Honda Civic. Manual — part 49
Is DTC 22-1 x indicated?
YES -Go to step 9.
NO -Open in the front passenger's seat belt tensioner; replace the front
passenger's seat belt (see FRONT SEAT BELT REPLACEMENT ).
9. Turn the ignition switch OFF. Disconnect the negative cable from the battery,
then wait for 3 minutes.
10. Disconnect both seat belt buckle tensioner 4P connectors (see step 8
DISCONNECTING SYSTEM CONNECTORS) and the driver's seat belt
tensioner 4P connector (see step 7 DISCONNECTING SYSTEM
CONNECTORS).
11. Disconnect SRS unit connector B (28P) from the SRS unit (see step 9
DISCONNECTING SYSTEM CONNECTORS).
12. Measure the resistance between the No. 3 and the No. 4 terminals of SRS unit
connector B (28P). There should be 2.0-3.0 ohms.
Fig. 99: Measuring Resistance Between No. 3 And No. 4 Terminals Of SRS
Unit Connector B (28P)
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).
2008 Honda Civic EX
2006-08 RESTRAINTS SRS (Supplemental Restraint System) - Civic (Except Hybrid)
NO -Open in the floor wire harness; replace the floor wire harness.
DTC 22-3X ("X" CAN BE 0 THRU 9 OR A THRU F): SHORT TO ANOTHER WIRE OR
DECREASED RESISTANCE IN FRONT PASSENGER'S SEAT BELT TENSIONER
Special Tools Required
SRS inflator simulator 07SAZ-TB4011A
SRS simulator lead K 070AZ-SNAA200
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 22-3x 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 4P connector (A) from the front passenger's
seat belt tensioner.
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)
Fig. 100: Identifying Floor Wire Harness 4P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
5. Connect the SRS inflator simulator (2 ohms connectors) and simulator lead K
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 22-3x indicated?
YES -Go to step 9.
NO -Short in the front passenger's seat belt tensioner; replace the front
passenger's seat belt (see FRONT SEAT BELT REPLACEMENT ).
9. Turn the ignition switch OFF. Disconnect the negative cable from the battery,
then wait for 3 minutes.
10. Disconnect both seat belt buckle tensioner 4P connectors (see step 8
DISCONNECTING SYSTEM CONNECTORS) and the driver's seat belt
tensioner 4P connector (see step 7 DISCONNECTING SYSTEM
CONNECTORS).
11. Disconnect SRS unit connector B (28P) from the SRS unit (see step 9
DISCONNECTING SYSTEM CONNECTORS).
12. Disconnect the simulator lead from the floor wire harness.
2008 Honda Civic EX
2006-08 RESTRAINTS SRS (Supplemental Restraint System) - Civic (Except Hybrid)
13. Measure the resistance between the No. 3 and the No. 4 terminals of SRS unit
connector B (28P). There should be an open circuit or at least 1 M ohms.
Fig. 101: Measuring Resistance Between No. 3 And No. 4 Terminals Of
SRS Unit Connector B (28P)
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 22-8X ("X" CAN BE 0 THRU 9 OR A THRU F): SHORT TO POWER IN FRONT
PASSENGER'S SEAT BELT TENSIONER
Special Tools Required
SRS inflator simulator 07SAZ-TB4011A
SRS simulator lead K 070AZ-SNAA200
1. Clear the DTC memory (see CLEAR THE DTC MEMORY WITH THE
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)
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