Acura CSX. Instruction — page 694

02

YES

NO

YES

NO

24-93

FLOOR WIRE HARNESS
2P CONNECTOR

070AZ-SNAA300

A

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

Go to step 9.

Open in the driver’s side airbag inflator;

replace the driver’s side airbag (see page 24-191),
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 seat belt buckle tensioner

connectors (see step 8 on page 24-21) and both
seat belt tensioner connectors (see step 7 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 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 the terminals of

the black SRS simulator lead (A). There should be
less than 1.0

.

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.

Is DT C 31-1x indicated?

Is the r esistance as specif ied?

08/08/21 13:58:18 61SNR030_240_0093

01

SNR9A00K791000R313XFAAT00

DTC 31-3x (‘‘x’’ can be 0 thru 9 or A thru F):

Special Tools Required

YES

NO

24-94

SRS

A

B

070AZ-SNAA300

07SAZ-TB4011A

Short to Another Wire or Decreased
Resistance in the Driver’s Side Airbag Inflator

• SRS inflator simulator 07SAZ-TB4011A
• SRS simulator lead L 070AZ-SNAA300
• SRS short canceller 070AZ-SAA0100

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,
troubleshooting 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 31-3x
indicated?

08/08/21 13:58:18 61SNR030_240_0094

02

YES

NO

YES

NO

24-95

FLOOR WIRE HARNESS
2P CONNECTOR

070AZ-SNAA300

A

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

Go to step 9.

Short to another wire in the driver’s side

airbag inflator; replace the driver’s side airbag
(see page 24-191), 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 seat belt buckle tensioner

connectors (see step 8 on page 24-21) and both
seat belt tensioner connectors (see step 7 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 SRS inflator simulator from the SRS

simulator lead. Do not disconnect the simulator
lead from the floor wire harness 2P connector.

13. Connect the SRS short cancellers (070AZ-SAA0100)

to SRS unit connector B (28P) terminals No. 17 and
No. 18 (see page 24-18).

14. Measure the resistance between the terminals of

the black SRS simulator lead (A). 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.

Is DT C 31-3x indicated?

Is the r esistance as specif ied?

08/08/21 13:58:18 61SNR030_240_0095

01

SNR9A00K791000R318XFAAT00

DTC 31-8x (‘‘x’’ can be 0 thru 9 or A thru F):

Special Tools Required

YES

NO

YES

NO

24-96

SRS

A

B

070AZ-SNAA300

07SAZ-TB4011A

Short to Power 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.

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

Go to step 9.

Short to power in the driver’s side airbag

inflator; replace the driver’s side airbag (see page
24-191), then clear the DTC.

Does the SRS indicator stay on, and is DT C 31-8x
indicated?

Is DT C 31-8x indicated?

08/08/21 13:58:18 61SNR030_240_0096

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