Mazda 626 Station Wagon, Workshop Manual

Page: 520 / 577

ON-BOARD DIAGNOSTIC
DTC46
DTC46 Passenger-side air bag cut-off indicator light 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.
• Malfunction in passenger-side air bag cut-off indicator light circuit__________________________
POSSIBLE
CAUSE
• Passenger-side air bag cut-off indicator light bulb malfunction
• Open or short circuit in wiring harness between SAS unit and instrument cluster
• Open circuit in wiring harness between METER 7.5 A fuse and instrument cluster
• Instrument cluster malfunction
• SAS unit malfunction
IN STRUM ENT C L U S T E R C O N N E C TO R INSTRUM ENT CLUSTER
n
n
r— = r ^ = — -i
n
n n
1
Q
1 0
1M 1
K |
1 1 1G
1
E 1C
1
A
u
___
1
Q 1 0
1M
1
K
1 1
1G
1
E 1C
1
A
1
R 1P 1N 1 L [ 1J
1
H
1
F
1
D
1B 1
R 1P 1N
1
L
1
J
1H
1
F 1D
1
B
SAS UNIT CONNECTO R
H A R N E S S S ID E C O N N E C TO R
(V IE W FROM H A R N E SS SIDE)
HAR NESS SID E C O N NECTO R
(VIEW FRO M TERM INAL SI DE)
r-
— ~
II
-,
2 0
2M 2K
2 1 2
G 2E 2C 2A
2P 2N
2L
2J 2H 2F 2D 2B
n n
2 0
2M 2K
21 2G
2E 2C 2A
2P 2N 2L
2J
2H 2F 2D 2B
n f
3K
31
3G 3E 3C
3A
3L 3J 3H
3F [ 3D 3B
HARNESS SIDE CONNECTOR
(VIEW FROM HARNESS SIDE)
H A R N E S S SID E C O N N E C TO R
(V IE W FRO M HARNESS SIDE)
HARNESS S ID E CO N NECTO R
(VIEW FRO M TER M IN A L SIDE)
Diagnostic procedure
STEP INSPECTION ACTION
1 Note
• If occupancy sensor connector
(3 terminals) is located on bottom of
passenger’s seat, vehicle has
passenger-side air bag cut-off function.
• Is vehicle equipped with passenger-side air
bag cut-off function?
Yes Present malfunction diagnosis:
Go to next step.
Past malfunction diagnosis:
Go to Step 4.
No
Present malfunction diagnosis:
Replace SAS unit.
(See T-59 SAS UNIT REMOVAL/INSTALLATION)
Past malfunction diagnosis:
Troubleshooting completed.
2
INSPECT OPERATION OF PASSENGER-
SIDE AIR BAG CUT-OFF INDICATOR LIGHT
• Turn ignition switch to LOCK position and
wait for more than 1 minute.
• Turn ignition switch to ON position.
• Does passenger-side air bag cut-off
indicator light illuminate?
Yes Go to next step.
No Go to Step 6.
3 INSPECT OPERATION OF PASSENGER-SIDE
AIR BAG CUT-OFF INDICATOR LIGHT
• Without child restraint seat on passenger’s
seat, does passenger-side air bag cut-off
indicator light go off after
approximately 6
seconds?
Yes Replace SAS unit.
(See T-59 SAS UNIT REM0VAL7INSTALLATI0N)
No Go to next step.
T -9 8