Circuit/System Verification
WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Do not have a battery charger connected during the generator testing.
- Ignition - On / Vehicle - In Service Mode
- Verify the charge indicator is On while the instrument cluster performs the bulb check. Approximately 4 seconds.
- If the indicator is Off during the bulb check. Approximately 4 seconds
Replace P16 Instrument Cluster
- Go to next step: If the indicator is On during the bulb check. Approximately 4 seconds
- If the indicator is Off during the bulb check. Approximately 4 seconds
- Verify there are no DTCs set related to the following system/component:
- B18 Battery Current Sensor (If applicable)
- B110 Battery Sensor Module (If applicable)
- G13 Generator
- Energy Management
- Stop/Start System (KL9)
- If any DTC is set
- Go to next step: If no DTC is set
- Increase the engine speed slowly to 2500 RPM. All accessories OFF.
- Verify the scan tool Battery Voltage parameter is between 12.0 - 15.8 V
- If not between 12.0 - 15.8 V
Refer to Circuit System Testing
- Go to next step: If between 12.0 - 15.8 V
- If not between 12.0 - 15.8 V
- Turn the following components ON:
- Headlamps
- Rear Defogger
- Blower Motor at maximum speed
- Increase the engine speed slowly to 2500 RPM. Verify the scan tool Battery Voltage parameter is between 12.6 - 15.8 V.
- If not between 12.6 - 15.8 V
Refer to Circuit System Testing
- Go to next step: If between 12.6 - 15.8 V
- If not between 12.6 - 15.8 V
- Verify the charge indicator on the instrument cluster is Off and the Driver Information Center (DIC) does not display any charging system error message.
- If the indicator is On
Refer to Circuit System Testing
- Go to next step: If the indicator is Off
- If the indicator is On
- All OK.