Diagnostic procedure
STEP
|
INSPECTION
|
ACTION
|
|
---|---|---|---|
1
|
INSPECT CRASH ZONE SENSOR
• Check following PID/DATA monitor, using SST (WDS or equivalent).
(See PID/DATA MONITOR TABLE)
• Is crash zone sensor normal?
|
Yes
|
Present malfunction diagnosis:
• Replace SAS unit.
Past malfunction diagnosis:
• Troubleshooting completed.
|
No
|
Go to next step.
|
||
2
|
INSPECT WIRING HARNESS BETWEEN CRASH ZONE SENSOR AND SAS UNIT
• Turn ignition switch to LOCK position.
• Disconnect negative battery cable and wait for more than 1 minute.
• Remove column cover.
• Disconnect clock spring connector.
• Remove glove compartment.
• Disconnect passenger-side air bag module connector.
• Disconnect driver and passenger-side side air bag module connectors. (Vehicle with side air bag)
• Disconnect driver and passenger-side curtain air bag module connectors. (Vehicle with curtain air bag)
• Remove B-pillar lower trim. (Vehicle with pre-tensioner seat belt)
• Disconnect driver and passenger-side pre-tensioner seat belt connectors. (Vehicle with pre-tensioner seat belt)
• Turn up floor covering.
• Disconnect all SAS unit connectors.
• Disconnect crash zone sensor connector.
• Connect negative battery cable.
• Inspect following wiring harnesses between SAS unit and crash zone sensor terminals for short to ground, short to power supply, and open circuit:
• Is wiring harness okay?
|
Yes
|
Replace crash zone sensor, then go to next step.
|
No
|
Replace wiring harnesses.
|
||
3
|
INSPECT SAS UNIT
• Turn ignition switch to LOCK position.
• Disconnect negative battery cable and wait for more than 1 minute.
• Connect all SAS unit connectors.
• Connect crash zone sensor connector.
• Is DTC B2296 indicated?
|
Yes
|
Present malfunction diagnosis:
• Replace SAS unit.
Past malfunction diagnosis:
• Troubleshooting completed.
|
No
|
Troubleshooting completed.
|