Diagnostic procedure
WARNING: This page is about a different car, the 2005 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC PROCEDURE - DTC B2296
| STEP |
INSPECTION |
ACTION |
| 1 |
INSPECT CRASH ZONE SENSOR
|
Yes |
[Present malfunction diagnosis]
[Past malfunction diagnosis]
- DTC troubleshooting completed.
|
| No |
Go to the next step. |
| 2 |
INSPECT WIRING HARNESS BETWEEN CRASH ZONE SENSOR AND SAS CONTROL MODULE
- Turn the ignition switch to the LOCK position.
- Disconnect the negative battery cable and wait for 1 min or more
.
- Remove the column cover.
- Disconnect the clock spring connector.
- Remove the glove compartment.
- Disconnect the passenger-side air bag module connector.
- Disconnect the driver and passenger-side side air bag module connectors.
- Disconnect the driver and passenger-side pre-tensioner seat belt connectors.
- Partially peel back the floor covering.
- Disconnect the SAS control module connector.
- Disconnect the crash zone sensor connector.
- Connect the negative battery cable.
- Inspect the wiring harnesses between SAS control module terminal 1B and crash zone sensor terminal A, SAS control module terminal 1C and crash zone sensor terminal B for the following:
- Short to ground
- Short to power supply
- Open circuit
- Is the wiring harness normal?
|
Yes |
Replace the crash zone sensor, then go to the next step. (See CRASH ZONE SENSOR REMOVAL/INSTALLATION
.) |
| No |
Replace the air bag wiring harness. |
| 4 |
INSPECT SAS CONTROL MODULE
- Turn the ignition switch to the LOCK position.
- Disconnect the negative battery cable and wait for 1 min or more
.
- Connect the SAS control module connector.
- Connect the crash zone sensor connector.
- Is DTC B2296 indicated?
|
Yes |
[Present malfunction diagnosis]
[Past malfunction diagnosis]
- DTC troubleshooting completed.
|
| No |
DTC troubleshooting completed. |