B210D-BATTERY VOLTAGE LOW
For a complete wiring diagram Refer to Section 8W.
- 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.
| Possible Causes |
| VEHICLE CHARGING SYSTEM |
| AMPLIFIER |
Diagnostic Test
1. CHECK FOR AN INTERMITTENT CONDITIONTurn 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. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
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 in accordance with the Service Information.
- Perform OCS VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
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. Refer to (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).
No
- Replace the Amplifier in accordance with the Service Information.
- Perform OCS VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)