DTC 11-1x ("x" can be 0 thru 9 or A thru F):
Open or Increased Resistance in Driver's
Airbag First Inflator
DTC 11-4x ("x" can be 0 thru 9 or A thru F):
Open or Increased Resistance in Driver's
Airbag
DTC 21-1x ("x" can be 0 thru 9 or A thru F):
Open or Increased Resistance in Driver's Seat
Belt Tensioner
Special Tools Required
SRS inflator simulator 07SAZ-TB4011A
SRS simulator lead
Special Tools Required
SRS inflator simulator 07SAZ-TB4011A
SRS simulator lead K 070AZ-SNAA200
NOTE: Before doing this troubleshooting procedure,
review SRS Precautions and Procedures.
1. Erase th
Your seat belt system includes lap/
shoulder belts in all seating positions.
The front seat belts are also
equipped with automatic seat belt
tensioners.
This system uses the same sensors
as the front airbags to monitor
whether the front seat belts are
latched or unlatched, and how much
1. Remove the crankshaft and pistons.
2. Check the piston for distortion or cracks.
3. Measure the piston diameter at a point 13 mm
(0.5 in.) from the bottom of the skirt. There are two
standard-size pistons (No Letter or A, and B). The
letter is stamped on the top of the piston. Letters
are also