Circuit Description
The internal fault detection is handled by the driver information center (DIC).
DTC Descriptor
This diagnostic procedure supports the following DTC:
DTC B0931 Compass Sensor Circuit
Conditions for Running the DTC
The DIC monitors the analog input value once every ignition cycle at power up.
Conditions for Setting the DTC
The DIC does not detect the compass sensor. This may be due to a faulty sensor that is not connected to the DIC.
Action Taken When the DTC Sets
The DTC will be set and stored in non-volatile memory.
Conditions for Clearing the DTC
| • | The DTC will become history when a power cycle has been performed and the fault is not detected by the DIC. |
| • | A history DTC will clear after 100 fault free ignition cycles. |
| • | A scan tool may be used to clear the DTC. |
Diagnostic Aids
If this DTC is retrieved as both a Current and a History DTC, replace the DIC.
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Driver Information System Schematics | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in DTC Information |
2 | Test the driver information center (DIC) compass sensor circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 4 | Go to Step 3 |
3 | Replace the DIC. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? | Go to Step 4 | -- |
4 |
Does the DTC reset? | Go to Step 2 | System OK |
