Mazda 626 Station Wagon, Workshop Manual

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TROUBLESHOOTING
STEP
INSPECTION ACTION
2
INSPECT SAS UNIT TERMINAL 3F
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-56 SERVICE WARNINGS
• Turn ignition switch to LOCK position.
• Disconnect negative battery cable and wait
for more than 1 minute.
• Remove column cover.
Yes Replace SAS unit, then go to Step 5.
(See T-59 SAS UNIT REMOVAL/INSTALLATION)
• Disconnect clock spring connector.
• Remove glove compartment. (With
passenger-side air bag)
• Disconnect passenger-side air bag module
connector. (With passenger-side air bag)
• Disconnect driver- and passenger-side side
air bag module connectors. (With side air
bag)
• Remove B-pillar lower trims.
• Disconnect driver- and passenger-side
pre-tensioner seat belt connectors.
• Remove left side side wall.
• Disconnect all SAS unit connectors.
• Is terminal 3F of SAS unit damaged?
No Go to next step.
3 INSPECT SAS UNIT CONNECTOR
TERMINAL 3F
Yes Replace wiring harness, then go to Step 5.
• Is terminal 3F of SAS unit connector
damaged?
No Go to next step.
*4 INSPECT WIRING HARNESS BETWEEN
SAS UNIT AND TNS RELAY FOR
CONTINUITY
• Disconnect TNS relay connector.
• Is there continuity between terminal 3F of
SAS unit connector and terminal C of TNS
relay connector?
Yes Replace SAS unit, then go to next step.
(See T-59 SAS UNIT REMOVAL/INSTALLATION)
No Replace wiring harness between SAS unit and TNS
relay, then go to next step.
T-109