TROUBLESHOOTING
T–233
T
2 VERIFY THAT SAS unit CONNECTOR IS
CONNECTED
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 T–117 SERVICE WARNINGS)
• Turn ignition switch to LOCK position.
• Disconnect negative battery cable and wait
for more than 1 minute.
• Turn up floor covering.
• Are all SAS unit connectors securely
connected?
Yes Go to next step.
No Reconnect connector properly, then go to Step 10.
* 3 INSPECT WIRING HARNESS BETWEEN SAS
UNIT AND INSTRUMENT CLUSTER FOR
CONTINUITY
• 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. (Vehicles with
side air bag)
• Disconnect driver and passenger-side
curtain air bag module connectors. (Vehicles
with curtain air bag)
• Remove B-pillar lower trims. (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 instrument cluster connector.
• Is there continuity between SAS unit
connector terminal 1T and instrument cluster
connector terminal 1O?
Yes Go to next step.
No Replace wiring harness, then go to Step 10.
* 4 INSPECT WIRING HARNESS BETWEEN SAS
UNIT AND INSTRUMENT CLUSTER FOR
SHORT TO POWER SUPPLY
• Connect negative battery cable.
• Turn ignition switch to ON position.
• Measure voltage at instrument cluster
connector terminal 1O.
• Is voltage more than approximately 9 V?
Yes Replace wiring harness, then go to Step 10.
No Go to next step.
5 CHECK TO SEE WHETHER MALFUNCTION
IS IN AIR BAG SYSTEM WARNING LIGHT IN
INSTRUMENT CLUSTER
• Connect instrument cluster connector
terminal 1O to ground, then reconnect
connector.
• Does air bag system warning light illuminate
with ignition switch ON?
Yes Replace instrument cluster, then go to Step 9.
(See T–72 INSTRUMENT CLUSTER REMOVAL/
INSTALLATION)
No Go to next step.
STEP INSPECTION ACTION