Audio/Video

B210D-BATTERY VOLTAGE LOW

For a complete wiring diagram refer to Diagrams/Electrical.

- When Monitored:
- With the ignition on.
- Set Condition:
- If the module detects that the battery voltage is less than 9.0 volts for 1 second.






Diagnostic Test

1. CHECK FOR AN INTERMITTENT CONDITION

Turn the ignition on, then off, and then on again.

With the scan tool, read Amplifier DTCs.

Does the scan tool display active: B210D-BATTERY VOLTAGE LOW?

Yes

- Go To2

No

- The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

2. CHECK THE BATTERY VOLTAGE TO THE AMPLIFIER

With the scan tool in Data Display, read Amplifier battery voltage.

Is the battery voltage less than 9.0 volts?

Yes

- Go To 3

No

- Replace the Amplifier.
- Perform OCS VERIFICATION TEST - VER 1. Occupant Restraint Controller (ORC) Verification Test

3. CHECK FOR CHARGING SYSTEM RELATED DTCs IN THE POWERTRAIN CONTROL MODULE (PCM)

With the scan tool in ECU View, select PCM and check for any Charging System related DTCs.

Does the scan tool display any Charging System related DTCs?

Yes

- Diagnose and repair the DTCs.
No

- Replace the Amplifier.
- Perform OCS VERIFICATION TEST - VER 1. Occupant Restraint Controller (ORC) Verification Test