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Acura CSX. Manual - part 686

０１

ＳＮＲ９Ａ００Ｋ７９１０００Ｒ１２９ＸＦＡＡＴ００

−

DTC 12-9x (‘‘x’’ can be 0 thru 9 or A thru F):

DTC 12-Bx (‘‘x’’ can be 0 thru 9 or A thru F):

Special Tools Required

YES

24-61

070AZ-SNAA100

07SAZ-TB4011A

Short to Ground in the Front Passenger’s
Airbag First Inflator

Short to Ground in the Front Passenger’s
Airbag Second Inflator

• SRS inflator simulator 07SAZ-TB4011A
• SRS simulator lead J 070AZ-SNAA100

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. Remove the lower glove box (see page 20-104),

then disconnect the front passenger’s airbag 4P
connector (A) from the dashboard wire harness.

5. Connect the SRS inflator simulator (2

connectors) and simulator lead J to the dashboard
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 ground in the front passenger’s

airbag first or second inflator; replace the front
passenger’s airbag (see page 24-189), 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 SRS unit connector A (28P) from the

SRS unit (see step 9 on page 24-21).

11. Disconnect the SRS inflator simulator from the SRS

simulator lead. Do not disconnect the simulator
lead from the dashboard wire harness 4P connector.

Does the SRS indicator stay on, and is DT C 12-9x
or 12-Bx indicated?

Is DT C 12-9x or 12-Bx indicated?

08/08/21 13:56:54 61SNR030_240_0061

０２

０１

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−

YES

Special Tools Required

YES

DTC 21-1x (‘‘x’’ can be 0 thru 9 or A thru F):

24-62

SRS

DASHBOARD WIRE HARNESS
4P CONNECTOR

070AZ-SNAA100

070AZ-SNAA200

07SAZ-TB4011A

12. Measure the resistance between each terminal of

the SRS simulator lead and body ground. There
should be an open circuit or at least 1 M

Faulty SRS unit or poor connection at SRS

unit connector A (28P) and the SRS unit. Check the
connection between the connector and the SRS
unit. If the connection is OK, replace the SRS unit
(see page 24-203).

Short to ground in the dashboard wire

harness; replace the dashboard wire harness, then
clear the DTC.

• SRS inflator simulator 07SAZ-TB4011A
• SRS simulator lead K 070AZ-SNAA200

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. Remove the B-pillar lower trim (see page 20-72),

then disconnect the floor wire harness 4P
connector (A) from the driver’s seat belt tensioner.

5. Connect the SRS inflator simulator (2

connectors) and simulator lead K to the floor wire
harness.

Open in the Driver’s Seat Belt Tensioner

Is the r esistance as specif ied?

Does the SRS indicator stay on, and is DT C 21-1x
indicated?

08/08/21 13:56:54 61SNR030_240_0062

−

０２

ＳＮＲ９Ａ００Ｋ７９１０００Ｒ２１３ＸＦＡＡＴ００

−

YES

Special Tools Required

YES

DTC 21-3x (‘‘x’’ can be 0 thru 9 or A thru F):

24-63

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 driver’s seat belt tensioner;

replace the driver’s seat belt (see page 24-4), 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 front
passenger’s seat belt tensioner connector (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. Measure the resistance between SRS unit

connector B (28P) terminals No. 1 and No. 2. 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.

• SRS inflator simulator 07SAZ-TB4011A
• SRS simulator lead K 070AZ-SNAA200

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.

Short to Another Wire or Decreased
Resistance in the Driver’s Seat Belt Tensioner

Wire side of female terminals

Is DT C 21-1x indicated?

Is the r esistance as specif ied?

Does the SRS indicator stay on, and is DT C 21-3x
indicated?

08/08/21 13:56:54 61SNR030_240_0063

０１

０２

−

YES

24-64

SRS

070AZ-SNAA200

07SAZ-TB4011A

SRS UNIT CONNECTOR B (28P)

3. Turn the ignition switch to LOCK (0). Disconnect the

negative cable from the battery, then wait at least 3
minutes.

4. Remove the B-pillar lower trim (see page 20-72),

then disconnect the floor wire harness 4P
connector (A) from the driver’s seat belt tensioner.

5. Connect the SRS inflator simulator (2

connectors) and simulator lead K 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 in the driver’s seat belt tensioner;

replace the driver’s seat belt (see page 24-4), 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 front
passenger’s seat belt tensioner connector (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 simulator lead from the floor wire

harness.

13. Measure the resistance between SRS unit

connector B (28P) terminals No. 1 and No. 2. 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 21-3x indicated?

Is the r esistance as specif ied?

08/08/21 13:56:55 61SNR030_240_0064

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