Diagnostic procedure
STEP
|
INSPECTION
|
ACTION
|
|
---|---|---|---|
1
|
INSPECT PASSENGER-SIDE SIDE AIR BAG SENSOR
• Using the WDS or equivalent, verify the following PID/DATA monitor. (See PID/DATA MONITOR TABLE.)
• Is the passenger-side side air bag sensor normal?
|
Yes
|
[Present malfunction diagnosis]
• Replace the SAS unit.
[Past malfunction diagnosis]
• DTC troubleshooting completed.
|
No
|
Go to the next step.
|
||
2
|
INSPECT WIRING HARNESS BETWEEN PASSENGER-SIDE AIR BAG SENSOR AND SAS UNIT
• 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 door trim.
• Disconnect the driver and passenger-side pre-tensioner seat belt connectors.
• Partially peel back the floor covering.
• Disconnect the SAS unit connector.
• Disconnect the passenger-side side air bag sensor connector.
• Connect the negative battery cable.
• Inspect the wiring harnesses between SAS unit terminal 2B and passenger-side side air bag sensor terminal A, SAS unit terminal 2C and passenger-side side air bag sensor terminal B for the following:
• Is the wiring harness normal?
|
Yes
|
Replace the passenger-side side air bag sensor, then go to the next step.
|
No
|
Replace the air bag wiring harness.
|
||
3
|
INSPECT SAS UNIT
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable and wait for 1 min or more.
• Connect the passenger-side side air bag sensor connector.
• Are DTCs B2445 and/or U2018 indicated?
|
Yes
|
[Present malfunction diagnosis]
• Replace the SAS unit.
[Past malfunction diagnosis]
• DTC troubleshooting completed.
|
No
|
DTC troubleshooting completed.
|