Mazda 626 Station Wagon, Workshop Manual

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ON-BOARD DIAGNOSTIC
STEP
INSPECTION ACTION
6 INSPECT SEPARATOR* OF CLOCK SPRING
CONNECTOR
• Remove clock spring.
(See Section T)
• Is separator* of clock spring connector
Yes Go to next step.
okay?
No
Replace wiring harness.
*: Consists of two parts of female connector
that separate short bar from terminal when
connected to male connector.
7 INSPECT CLOCK SPRING
• Inspect clock spring.
(See Section T)
• Is clock spring okay?
Yes Go to next step.
No Replace clock spring.
(See Section T)
8 INSPECT WIRING HARNESS BETWEEN
CLOCK SPRING AND SAS UNIT
• Remove glove compartment. (Vehicle with
passenger-side air bag)
• Disconnect passenger-side air bag module
connector. (Vehicle with passenger-side air
bag)
• Disconnect driver and passenger-side side
air bag module connectors. (Vehicles with
side air bag)
• Remove B-pillar lower trims.
• Disconnect driver and passenger-side pre-
tensioner seat belt connectors
• Remove side walls
• Disconnect all SAS unit connectors.
• Inspect following wiring harness between
SAS unit and clock spring terminals
(harness side) for short to ground, short to
power supply, and open circuit:
— 2D and A
— 2G and B
• Are wiring harnesses okay?
Yes Replace driver-side air bag module.
(See Section T)
No Replace wiring harnesses.
DTC 7
DTC 7
Passenger-side air bag module system
DETECTION
CONDITION
Warning
• Detection conditions are for understanding DTC outline before performing inspection.
Performing inspection with only detection conditions may cause Injury due to operating
error or damage the system. When performing Inspection, always follow Inspection
procedure.
Vehicle with passenger-side air bag
• Abnormal resistance (other than 1.63 —2.71 il) detected in passenger-side air bag module circuit
• Short circuit in wiring harness related SAS unit terminal 2Y or 2AB
Vehicle without passenger-side air bag
• Terminal 2AC of SAS unit connector is open
POSSIBLE
CAUSE
Vehicle with passenger-side air bag
• Passenger-side air bag module malfunction
• Malfunction of connector between passenger-side air bag module and SAS unit
• Open or short circuit in wiring harness between passenger-side air bag module and SAS unit
• SAS unit malfunction
Vehicle without passenger-side air bag
• Malfunction of connector between SAS unit and ground
• Open or short circuit in wiring harness between SAS unit and ground
• SAS unit malfunction
T -7 0