.
- Go to next step: If the Specified Value
- Test drive the vehicle.
Verify the Stop/Start System is functioning correctly.
- if a condition exists
- Go to next step: If No Conditions exists
- Verify the infotainment system remains active during a start/stop event.
- If the infotainment system turns off or restarts during a start/stop event.
Refer to Circuit/System Testing - Power Supply Transformer Circuit Malfunction
- Go to next step: If the infotainment system remains active during a start/stop event
- If the infotainment system turns off or restarts during a start/stop event.
- All OK.