Honda Civic. Manual — part 66

SRS simulator lead L 070AZ-SNAA300

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 34-9x 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 right side curtain

airbag connector (B).

Fig. 152: Identifying Floor Wire Harness 2P Connector And Right Side

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)

Curtain Airbag Connector
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 DTC 34-9x indicated?

YES -Go to step 9.

NO -Short to ground in the right side curtain airbag inflator; replace the right
side curtain airbag (see SIDE CURTAIN 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 DISCONNECTING SYSTEM
CONNECTORS).

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. Measure the resistance between each terminal of the black SRS simulator lead

(A) and body ground. There should be an open circuit or at least 1 M ohms.

2008 Honda Civic EX

2006-08 RESTRAINTS SRS (Supplemental Restraint System) - Civic (Except Hybrid)

Fig. 153: 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 to ground in the floor wire harness; replace the floor wire harness.

DTC 41-1X ("X" CAN BE 0 THRU 9 OR A THRU F): NO SIGNAL FROM THE LEFT FRONT
IMPACT SENSOR

Special Tools Required

SRS inflator simulator 07SAZ-TB4011A

SRS simulator lead L 070AZ-SNAA300

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

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)

for about 6 seconds and then goes off.

Does the SRS Indicator stay on, and is DTC 41-1x 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.
4. Disconnect the negative cable from the battery, then wait for 3 minutes.
5. Check the connections between SRS unit connector A (28P) and the SRS unit,

between the engine compartment wire harness 2P connector and the left front
impact sensor (see COMPONENT LOCATION INDEX), and at connector
C203 CONNECTOR TO HARNESS INDEX .

Are the connections OK?

YES -Go to step 6.

NO -Repair the poor connections and retest. If DTC 41-1x is still present, go to
step 6.

6. Disconnect the engine compartment wire harness 2P connector (A) from the

left front impact sensor.

Fig. 154: Identifying Engine Compartment Wire Harness 2P Connector

2008 Honda Civic EX

2006-08 RESTRAINTS SRS (Supplemental Restraint System) - Civic (Except Hybrid)