Honda Civic. Manual — part 57
Fig. 124: Identifying Floor Wire Harness 2P Connector And Driver's Side
Airbag
Courtesy of AMERICAN HONDA MOTOR CO., INC.
5. Connect the SRS inflator simulator (2 ohms connectors) and simulator lead L
to the floor wire harness.
6. Reconnect the negative cable to the battery.
7. Clear the DTC memory.
8. Read the DTC (see CLEAR THE DTC MEMORY WITH THE HDS).
Is DTC31-3x indicated?
YES -Go to step 9.
NO -Short to another wire in the driver's side airbag inflator; replace the
driver's side airbag (see SIDE AIRBAG REPLACEMENT).
9. Turn the ignition switch OFF. Disconnect the negative cable from the battery,
then wait for 3 minutes.
10. Disconnect both seat belt tensioner 4P connectors (see step7
DISCONNECTING SYSTEM CONNECTORS) and both seat belt buckle
tensioner 4P connectors (see step 8 DISCONNECTING SYSTEM
CONNECTORS).
11. Disconnect SRS unit connector B (28P) from the SRS unit (see step 9
DISCONNECTING SYSTEM CONNECTORS).
2008 Honda Civic EX
2006-08 RESTRAINTS SRS (Supplemental Restraint System) - Civic (Except Hybrid)
12. Disconnect the SRS inflator simulator from the SRS simulator lead. Do not
disconnect the simulator lead from the floor wire harness 2P connector.
13. Connect the SRS short canceller (070AZ-SAA0100) to the No. 17 and No. 18
terminals of SRS unit connector B (28P) (see OPENING THE SRS UNIT
SHORTING CONNECTORS FOR DIAGNOSIS).
14. Measure the resistance between the terminals of the black SRS simulator lead
(A). There should be an open circuit or at least 1 M ohms.
Fig. 125: Identifying Floor Wire Harness 2P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is the resistance as specified?
YES -Faulty SRS unit or poor connection at SRS unit connector B (28P) and
the SRS unit. Check the connection; if the connection is OK, replace the SRS
unit (see SRS UNIT REPLACEMENT).
NO -Short in the floor wire harness; replace the floor wire harness.
DTC 31-8X ("X" CAN BE 0 THRU 9 OR A THRU F): SHORT TO POWER IN DRIVER'S SIDE
AIRBAG INFLATOR
Special Tools Required
SRS inflator simulator 07SAZ-TB4011A
SRS simulator lead L 070AZ-SNAA300
2008 Honda Civic EX
2006-08 RESTRAINTS SRS (Supplemental Restraint System) - Civic (Except Hybrid)
1. Clear the DTC memory (see CLEAR THE DTC MEMORY WITH THE
HDS).
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 31-8x indicated?
YES -Go to step 3.
NO -Intermittent failure, system is OK at this time. Go to
TROUBLESHOOTING INTERMITTENT FAILURES. If another DTC is
indicated, troubleshoot the DTC.
3. Turn the ignition switch OFF. Disconnect the negative cable from the battery,
then wait for 3 minutes.
4. Disconnect the floor wire harness 2P connector (A) from the driver's side
airbag (B).
Fig. 126: Identifying Floor Wire Harness 2P Connector And Driver's Side
Airbag
Courtesy of AMERICAN HONDA MOTOR CO., INC.
NOTE:
Before doing this troubleshooting procedure, review SRS
Precautions and Procedures (see PRECAUTIONS AND
PROCEDURES) and General Troubleshooting Information
(see GENERAL TROUBLESHOOTING INFORMATION).
2008 Honda Civic EX
2006-08 RESTRAINTS SRS (Supplemental Restraint System) - Civic (Except Hybrid)
5. Connect the SRS inflator simulator (2 ohms connectors) and simulator lead L
to the floor wire harness.
6. Reconnect the negative cable to the battery.
7. Clear the DTC memory.
8. Read the DTC (see CLEAR THE DTC MEMORY WITH THE HDS).
Is DTC 31-8x indicated?
YES -Go to step 9.
NO -Short to power in the driver's side airbag inflator; replace the driver's side
airbag (see SIDE AIRBAG REPLACEMENT).
9. Turn the ignition switch OFF. Disconnect the negative cable from the battery,
then wait for 3 minutes.
10. Disconnect both seat belt tensioner 4P connectors (see step 7
DISCONNECTING SYSTEM CONNECTORS) and both seat belt buckle
tensioner 4P connectors (see step 8).
11. Disconnect SRS unit connector B (28P) from the SRS unit (see step 9
DISCONNECTING SYSTEM CONNECTORS).
12. Disconnect the SRS inflator simulator from the SRS simulator lead. Do not
disconnect the simulator lead from the floor wire harness 2P connector.
13. Reconnect the negative cable to the battery.
14. Turn the ignition switch ON (II).
15. Measure the voltage between each terminal of the black SRS simulator lead
(A) and body ground. There should be 0.5 V or less.
2008 Honda Civic EX
2006-08 RESTRAINTS SRS (Supplemental Restraint System) - Civic (Except Hybrid)
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