Honda Civic. Manual — part 80

REPLACEMENT).

DTC 71-1X ("X" CAN BE 0 THRU 9 OR A THRU F): OPEN IN DRIVER'S SEAT POSITION
SENSOR

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 71-1x 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. Check the connection between the seat position sensor harness 2P connector

and the driver's seat position sensor (see COMPONENT LOCATION
INDEX).

4. Clear the DTC memory.
5. Read the DTC (see CLEAR THE DTC MEMORY WITH THE HDS).

Is DTC 71-1x indicated?

YES -Go to step 6.

NO -Intermittent failure, system is OK at this time. Go to
TROUBLESHOOTING INTERMITTENT FAILURES. If another DTC is
indicated, troubleshoot the DTC.

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)

6. Turn the ignition switch OFF. Disconnect the negative cable from the battery,

then wait for 3 minutes.

7. Disconnect the driver's seat wire harness 2P connector from the driver's seat

position sensor (A).

Fig. 214: Identifying Driver's Seat Position Sensor
Courtesy of AMERICAN HONDA MOTOR CO., INC.

8. Connect the No. 1 and No. 2 terminals of the driver's seat wire harness 2P

connector with a jumper wire.

9. Disconnect both seat belt tensioner connectors (see step 7 DISCONNECTING

SYSTEM CONNECTORS) and both seat belt buckle tensioner connectors
(see step 8 DISCONNECTING SYSTEM CONNECTORS).

10. Disconnect SRS unit connector B (28P) from the SRS unit (see step 9

DISCONNECTING SYSTEM CONNECTORS).

11. Measure the resistance between the No. 5 and No. 6 terminals of SRS unit

connector B (28P). There should be 0-1.0 ohms.

Fig. 215: Measuring Resistance Between No. 5 And No. 6 Terminals Of Srs

2008 Honda Civic EX

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

Unit Connector B (28P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the resistance as specified?

YES -Faulty driver's seat position sensor or SRS unit; replace the driver's seat
position sensor (see DRIVER'S SEAT POSITION SENSOR
REPLACEMENT). If the problem is still present, replace the SRS unit (see
SRS UNIT REPLACEMENT).

NO -Open in the floor wire harness, driver's seat wire harness (with seat
heater) or the seat position sensor harness; replace the faulty harness.

DTC 71-2X ("X" CAN BE 0 THRU 9 OR A THRU F): SHORT IN DRIVER'S SEAT POSITION
SENSOR

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 71-2x 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 driver's seat wire harness 2P connector from the driver's seat

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)

position sensor (A) (see COMPONENT LOCATION INDEX).

Fig. 216: Identifying Driver's Seat Position Sensor
Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Reconnect the negative cable to the battery.
6. Clear the DTC memory.
7. Read the DTC (see CLEAR THE DTC MEMORY WITH THE HDS).

Is DTC 71-2x indicated?

YES -Go to step 8.

NO -Faulty driver's seat position sensor; replace the driver's seat position
sensor (see DRIVER'S SEAT POSITION SENSOR REPLACEMENT).

8. Turn the ignition switch OFF. Disconnect the negative cable from the battery,

then wait for 3 minutes.

9. Disconnect both seat belt tensioner connectors (see step DISCONNECTING

SYSTEM CONNECTORS) and both seat belt buckle tensioner connectors
(see step 8 DISCONNECTING SYSTEM CONNECTORS).

10. Disconnect SRS unit connector B (28P) from the SRS unit (see step 9

DISCONNECTING SYSTEM CONNECTORS).

11. Measure the resistance between the No. 5 and No. 6 terminals of SRS unit

connector B (28P). 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)