Acura CSX. Manual — part 702
SNR9A00K791000R412XFAAT01
SNR9A00K791000R422XFAAT01
−
−
−
−
DTC 41-2x, 41-3x, 41-Bx (‘‘x’’ can be 0 thru 9
or A thru F):
DTC 42-2x, 42-3x, 42-Bx (‘‘x’’ can be 0 thru 9
or A thru F):
YES
NO
YES
NO
24-125
24-125
Internal Failure of the Left Front
Impact Sensor
Internal Failure of the Right Front
Impact Sensor
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 front impact sensor
(see page 24-210), 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 front impact sensor
(see page 24-210), 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 41-2x,
41-3x, or 41-Bx indicated?
Does the SRS indicator stay on, and is DT C 42-2x,
42-3x, or 42-Bx indicated?
08/08/21 13:59:40 61SNR030_240_0125
01
SNR9A00K791000R431XFAAT00
−
−
−
−
−
−
−
−
DTC 43-1x (‘‘x’’ can be 0 thru 9 or A thru F):
Special Tools Required
YES
NO
YES
NO
YES
NO
YES
NO
24-126
SRS
A
No Signal From the Left Side Impact Sensor
(first)
• 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 6.
Go to step 4.
4. Read the DTC.
Go to step 5.
Intermittent failure, system is OK at this time.
Go to Troubleshooting Intermittent Failures
(see page 24-24). If DTC 43-1x except (DTC 43-11
and 43-12) is indicated, faulty left side impact
sensor (first); replace the left side impact sensor
(first) (see page 24-204), then clear the DTC.
5. Read the DTC.
Troubleshoot DTC B2-1x (see page 24-174).
Faulty left side impact sensor (first); replace
the left side impact sensor (first) (see page 24-204),
then clear the DTC.
6. Read the DTC.
Faulty left side impact sensor (first); replace
the left side impact sensor (first) (see page 24-204),
then clear the DTC.
Go to step 7.
7. Turn the ignition switch to LOCK (0).
8. Disconnect the negative cable from the battery,
then wait at least 3 minutes.
9. 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).
10. Disconnect SRS unit connector B (28P) from the
SRS unit (see step 9 on page 24-21).
11. Disconnect the floor wire harness 4P connector (A)
from the left side impact sensor (first).
Is DT C 43-11 indicated?
Is DT C 43-12 indicated?
Is DT C B2-11 also indicated?
Is DT C 45-11 also indicated?
08/08/21 13:59:41 61SNR030_240_0126
02
03
04
−
−
−
−
−
−
YES
NO
YES
NO
YES
NO
24-127
SRS UNIT CONNECTOR B (28P)
SRS UNIT CONNECTOR B (28P)
SRS UNIT CONNECTOR B (28P)
12. Measure the resistance between SRS unit
connector B (28P) terminals No. 25 and No. 26.
There should be an open circuit or at least 1 M
.
Go to step 13.
Short in the floor wire harness; replace the
floor wire harness, then clear the DTC.
13. Measure the resistance between body ground and
SRS unit connector B (28P) terminals No. 25 and
No. 26, individually. There should be an open
circuit or at least 1 M
.
Go to step 14.
Short to ground in the floor wire harness;
replace the floor wire harness, then clear the
DTC.
14. Reconnect the negative cable to the battery.
15. Turn the ignition switch to ON (II).
16. Measure the voltage between body ground and
SRS unit connector B (28P) terminals No. 25 and
No. 26, individually. There should be less than 0.2 V.
Go to step 17.
Short to power in the floor wire harness;
replace the floor wire harness, then clear the
DTC.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is the r esistance as specif ied?
Is the r esistance as specif ied?
Is the voltage as specif ied?
08/08/21 13:59:41 61SNR030_240_0127
01
06
SNR9A00K791000R441XFAAT00
−
−
−
−
−
−
−
−
YES
NO
Special Tools Required
YES
NO
YES
NO
YES
NO
DTC 44-1x (‘‘x’’ can be 0 thru 9 or A thru F):
24-128
24-128
SRS
A
07SAZ-TB4011A
070AZ-SNAA300
Red wire
SRS UNIT CONNECTOR B (28P)
17. Turn the ignition switch to LOCK (0).
18. Connect the SRS inflator simulator (jumper
connector) and the red lead of simulator lead L to
the floor wire harness 4P connector (A).
19. Measure the resistance between SRS unit
connector B (28P) terminals No. 25 and No. 26.
There should be less than 1.0
.
Faulty left side impact sensor (first) or SRS
unit; replace the left 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.
• 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 5.
Go to step 4.
4. Read the DTC.
Faulty right side impact sensor (first); replace
the right side impact sensor (first) (see page
24-204), then clear the DTC.
Intermittent failure, system is OK at this time.
Go to Troubleshooting Intermittent Failures
(see page 24-24). If DTC 44-1x except DTC 44-11
and 44-12 is indicated, faulty right side impact
sensor (first). Replace the right side impact sensor
(first) (see page 24-204), then clear the DTC.
5. Read the DTC.
Faulty right side impact sensor (first); replace
the right side impact sensor (first) (see page
24-204), then clear the DTC.
Go to step 6.
No Signal From the Right Side Impact Sensor
(first)
Wire side of female terminals
Is the r esistance as specif ied?
Is DT C 44-11 indicated?
Is DT C 44-12 indicated?
Is DT C 45-11 also indicated?
08/08/21 13:59:41 61SNR030_240_0128
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст