Restraints

B210D-BATTERY VOLTAGE LOW





For a complete wiring diagram Refer to Diagrams/Electrical.

- When Monitored:

OCM-While the CAN bus ignition status received is RUN or signal not available, the module checks the (A106) Fused B(+) circuit voltage input range.

- Set Condition:

OCM-If the module detects that the battery voltage is less than or equal to 6.50 ± 0.25 volts.

- When Monitored:

ORC-While the CAN bus ignition status received is RUN or signal not available, the module checks the (F201) Fused Ignition Switch Output (RUN/START) circuit and the (F214) Fused Run Relay Output (RUN only) circuit voltage input range.

- Set Condition:

ORC-If the module detects that the battery voltage is less than or equal to 6.50 ± 0.25 volts on the (F201) or (F214) circuits.





Diagnostic Test

1.CHECK FOR AN ACTIVE DTC

NOTE: Ensure the battery is fully charged.

NOTE: Troubleshoot any PCM charging/cranking DTCs before proceeding.

NOTE: When reconnecting Airbag system components, the ignition must be turned off and the battery must be disconnected.

Turn the ignition on.

With the scan tool, read Occupant Restraint Controller (ORC) DTCs.

Select module and DTC type.

OCM Active

- Go To 2

OCM Stored

- Go To 4

ORC Active

- Go To 3

ORC Stored

- Go To 4

2.TEST THE VOLTAGE OF OCM (A106) FUSED B(+) CIRCUITS.





WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.

Disconnect the OCM C1 connector.

WARNING: To avoid personal injury or death, turn the ignition on, then reconnect the battery.

Measure the voltage of the (A106) Fused (B+) circuit.

Is the voltage above 6.50 ± 0.25 volts on both circuits?

Yes

- Replace the OCM. Perform the Occupant Classification Module System Verification Test. Verification Tests
- Perform OCS VERIFICATION TEST - VER 1. Verification Tests

No

- Repair the low voltage on the (A106) FUSED B(+) circuit.
- Perform OCS VERIFICATION TEST - VER 1. Verification Tests

3.MEASURE THE VOLTAGE OF ORC (F214) FUSED RUN RELAY OUTPUT AND THE (F201) FUSED IGNITION OUTPUT RUN/START CIRCUITS

WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.

Disconnect the ORC C1 connector.

WARNING: To avoid personal injury or death, turn the ignition on, then reconnect the battery.

Measure the voltage of the (F214) fused Run Relay Output and (F201) Fused Ignition Switch Output Run/Start circuits.

Is the voltage above 6.50 ± 0.25 volts on both circuits?

Yes

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

No

- Repair the (F214) Fused Run relay Output and/or (F201) Fused Ignition Switch output Run/Start circuits for an open.
- Perform *ORC VERIFICATION TEST - VER 1. Occupant Restraint Controller (ORC) Verification Test

4.TEST FOR INTERMITTENT CONDITION

With the scan tool, record and erase all DTCs from all Airbag modules.

If any ACTIVE codes are present they must be resolved before diagnosing any stored codes.

WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.

Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.

Look for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated terminals.

The following additional checks may assist you in identifying a possible intermittent problem.

Reconnect any disconnected components and harness connector.

WARNING: To avoid personal injury or death, turn the ignition on, then reconnect the battery.

With the scan tool, monitor active codes as you work through the following steps.

WARNING: To avoid personal injury or death, maintain a safe distance from all airbags while performing the following steps.

Wiggle the wiring harness and connectors of the related airbag circuit or component.

If codes are related to the Driver Airbag circuits, rotate the steering wheel from stop to stop.

If only stored codes return, continue the test until the problem area has been isolated.

In the previous steps you have attempted to recreate the conditions responsible for setting the active DTC in question.

Does the scan tool display any ACTIVE DTCs?

Yes

- Select appropriate symptom from Symptom List.

No

- No problem found Erase all codes before returning vehicle to customer.