ON-BOARD DIAGNOSTIC [AIR BAG SYSTEM]
T219
T
Diagnostic procedure
End Of Sie
STEP INSPECTION ACTION
1 INSPECT CRASH ZONE SENSOR
• Check following PID/DATA monitor, using
SST (WDS or equivalent).
(See T195 PID/DATA MONITOR TABLE)
OD_F_CRSH
• Is crash zone sensor normal?
Yes
Present malfunction diagnosis:
• Replace SAS unit.
(See T124 SAS UNIT REMOVAL/INSTALLATION)
Past malfunction diagnosis:
• Troubleshooting completed.
No Go to next step.
2 INSPECT WIRING HARNESS BETWEEN
CRASH ZONE SENSOR AND SAS UNIT
Warning
•
••
• Handling air bag system components
improperly can accidentally deploy air
bag modules and pre-tensioner seat
belts, which may seriously injure you.
Read AIR BAG SYSTEM SERVICE
WARNINGS before handling air bag
system components.
(See T117 SERVICE WARNINGS)
• 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:
1BA
1CB
• Is wiring harness okay?
Yes Replace crash zone sensor, then go to next step.
(See T123 CRASH ZONE SENSOR REMOVAL/
INSTALLATION)
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.
(See T124 SAS UNIT REMOVAL/INSTALLATION)
Past malfunction diagnosis:
• Troubleshooting completed.
No Troubleshooting completed.