ACURA CSX 2006 Service Repair Manual

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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
24-13124-131
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 i nd i cat ed ? Does t he SRS i nd i cat or st ay on, and i s DT C 44-2x ,
44-3x , or 44-Bx i nd i cat ed ?
08/08/21 13:59:43 61SNR030_240_0131
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DTC 45-1x (‘‘x’’ can be 0 thru 9 or A thru F):
Special Tools Required
YES
NO
YES
NO
YES
NO
24-132SRS
DTC Troubleshooting (cont’d)
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 DTC 45-11 indicated?
Is DTC 43-11 also indicated?Is DTC B2-11 also indicated?
08/08/21 13:59:43 61SNR030_240_0132
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YES
NO
YES
NO YES
NO
24-133
LEFT SIDE IMPACT SENSOR
(SECOND) 2P CONNECTOR
LEFT SIDE IMPACT SENSOR
(SECOND) 2P CONNECTOR LEFT SIDE IMPACT SENSOR
(SECOND) 2P CONNECTOR
B
070AZ-SNAA300 07SAZ-TB4011A
A
10. Measure the resistance between left side impact
sensor (second) 2P connector terminals No. 1 and
No. 2. There should be an open circuit or at least
1M .
Go to step 11.
Short in the floor wire harness; replace the
floor wire harness, then clear the DTC.
11. Measure the resistance between body ground and left side impact sensor (second) 2P connector
terminals No. 1 and No. 2, individually. There
should be an open circuit or at least 1 M .
Go to step 12.
Short to ground in the floor wire harness;
replace the floor wire harness, then clear the
DTC. 12. Reconnect the negative cable to the battery.
13. Turn the ignition switch to ON (II).
14. Measure the voltage between body ground and left
side impact sensor (second) 2P connector terminals
No. 1 and No. 2, individually. There should be less
than 0.2 V.
Go to step 15.
Short to power in the floor wire harness;
replace the floor wire harness, then clear the
DTC.
15. Turn the ignition switch to LOCK (0).
16. Connect the SRS inflator simulator (jumper connector) and the red lead (A) of simulator lead L
to the floor wire harness 4P connector (B).
(cont’d)
Terminal side of female terminals
Terminal side of female terminals Terminal side of female terminals
Is the resistance as specif ied?
Is the resistance as specif ied? Is the voltage as specif ied?
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YES
NO Special Tools Required
YES
NO
YES
NO
DTC 46-1x (‘‘x’’ can be 0 thru 9 or A thru F):
24-13424-134SRS
DTC Troubleshooting (cont’d)
LEFT SIDE IMPACT SENSOR
(SECOND) 2P CONNECTOR
17. Measure the resistance between left side impact
sensor (second) 2P connector terminals No. 1 and
No. 2. There should be less than 1.0 .
Faulty left side impact sensor (second) or
poor connection at left side impact sensor (second)
2P connector. Check the connection; If the
connection is OK, replace the left side impact
sensor (second) (see page 24-205), then clear the
DTC.
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 (second);
replace the right side impact sensor (second)
(see page 24-205), then clear the DTC.
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.
5. Turn the ignition switch to LOCK (0).
6. Disconnect the negative cable from the battery, then wait at least 3 minutes.
No Signal From the Right Side Impact Sensor
(second)
Terminal side of female terminals
Is the resistance as specif ied?
Is DTC 46-11 indicated?
Is DTC 46-12 also indicated?
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YES
NO
YES
NO
24-135
A
A RIGHTSIDEIMPACTSENSOR
(SECOND) 2P CONNECTOR
RIGHTSIDEIMPACTSENSOR
(SECOND) 2P CONNECTOR
7. Disconnect the floor wire harness 2P connector (A) from the right side impact sensor (second).
8. Disconnect the floor wire harness 4P connector (A) from the right side impact sensor (first). 9. Measure the resistance between right side impact
sensor (second) 2P connector terminals No. 1 and
No. 2. There should be an open circuit or at least
1M .
Go to step 10.
Short in the floor wire harness; replace the
floor wire harness, then clear the DTC.
10. Measure the resistance between body ground and right side impact sensor (second) 2P connector
terminals No. 1 and No. 2, individually. There
should be an open circuit or at least 1 M .
Go to step 11.
Short to ground in the floor wire harness;
replace the floor wire harness, then clear the
DTC.
(cont’d)
Terminal side of female terminals
Terminal side of female terminals
Is the resistance as specif ied? Is the resistance as specif ied?
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YES
NO YES
NO
24-136SRS
DTC Troubleshooting (cont’d)
RIGHTSIDEIMPACTSENSOR
(SECOND) 2P CONNECTOR
070AZ-SNAA300
07SAZ-TB4011A
B
A RIGHTSIDEIMPACTSENSOR
(SECOND) 2P CONNECTOR
11. Reconnect the negative cable to the battery.
12. Turn the ignition switch to ON (II).
13. Measure the voltage between body ground and
right side impact sensor (second) 2P connector
terminals No. 1 and No. 2, individually. There
should be less than 0.2 V.
Go to step 14.
Short to power in the floor wire harness;
replace the floor wire harness, then clear the
DTC.
14. Turn the ignition switch to LOCK (0).
15. Connect the SRS inflator simulator (jumper connector) and the red lead (A) of simulator lead L
to the floor wire harness 4P connector (B). 16. Measure the resistance between right side impact
sensor (second) 2P connector terminals No. 1 and
No. 2. There should be less than 1 .
Faulty right side impact sensor (second) or
poor connection at right side impact sensor
(second) 2P connector. Check the connection; if the
connection is OK, replace the right side impact
sensor (second) (see page 24-205), then clear the
DTC.
Short in the floor wire harness; replace the
floor wire harness, then clear the DTC.
Terminal side of female terminals Terminal side of female terminals
Is the voltage as specif ied?
Is the resistance as specif ied?
08/08/21 13:59:45 61SNR030_240_0136
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DTC 45-2x, 45-3x, 45-Bx (‘‘x’’ can be 0 thru 9
or A thru F): DTC 46-2x, 46-3x, 46-Bx (‘‘x’’ can be 0 thru 9
or A thru F):
YES
NO YES
NO
24-13724-137
Internal Failure of the Left Side
Impact Sensor (second) Internal Failure of the Right Side
Impact Sensor (second)
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 (second)
(see page 24-205), 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
(second) (see page 24- 205), 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 45-2x, 45 -3x , or 45 -Bx i nd i cat ed ? Does the SRS indicator stay on, and is DT C 46-2x,
46-3x , or 46-Bx i nd i cat ed ?
08/08/21 13:59:45 61SNR030_240_0137
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DTC 51-xx, 52-xx, 53-xx, 54-xx, 55-xx (‘‘x’’ can
be 0 thru 9 or A thru F): DTC Ex-11 (’’x’’ can be 0 thru 9 or A thru F):
YES
NO YES
NO
24-13824-138SRS
DTC Troubleshooting (cont’d)
Internal Failure of the
SRS Unit Control Operation Recorded
NOTE:
 Before doing this troubleshooting procedure, review SRS Precautions and Procedures (see page 24-13)
and General Troubleshooting Information (see page
24-22).
 Before troubleshooting any of these DTCs, check the battery/system voltage and battery cable connections.
If the voltage is low, repair the charging system or
replace the battery before troubleshooting the SRS. If
the battery/system voltage is now OK, ask the client if
the battery ever went dead or if the engine was
started and run with the battery in a low state of
changed. A dead battery may trigger one or more of
these DTCs.
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 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), then wait for 10 seconds.
3. Read the DTC (see page 24-22).
Faulty SRS unit; replace the SRS unit
(see page 24-203).
Intermittent failure, the 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 51-xx, 52-xx, 53-xx, 54-xx, or 55-xx indicated? Is DTC Ex-11 indicated?
08/08/21 13:59:45 61SNR030_240_0138
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DTC Fx-11 (’’x’’ can be 0 thru 9 or A thru F): DTC 61-1x (‘‘x’’ can be 0 thru 9 or A thru F):
YES
NO
24-13924-139
A
Airbags and/or Tensioners Deployment
Recorded Open in the Driver’s Seat Belt Buckle Switch
NOTE:
 Before doing this troubleshooting procedure, review SRS Precautions and Procedures (see page 24-13)
and General Troubleshooting Information (see page
24-22).
 Refer to the DTCs shown: – DTC F1-11: Driver’s airbag and/or driver’s seat belt tensioner deployed.
– DTC F2-11: Front passenger’s airbag and/or front passenger’s seat belt tensioner deployed.
– DTC F3-11: Driver’s side airbag, left side curtain airbag, and/or driver’s seat belt tensioner deployed.
– DTC F4-11: Front passenger’s side airbag, right side curtain airbag, and/or front seat belt tensioner
deployed.
When any airbags or tensioners have deployed, go to
Component Replacement/Inspection After Deployment
(see page 24-185). 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), then buckle and unbuckle the driver’s seat belt several times.
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. Disconnect the floor wire harness 3P connector from the driver’s seat belt buckle switch 3P
connector (A).
(cont’d)
Is DTC 61-1x indicated?
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YES
NO YES
NO
24-140SRS
DTC Troubleshooting (cont’d)
FLOOR WIRE HARNESS 3P CONNECTOR
BLK
5. From the system selection menu on the HDS, selectSRS then select SRS again, then select
PARAMETER INFORMATION, then Buckle Switch.
Seat Position Sensor, and check the status on the
HDS screen for FRONT LEFT SEAT BELT BUCKLE
SWITCH when the seat belt is buckled, and
unbuckled.
 If UNBUCKLE, BUCKLE, or SHORT is indicated replace the floor wire harness.
 If OPEN is indicated, go to step 6.
6. Measure the resistance between floor wire harness 3P connector terminal No. 1 and body ground.
There should be less than 1.0 .
Go to step 7.
Open in the floor wire harness or poor ground
connection at G602 (see page 22-38). If G602 is OK,
replace the floor wire harness, then clear the
DTC. 7. Alternately connect the No. 2 and No. 3 terminals of
the floor wire harness 3P connector to body ground
with a jumper wire, and check the status on the
HDS screen.
Replace the driver’s seat belt buckle
assembly (see page 24-6), then clear the DTC.
Open in the floor wire harness; replace the
floor wire harness, then clear the DTC.
Wire side of female terminals
Is the resistance as specif ied? Does the status alternate f rom UNBUCK LE to
BUCK LE?
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