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Acura CSX. Manual - part 703

０１

０２

０３

−

YES

24-129

SRS UNIT CONNECTOR B (28P)

6. Turn the ignition switch to LOCK (0).

7. Disconnect the negative cable from the battery,

then wait at least 3 minutes.

8. 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).

9. Disconnect the floor wire harness 4P connector (A)

from the right side impact sensor (first).

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

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

11. Measure the resistance between SRS unit

connector B (28P) terminals No. 27 and No. 28.
There should be an open circuit or at least 1 M

Go to step 12.

Short in the floor wire harness; replace the

floor wire harness, then clear the DTC.

12. Measure the resistance between body ground and

SRS unit connector B (28P) terminals No. 27 and
No. 28, individually. There should be an open
circuit or at least 1 M

Go to step 13.

Short to ground in the floor wire harness;

replace the floor wire harness, then clear the
DTC.

Wire side of female terminals

Is the r esistance as specif ied?

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０４

０１

０６

−

YES

24-130

SRS

SRS UNIT CONNECTOR B (28P)

07SAZ-TB4011A

070AZ-SNAA300

Red wire

SRS UNIT CONNECTOR B (28P)

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. 27 and
No. 28, individually. There should be less than 0.2 V.

Go to step 16.

Short to power in the floor wire harness;

replace the floor wire harness, then clear the
DTC.

16. Turn the ignition switch to LOCK (0).

17. Connect the SRS inflator simulator (jumper

connector) and the red lead of simulator lead L to
the floor wire harness 4P connector (A).

18. Measure the resistance between SRS unit

connector B (28P) terminals No. 27 and No. 28.
There should be less than 1.0

Faulty right side impact sensor (first) or SRS

unit; replace the right side impact sensor (first)
(see page 24-204), then clear the DTC. If the
problem is still present, 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 the voltage as specif ied?

Is the r esistance as specif ied?

08/08/21 13:59:42 61SNR030_240_0130

ＳＮＲ９Ａ００Ｋ７９１０００Ｒ４３２ＸＦＡＡＴ０１

ＳＮＲ９Ａ００Ｋ７９１０００Ｒ４４２ＸＦＡＡＴ０２

−

DTC 43-2x, 43-3x, 43-Bx (‘‘x’’ can be 0 thru 9
or A thru F):

DTC 44-2x, 44-3x, 44-Bx (‘‘x’’ can be 0 thru 9
or A thru F):

YES

24-131

Internal Failure of the Left Side

Impact Sensor (first)

Internal Failure of the Right Side

Impact Sensor (first)

NOTE: Before doing this troubleshooting procedure,
review SRS Precautions and Procedures (see page
24-13) and General Troubleshooting Information
(see page 24-22).

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.

Replace the left side impact sensor (first)

(see page 24-204), then clear the DTC. If the DTC
returns, replace the SRS unit (see page 24-203).

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.

NOTE: Before doing this troubleshooting procedure,
review SRS Precautions and Procedures (see page
24-13) and General Troubleshooting Information
(see page 24-22).

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.

Replace the right side impact sensor (first)

(see page 24-204), then clear the DTC. If the DTC
returns, replace the SRS unit (see page 24-203).

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.

Does the SRS indicator stay on, and is DT C 43-2x,
43-3x, or 43-Bx indicated?

Does the SRS indicator stay on, and is DT C 44-2x,
44-3x, or 44-Bx indicated?

08/08/21 13:59:43 61SNR030_240_0131

０１

０２

ＳＮＲ９Ａ００Ｋ７９１０００Ｒ４５１ＸＦＡＡＴ００

−

DTC 45-1x (‘‘x’’ can be 0 thru 9 or A thru F):

Special Tools Required

YES

24-132

SRS

No Signal From the Left Side Impact Sensor
(second)

• 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 wait for

10 seconds.

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

Go to step 4.

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.

4. Read the DTC.

Faulty left side impact sensor (second);

replace the left side impact sensor (second)
(see page 24-205), then clear the DTC.

Go to step 5.

5. Read the DTC.

Faulty rear safing sensor; Replace the rear

safing sensor (see page 24-206), then clear the
DTC.

Go to step 6.

6. Turn the ignition switch to LOCK (0).

7. Disconnect the negative cable from the battery,

then wait at least 3 minutes.

8. Disconnect floor wire harness 2P connector (A)

from the left side impact sensor (second).

9. Disconnect the floor wire harness 4P connector (A)

from the rear safing sensor.

Is DT C 45-11 indicated?

Is DT C 43-11 also indicated?

Is DT C B2-11 also indicated?

08/08/21 13:59:43 61SNR030_240_0132

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