Honda ACCORD HYBRID 2005 Service Manual page 2193

DTC 42-11: No Signal from the Right Front
Impact Sensor
DTC 42-12: Short to Ground or Short to
Power/Open in Right Front Impact Sensor
Special Tools Required
• SRS inflator simulator 07SAZ-TB4011A
• SRS simulator lead H 07YAZ-S3AA100
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 on for about 6 seconds and
then goes off.
Does the SRS indicator stay on, and is DTC 42-11
or 42-12 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. Check the
connections between SRS unit connector A (28P)
and the SRS unit, between the engine
c o m p a r t m e n t w i r e harness 2P connector and the
right front impact sensor (see page 24-157), and at
connector C403 (see page 22-30).
Are the connections OK?
Y E S — G o t o step 4.
NO—Repair the poor connections and retest. If DTC
42-11 or 42-12 is still present, g o t o step 4.
4. Disconnect the battery negative cable, and w a i t for
3 minutes.
5. Disconnect the engine c o m p a r t m e n t w i r e harness
2P connector (A) f r o m the right front impact sensor.
6. Disconnect SRS unit connector A (28P) f r o m the
SRS unit (see step 7 on page 24-23).
7. Check resistance between the No. 16 and No. 28
terminals of SRS unit connector A (28P). There
should be an open circuit or at least 1 M Q .
S R S UNIT C O N N E C T O R A (28P)
O
S D A
1 2 3
4
/
O
S D A
/
7
8
9 10
/ / /
ML
/
15 16
17 18 19
/ /
22 23 24 25 26 27 28
BRN
G R N
W i r e side of f e m a l e t e r m i n a l s
Is the resistance as specified?
Y E S — G o t o step 8.
NO—Short in the engine c o m p a r t m e n t w i r e
harness or dashboard w i r e harness; replace the
faulty harness. •
(cont'd)
24-81