Dtc 21-1: Open Or Increased Resistance In Driver's Seat Belt Buckle Tensioner - Honda EP3 Service Manual

sRs
DTC Troubleshooting {cont'd)
DTC 21-1: Open or Increased Resistance in
Driver's Seat Belt Buckle Tensioner
Special Tools Required
. SRS inflator simulator 07SAZ-TB4011A
. SRS simulator lead F 07XAZ-S230100
1. Erasethe DTC memory (see page 23-261.
2. Turn the ignition switch ON (ll), and check that the
SRS indicator comes on for about 6 seconds and
then goes off.
Does the SBS indicatot stay on?
YES Go to step 3.
NO-lntermittent failure, system is OK at this time.
Go to Troubleshooting Intermittent Failures (see
page 23-261.
3. Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
4. Disconnect the driver's seat belt buckle tensioner
4P connector (A) from the floor wire harness.
5. ConnecttheSRS in{lator simulator (2 Q connectors)
and simulator lead F to the Iloor wire harness.
6. Reconnect the battery negative cable.
7. Erase the DTC memory.
23-54
L J
8. Read the DTC.
l s D T C 2 1 - 1 i n d i c a t e d ?
YES Go to step 9.
NO Open or increased resistance in the driver's
seat belt buckle tensioner; replace the driver's seat
b e l t b u c k l e . I
9. Turn the ignition switch OFF. Disconnect the
battery negative cable. and wait for 3 minutes.
10. Disconnect both side airbag 2P connectors (see
step 4 on page 23-2lland the front passenger's
seat belt buckle tensioner 4P connector (see step 6
on page 23-22) .
1 1 . D i s c o n n e c t S R S u n i t c o n n e c t o r B ( 1 8 P ) f r o m t h e
SRS unit (see step 7 on page 23'22). Do not
disconnect the special tool from the floor wire
n a r n e s s .
12. Check resistance between the No. 1 and No. 10
t e r m i n a l s o f S R S u n i t c o n n e c t o r B ( 1 8 P ) . T h e r e
s h o u l d b e 2 . 0 - 3 . 0 O .
SRS UNIT CONNECTOR B Il8PI
W i r e s i d e o f f e m a l e t e r m i n a l s
ls the resistance as specified?
Y E S * F a u l t y S R S u n i t o r p o o r c o n t a c t a t S R S u n i t
c o n n e c t o r B ( 1 8 P ) a n d t h e S R S u n i t . C h e c k t h e
connection; if the connection is OK, replace the
SRS unit (see page 23-122).a
NO Open or increased resistance in the floor wire
h a r n e s s ; r e p l a c e t h e f l o o r w i r e h a r n e s s . l
b /
GRN/YEL
l t ' '
A \ I '
Y l r 0
] T
I
?
t l
3
6
1
6
s
1 5 t 6 17 t6
GRN/BLK