Mazda 6 2002, Workshop Manual

Page: 1144 / 1248

T–236
TROUBLESHOOTING
*2 INSPECT WIRING HARNESS BETWEEN
PASSENGER-SIDE AIR BAG CUT-OFF
INDICATOR LIGHT AND SAS UNIT FOR
CONTINUITY
Warning
•
Handling air bag system components
improperly can accidentally deploy air
bag modules and pre-tensioner seat
belts, which may seriously injure you.
Read 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 .
•
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.
•
Is there continuity between terminal 1U of
SAS unit connector and terminal A of
passenger-side air bag cut-off indicator light?
Yes Go to next step.
No Replace wiring harness, then go to Step 5.
*3 INSPECT WIRING HARNESS BETWEEN
PASSENGER-SIDE AIR BAG CUT-OFF
INDICATOR LIGHT AND SAS UNIT FOR
SHORT TO POWER SUPPLY
•
Connect negative battery cable.
•
Turn ignition switch to ON position.
•
Measure voltage at terminal A of passenger-
side air bag cut-off indicator light connector.
•
Is voltage more than approximately 9 V ?
Yes Replace wiring harness, then go to Step 5.
No Go to next step.
4 CHECK TO SEE WHETHER MALFUNCTION
IS IN PASSENGER-SIDE AIR BAG CUT-OFF
INDICATOR LIGHT OR SAS UNIT
•
Connect SAS unit connector terminal 1U to
ground.
•
Does passenger-side air bag cut-off indicator
light illuminate with ignition switch on?
Yes Replace SAS unit, then go to next step.
(See
T–124 SAS UNIT REMOVAL/INSTALLATION )
No Go to next step.
STEP INSPECTION ACTION