Acura CSX. Instruction — page 692

02

YES

NO

YES

NO

24-85

SRS UNIT CONNECTOR B (28P)

6. Reconnect the negative cable to the battery.

7. Clear the DTC memory.

8. Read the DTC (see page 24-22).

Go to step 9.

Open 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. Measure the resistance between SRS unit

connector B (28P) terminals No. 9 and No. 10.
There should be 2.0

3.0

.

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).

Open in the floor wire harness; replace the

floor wire harness, then clear the DTC.

Wire side of female terminals

Is DT C 28-1x indicated?

Is the r esistance as specif ied?

08/08/21 13:57:00 61SNR030_240_0085

01

SNR9A00K791000R283XFAAT00

DTC 28-3x (‘‘x’’ can be 0 thru 9 or A thru F):

Special Tools Required

YES

NO

24-86

SRS

B

A

070AZ-SNAA200

07SAZ-TB4011A

Short to Another Wire or Decreased
Resistance 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 28-3x
indicated?

08/08/21 13:57:00 61SNR030_240_0086

02

YES

NO

YES

NO

24-87

SRS UNIT CONNECTOR B (28P)

8. Read the DTC (see page 24-22).

Go to step 9.

Short 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 SRS unit

connector B (28P) terminals No. 9 and No. 10.
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 in the floor wire harness; replace the

floor wire harness, then clear the DTC.

Wire side of female terminals

Is DT C 28-3x indicated?

Is the r esistance as specif ied?

08/08/21 13:57:00 61SNR030_240_0087

01

SNR9A00K791000R288XFAAT00

DTC 28-8x (‘‘x’’ can be 0 thru 9 or A thru F):

Special Tools Required

YES

NO

24-88

SRS

B

A

070AZ-SNAA200

07SAZ-TB4011A

Short to Power 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 28-8x
indicated?

08/08/21 13:57:00 61SNR030_240_0088

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