DTC B1056, B2777, B2778, B2779, B2780
DTC B1056, B2777, B2778, B2779, B2780 DETECTION CONDITION AND POSSIBLE CAUSE
4
connector. (See
PASSENGER-SIDE AIR
BAG MODULE
REMOVAL/INSTALLATION
.)
z
Disconnect the driver-side seat connector. (See
FRONT SEAT
REMOVAL/INSTALLATION
.)
z
Disconnect the driver and passenger-side curtain
air bag module connectors. (See
CURTAIN
AIR BAG MODULE
REMOVAL/INSTALLATION
.)
z
Remove the B-pillar lower trim. (See
B-
PILLAR LOWER TRIM
REMOVAL/INSTALLATION
.)
z
Disconnect the driver and passenger-side pre-
tensioner seat belt connectors. (See
FRONT
SEAT BELT
REMOVAL/INSTALLATION
.)
z
Disconnect the SAS control module connectors.
(See
SAS CONTROL MODULE
REMOVAL/INSTALLATION
.)
z
Inspect the wiring harness between SAS control
module terminal 21 and passenger-side side air
bag module terminal A, SAS control module
terminal 2M and passenger-side side air bag
module terminal B for the following:
{
Short to ground
{
Short to power supply
{
Open circuit
z
Is the wiring harness normal?
Yes
SAS CONTROL MODULE
REMOVAL/INSTALLATION
.)
No
Replace the air bag wiring harness.
DTC
B1056 Passenger-side curtain air bag module and other air bag module circuits short
B2777 Passenger-side curtain air bag module circuit resistance low
B2778 Passenger-side curtain air bag module circuit resistance high
B2779 Passenger-side curtain air bag module circuit short to body ground
B2780 Passenger-side curtain air bag module circuit short to power supply
DETECTION
WARNING:
z
Detection conditions are for understanding the DTC outline before performing an
inspection. Performing an inspection according to only the detection conditions
may cause injury due to an operating error, or damage the system. When
performing an inspection, always follow the inspection procedure.
2008 Mazda CX-9 Grand Touring
2008 RESTRAINTS On-Board Diagnostic (Restraints) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:18:46 AM
Page 47
© 2005 Mitchell Repair Information Company, LLC.
