Mazda 6 2002 Workshop Manual page 1086

STEP
6 INSPECT POWER SUPPLY CIRCUIT OF SAS
UNIT (TERMINAL 1W)
• Turn ignition switch to LOCK position.
• Disconnect negative battery cable and wait
for more than 1 minute.
• Connect all SAS unit connectors.
• Connect driver and passenger-side
pre-tensioner seat belt connectors. (Vehicles
with pre-tensioner seat belt)
• Connect driver and passenger-side curtain
air bag module connectors. (Vehicles with
curtain air bag)
• Connect driver and passenger-side side air
bag module connectors. (Vehicles with side
air bag)
• Connect passenger-side air bag module
connector.
• Connect clock spring connector.
• Inspect voltage for PID/DATA monitor RCM
VOLT item using SST (WDS or equivalent ).
• Is voltage of at least either terminal more
than 9 V?
7 INSPECT WIRING HARNESS BETWEEN
BATTERY AND FUSE BLOCK
• Remove driver-side front side trim.
• Remove fuse block without disconnecting
connectors.
• Turn ignition switch to ON position.
• Measure voltage at terminals D (JB–01) of
fuse block connector.
• Is voltage of at least either terminal more
than 9 V?
8 INSPECT WIRING HARNESS BETWEEN
FUSE BLOCK AND SAS UNIT
• Measure voltage at terminals G (JB–03) of
fuse block connector.
• Is voltage of at least either terminal more
than 9 V?
9 VERIFY THAT SAS UNIT CONNECTOR
TERMINAL 1X IS GROUND
• 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 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.
• Inspect wiring harness between SAS unit
connector terminal 1X and ground for
following:
— Short to power supply
— Open circuit
• Is wiring harness okay?
T–234
TROUBLESHOOTING
INSPECTION
Yes Go to Step 9.
No Go to net step.
Yes Go to net step.
No Repair wiring harnesses, then go to Step 10.
Yes Repair wiring harnesses, then go to Step 10.
No Inspect fuse block, then go to Step 10.
Yes Replace SAS unit, then go to net step.
(See T–124 SAS UNIT
No Replace wiring harnesses, then go to net step.
ACTION
REMOVAL/INSTALLATION)