Acura CSX. Manual — part 693
02
−
−
−
−
YES
NO
YES
NO
24-89
SRS UNIT CONNECTOR B (28P)
8. Read the DTC (see page 24-22).
Go to step 9.
Short to power in the front passenger’s seat
belt buckle tensioner; replace the front passenger’s
seat belt buckle (see page 24-6), then clear the
DTC.
9. Turn the ignition switch to LOCK (0). Disconnect the
negative cable from the battery, then wait at least 3
minutes.
10. Disconnect both side airbag 2P connectors (see
step 4 on page 24-20) and the driver’s seat belt
buckle tensioner 4P connector (see step 8 on page
24-21).
11. Disconnect SRS unit connector B (28P) from the
SRS unit (see step 9 on page 24-21).
12. Disconnect the simulator lead from the floor wire
harness.
13. Reconnect the negative cable to the battery.
14. Turn the ignition switch to ON (II).
15. Measure the voltage between body ground and
SRS unit connector B (28P) terminals No. 9 and
No. 10, individually. There should be less than 0.2 V.
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 page 24-203).
Short to power in the floor wire harness;
replace the floor wire harness, then clear the
DTC.
Wire side of female terminals
Is DT C 28-8x indicated?
Is the voltage as specif ied?
08/08/21 13:57:00 61SNR030_240_0089
01
SNR9A00K791000R289XFAAT00
−
−
DTC 28-9x (‘‘x’’ can be 0 thru 9 or A thru F):
Special Tools Required
YES
NO
24-90
SRS
B
A
070AZ-SNAA200
07SAZ-TB4011A
Short to Ground in the Front Passenger’s
Seat Belt Buckle Tensioner
• SRS inflator simulator 07SAZ-TB4011A
• SRS simulator lead K 070AZ-SNAA200
NOTE: Before doing this troubleshooting procedure,
review SRS Precautions and Procedures (see page
24-13), General Troubleshooting Information (see page
24-22), and Battery Terminal Disconnection and
Reconnection (see page 22-68).
1. Clear the DTC memory (see page 24-23).
2. Turn the ignition switch to ON (II), and check that
the SRS indicator comes on for about 6 seconds
and then goes off.
Go to step 3.
Intermittent failure, system is OK at this time.
Go to Troubleshooting Intermittent Failures
(see page 24-24). If another DTC is indicated,
troubleshoot the DTC.
3. Turn the ignition switch to LOCK (0). Disconnect the
negative cable from the battery, then wait at least 3
minutes.
4. Disconnect the floor wire harness 4P connector (A)
from the front passenger’s seat belt buckle
tensioner connector (B).
5. Connect the SRS inflator simulator (2
connectors) and simulator lead K to floor wire
harness connector.
6. Reconnect the negative cable to the battery.
7. Clear the DTC memory.
Does the SRS indicator stay on, and is DT C 28-9x
indicated?
08/08/21 13:57:01 61SNR030_240_0090
02
−
−
−
−
YES
NO
YES
NO
24-91
SRS UNIT CONNECTOR B (28P)
8. Read the DTC (see page 24-22).
Go to step 9.
Short to ground in the front passenger’s seat
belt buckle tensioner; replace the front passenger’s
seat belt buckle (see page 24-6), then clear the
DTC.
9. Turn the ignition switch to LOCK (0). Disconnect the
negative cable from the battery, then wait at least 3
minutes.
10. Disconnect both side airbag 2P connectors (see
step 4 on page 24-20) and the driver’s seat belt
buckle tensioner 4P connector (see step 8 on page
24-21).
11. Disconnect SRS unit connector B (28P) from the
SRS unit (see step 9 on page 24-21).
12. Disconnect the simulator lead from the floor wire
harness.
13. Measure the resistance between body ground and
SRS unit connector B (28P) terminals No. 9 and
No. 10, individually. There should be an open
circuit or at least 1 M
.
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 page 24-203).
Short to ground in the floor wire harness;
replace the floor wire harness, then clear the
DTC.
Wire side of female terminals
Is DT C 28-9x indicated?
Is the r esistance as specif ied?
08/08/21 13:58:17 61SNR030_240_0091
01
SNR9A00K791000R311XFAAT20
−
−
DTC 31-1x (‘‘x’’ can be 0 thru 9 or A thru F):
Special Tools Required
YES
NO
24-92
SRS
A
B
070AZ-SNAA300
07SAZ-TB4011A
Open in the Driver’s Side Airbag Inflator
• SRS inflator simulator 07SAZ-TB4011A
• SRS simulator lead L 070AZ-SNAA300
NOTE: Before doing this troubleshooting procedure,
review SRS Precautions and Procedures (see page
24-13), General Troubleshooting Information (see page
24-22), and Battery Terminal Disconnection and
Reconnection (see page 22-68).
1. Clear the DTC memory (see page 24-23).
2. Turn the ignition switch to ON (II), and check that
the SRS indicator comes on for about 6 seconds
and then goes off.
Go to step 3.
Intermittent failure, system is OK at this time.
Go to Troubleshooting Intermittent Failures
(see page 24-24). If another DTC is indicated,
troubleshoot the DTC.
3. Turn the ignition switch to LOCK (0). Disconnect the
negative cable from the battery, then wait at least 3
minutes.
4. Disconnect the floor wire harness 2P connector (A)
from the driver’s side airbag (B).
5. Connect the SRS inflator simulator (2
connector)
and simulator lead L to the floor wire harness.
6. Reconnect the negative cable to the battery.
7. Clear the DTC memory.
Does the SRS indicator stay on, and is DT C 31-1x
indicated?
08/08/21 13:58:17 61SNR030_240_0092
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