Acura CSX. Manual — part 703
01
02
03
−
−
−
−
YES
NO
YES
NO
24-129
A
SRS UNIT CONNECTOR B (28P)
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
Wire side of female terminals
Is the r esistance as specif ied?
Is the r esistance as specif ied?
08/08/21 13:59:42 61SNR030_240_0129
04
01
06
−
−
−
−
YES
NO
YES
NO
24-130
SRS
SRS UNIT CONNECTOR B (28P)
A
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
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
NO
YES
NO
24-131
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
NO
YES
NO
YES
NO
24-132
SRS
A
A
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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