Diagnostic procedure
WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
DTC B2444, U2017 DIAGNOSTIC PROCEDURE
| STEP |
INSPECTION |
ACTION |
| 1 |
INSPECT DRIVER-SIDE SIDE AIR BAG SENSOR
- Using the WDS or equivalent, verify the following PID/DATA monitor. (See
PID/DATA MONITOR TABLE .)
- Is the driver-side side air bag sensor normal?
|
Yes |
[Present malfunction diagnosis]
[Past malfunction diagnosis]
- DTC troubleshooting completed.
|
| No |
Go to the next step. |
| 2 |
INSPECT WIRING HARNESS BETWEEN DRIVER-SIDE SIDE AIR BAG SENSOR AND SAS CONTROL MODULE
WARNING:
- Handling the air bag system components improperly can accidentally deploy the air bag modules and pre-tensioner seat belts, which may seriously injure you. Read the service warnings and cautions before handling the air bag system components.
(See
SERVICE WARNINGS
.)
(See
SERVICE CAUTIONS
.)
- 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 curtain air bag module connectors.
- Remove the rear door lower trim.
- 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 driver-side side air bag sensor connector.
- Connect the negative battery cable.
- Inspect the wiring harnesses between SAS control module terminal 2Z and driver-side side air bag sensor terminal A, SAS control module terminal 2AA and driver-side side air bag sensor terminal B for the following:
- Short to ground
- Short to power supply
- Open circuit
- Is the wiring harness normal?
|
Yes |
Replace the driver-side side air bag sensor, then go to the next step.
(See
SIDE AIR BAG MODULE REMOVAL/INSTALLATION
.) |
| No |
Replace the air bag wiring harness. |
| 3 |
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 driver-side side air bag sensor connector.
- Are DTCs B2444 and/or U2017 indicated?
|
Yes |
[Present malfunction diagnosis]
[Past malfunction diagnosis]
- DTC troubleshooting completed.
|
| No |
DTC troubleshooting completed. |