Honda Civic 2002-2003 Service Manual page 1063

SRS
DTC Troubleshooting (cont'd)
DTC 21·4: Short to Power in Driver's Seat Belt
Buckle Tensioner
Special Tools Required
• SRS inflator simulator 07SAZ-TB401 1A
• SRS simulator lead F 07XAZ-SZ30100
1. Erase the DTC memory (see page 23-26).
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?
VES~Go
to step 3.
NO~lntermittent
failure, system is OK at this time.
Go to Troubleshooting Intermittent Failures (see
page 23-26).
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.
~~;z.....-A
_________ 07XAZ-SZ301 00
....---- 07SAZ-TB4011A
::f)
5. Connect the SRS inflator simulator (2
Q
connectors) and the simulator lead F to the floor
wire harness.
6. Reconnect the battery negative cable.
7. Erase the DIC memory.
23-56
8. Read the DIC.
Is OTe 21-4 indicated?
VES~Go to step 9 .
NO~Short
to power in the driver's seat belt buckle
tensioner; replace the driver's seat belt buckle .•
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 23-21) and the front passenger's
seat belt buckle tensioner 4P connector (see step 6
on page 23-22).