Mazda 6 2002 Workshop Manual page 1057

ON-BOARD DIAGNOSTIC [AIR BAG SYSTEM]
DTC B1884, B1890
B1884 Passenger-side air bag cut-off indicator light system circuit open or short to ground
DTC
B1890 Passenger-side air bag cut-off indicator light system circuit short to power supply
Warning
• • • • Detection conditions are for understanding DTC outline before performing inspection.
DETECTION
Performing inspection with only detection conditions may cause injury due to operating error
CONDITION
or damage the system. When performing inspection, always follow inspection procedure.
• Malfunction in passenger-side air bag cut-off indicator light circuit
• Open or short circuit in wiring harness between SAS unit and passenger-side air bag cut-off indicator
light
POSSIBLE • Open circuit in wiring harness between METER IG 15 A fuse and passenger-side air bag cut-off
CAUSE indicator light
• Passenger-side air bag cut-off indicator light malfunction
• SAS unit malfunction
Diagnostic procedure
STEP
1 • Is vehicle equipped with passenger-side air bag
cut-off function?
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?
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 approimately 6 seconds?
INSPECTION
Yes [Present malfunction diagnosis]
Go to net step.
[Past malfunction diagnosis]
Go to Step 4.
No [Present malfunction diagnosis]
Replace SAS unit.
(See T–124 SAS UNIT
[Past malfunction diagnosis]
Troubleshooting completed.
Yes Go to net step.
No Go to Step 6.
Yes Replace SAS unit.
(See T–124 SAS UNIT
No Go to net step.
A6E817401046W11
ACTION
REMOVAL/INSTALLATION)
REMOVAL/INSTALLATION)
T–205
T