Honda ACCORD HYBRID 2005 Service Manual page 2160

S R S
D T C T r o u b l e s h o o t i n g ( c o n t ' d )
DTC 21-80: Short to Power in Driver's Seat
Belt Tensioner
Special Tools Required
• SRS inflator simulator 07SAZ-TB4011A
• SRS simulator lead F 07XAZ-SZ30100
1. Erase the DTC m e m o r y (see page 24-25).
2. Turn the ignition switch ON (II), and check that the
SRS indicator comes o n for about 6 seconds and
then goes off.
Does the SRS indicator stay on, and is DTC 21-80
indicated?
Y E S — G o t o step 3.
NO—Intermittent failure, system is OK at this t i m e .
Go to Troubleshooting Intermittent Failures
(see page 24-26). If another DTC is indicated, go to
the DTC Troubleshooting Index.
3. Turn the ignition switch OFF. Disconnect the
battery negative cable, and w a i t for 3 minutes.
4. Disconnect the driver's seat belt tensioner 4P
connector (A) f r o m the left floor w i r e harness.
5. Connect the SRS inflator simulator (2 &
connectors) and simulator lead F to the left floor
w i r e harness.
6. Reconnect the battery negative cable.
7. Erase the DTC m e m o r y .
8. Read the DTC (see page 24-24).
Is DTC 21-80 indicated?
Y E S — G o t o step 9.
NO—Short to power in the driver's seat belt
tensioner; replace the driver's seat belt (see page
24-4). •
9. Turn the ignition switch OFF. Disconnect the
battery negative cable, and w a i t for 3 minutes.
10. Disconnect the front passenger's seat belt
tensioner connector (see step 6 on page 24-23).
11. Disconnect SRS unit connector B (28P) f r o m the
SRS unit (see step 7 on page 24-23).
12. Disconnect the simulator lead f r o m the left floor
wire harness.
13. Reconnect the battery negative cable.
14. Turn the ignition switch ON (II).
15. Check for voltage between the No. 1 terminal of
SRS unit connector B (28P) and body g r o u n d , and
between the No. 2 terminal and body g r o u n d .
There should be 0.5 V or less.
S R S UNIT C O N N E C T O R B (28P)
R E D / B L U
I
R E D / W H T
O
S A A
1 2 3 4
O
S A A
O
S A A
11 12
A A
/ /
17 18 19
20 21 22 23 24 25 26 27
/
y ) ( x
W i r e side of f e m a l e t e r m i n a l s
Is the voltage as specified?
YES—Faulty SRS unit or poor contact at SRS unit
connector B (28P) and the SRS unit. Check the
connection; if the connection is OK, replace the
SRS unit (see page 24-153). •
NO—Short to power in the left floor w i r e harness;
replace the left floor w i r e harness. •
24-48