sensor ACURA CSX 2006 Service Repair Manual


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YES
NO YES
NO
DTC 71-2x (‘‘x’’ can be 0 thru 9 or A thru F):
24-14524-145
SRS UNIT CONNECTOR B (28P)
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. 5 and No. 6. There
should be less than 1.0 .
Faulty driver’s seat position sensor or SRS
unit; replace the driver’s seat position sensor
(see page 24-211), then clear the DTC. If the
problem is still present, replace the SRS unit
(see page 24-203).
Open in the floor wire harness, driver’s seat
wire harness (with seat heater) or the seat position
sensor harness; replace the faulty harness, then
clear the DTC. 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.
(cont’d)
Short in the Driver’s Seat Position Sensor
Wire side of female terminals
Is the resistance as specif ied? Does the SRS indicator stay on, and is DT C 71-2x
indicated?
08/08/21 13:59:47 61SNR030_240_0145
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DYNOMITE -2009-




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YES
NO
YES
NO
YES
NO
24-146SRS
DTC Troubleshooting (cont’d)
ASRS UNIT CONNECTOR B (28P)
SRS UNIT CONNECTOR B (28P)
4. Disconnect the driver’s seat position sensor
harness 2P connector from the driver’s seat
position sensor (A) (see page 24-11).
5. Reconnect the negative cable to the battery.
6. Clear the DTC memory.
7. Read the DTC (see page 24-22). Go to step 8.
Faulty driver’s seat position sensor; replace
the driver’s seat position sensor (see page 24-211),
then clear the DTC.
8. Turn the ignition switch to LOCK (0). 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. Measure the resistance between SRS unit
connector B (28P) terminals No. 5 and No. 6. There
should be an open circuit or at least 1 M .
Go to step 12.
Short in the floor wire harness, driver’s seat
wire harness (with seat heater), or the seat position
sensor harness; replace the faulty harness, then
clear the DTC.
12. Measure the resistance between body ground and SRS unit connector B (28P) terminals No. 5 and
No. 6, individually. There should be an open circuit
or at least 1 M .
Faulty driver’s seat position sensor, or the
SRS unit; replace the driver’s seat position sensor
(see page 24-211), then clear the DTC. If the
problem is still present, replace the SRS unit
(see page 24-203).
Short in the floor wire harness, driver’s seat
wire harness (with seat heater) or the seat position
sensor harness; replace the faulty harness, then
clear the DTC.
Wire side of female terminals
Wire side of female terminals
Is DTC 71-2x indicated? Is the resistance as specif ied?
Is the resistance as specif ied?
08/08/21 13:59:47 61SNR030_240_0146
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DYNOMITE -2009-

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DTC 81-71, 81-78: DTC 81-79:
YES
NO
YES
NO
YES
NO YES
NO
YES
NO
24-15024-150SRS
DTC Troubleshooting (cont’d)
ODS Unit Does Not
Calibrate Front Passenger’s Weight
Sensors Initial Check Failure
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.
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. Calibrate the ODS unit (see page 24-27).
4. Turn the ignition switch to ON (II), and check that the SRS indicator comes on for about 6 seconds
and then goes off.
The system is OK.
Go to step 5.
5. Replace the ODS unit (see page 24-209), then clear the DTC.
6. Turn the ignition switch to ON (II), and check that the SRS indicator comes on for about 6 seconds
and then goes off.
The system is OK.
Replace the SRS unit (see page 24-203). 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.
Go to step 3.
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.
3. Turn the ignition switch to LOCK (0).
4. Make sure nothing is on the front passenger’s seat.
5. Turn the ignition switch to ON (II), and check that the SRS indicator comes on for about 6 seconds
and then goes off.
Remove the front passenger’s seat assembly
(see page 20-118), then reinstall it, calibrate the
ODS unit (see page 24-27). Retry the
troubleshooting. If the problem is still present,
replace the ODS unit (see page 24-209), then clear
the DTC.
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 81-71 or 81-7 8 i nd i cat ed ?
Does the SRS indicator go of f ?Does the SRS indicator go of f ? Does the SRS indicator stay on, and is DT C 81-79
indicated?
Does the SRS indicator go of f ?
08/08/21 13:59:48 61SNR030_240_0150
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DTC 82-14:
YES
NO
YES
NO YES
NO
24-151
A
A
No Signal from the Front
Passenger’s Weight Sensor (front inner side)
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. Read the DTC (see page 24-22).
Go to step 3.
Intermittent failure, system is OK at this time.
Go to Troubleshooting Intermittent Failures
(see page 24-24).
3. From the SRS INSPECTION menu on the HDS, select SWS DTC CHECK.
 DTC 14-11: Short to power in the ODS unit harness; replace the ODS unit harness, then clear
the DTC.
 DTC 14-12: Go to step 4.
 DTC 14-13: Go to step 11.
 DTC 14-14: Go to step 19.
Intermittent failure, system is OK at this time.
Go to Troubleshooting Intermittent Failures
(see page 24-24).
4. Turn the ignition switch to LOCK (0). 5. Disconnect the ODS unit harness 3P connector (A)
from the front passenger’s weight sensor (front
inner side).
6. Read the DTC. Go to step 7.
Faulty front passenger’s weight sensor (front
inner side); replace the front passenger’s seat slide
assembly including all four front passenger’s
weight sensors (see page 24-207), then clear the
DTC.
7. Turn the ignition switch to LOCK (0).
8. Disconnect the ODS unit harness 18P connector (A) from the ODS unit.
(cont’d)
Is DTC 82-14 indicated?I s anot her DT C al so i nd i cat ed ? Is DTC 14-12 indicated?
08/08/21 14:00:48 61SNR030_240_0151
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YES
NO
24-153
AB A
ODS UNIT HARNESS 18P CONNECTOR BRN
11. Turn the ignition switch to LOCK (0).
12. Swap the connections between the frontpassenger’s weight sensor (front inner side) and
the front passenger’s weight sensor (rear inner
side).
13. Read the DTC.
Go to step 14.
Faulty front passenger’s weight sensor (front
inner side); replace the front passenger’s seat slide
assembly including all four front passenger’s
weight sensors (see page 24-207), then clear the
DTC.
14. Turn the ignition switch to LOCK (0).
15. Disconnect the front passenger’s weight sensor (front inner side) connector (A) and front
passenger’s weight sensor (rear inner side)
connector (B). 16. Disconnect the ODS unit harness 18P connector (A)
from the ODS unit.
17. Turn the ignition switch to ON (II).
18. Measure the voltage between ODS unit harness 18P connector terminal No. 8 and body ground.
There should be less than 0.2 V.
Replace the ODS unit harness. If the problem
is still present, replace the ODS unit (see page
24-209), then clear the DTC.
Short to power in the ODS unit harness;
replace the ODS unit harness, then clear the DTC.
(cont’d)
Wire side of female terminals
Is DTC 14-13 indicated?
Is the voltage as specif ied?
08/08/21 14:00:49 61SNR030_240_0153
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DYNOMITE -2009-


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YES
NO YES
NO
24-154SRS
DTC Troubleshooting (cont’d)
A
A ODS UNIT HARNESS 18P CONNECTOR
BRN
19. Turn the ignition switch to LOCK (0).
20. Disconnect the ODS unit harness 3P connector (A)from the front passenger’s weight sensor (front
inner side).
21. Read the DTC. Go to step 22.
Faulty front passenger’s weight sensor (front
inner side); replace the front passenger’s seat slide
assembly including all four front passenger’s
weight sensors (see page 24-207), then clear the
DTC.
22. Turn the ignition switch to LOCK (0).
23. Disconnect the ODS unit harness 18P connector (A) from the ODS unit. 24. Measure the resistance between ODS unit harness
18P connector terminal No. 8 and body ground.
There should be an open circuit or at least 1 M .
Go to step 25.
Short to ground in the ODS unit harness;
replace the ODS unit harness, then clear the DTC.
Wire side of female terminals
Is DTC 14-14 indicated? Is the resistance as specif ied?
08/08/21 14:00:50 61SNR030_240_0154
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DYNOMITE -2009-

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YES
NO YES
NO
DTC 82-15:
DTC 82-17:
DTC 83-25:
DTC 83-27:
24-15524-155
ODS UNIT HARNESS 18P CONNECTOR
BRN BLK
25. Measure the resistance between ODS unit harness18P connector terminals No. 8 and No. 13. There
should be an open circuit or at least 1 M .
Faulty ODS unit; replace the ODS unit
(see page 24-209), then clear the DTC.
Short in the ODS unit harness; replace the
ODS unit harness, then clear 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. Read the DTC (see page 24-22).
Faulty front passenger’s weight sensor;
replace the front passenger’s seat frame including
all four front passenger’s weight sensors (see page
24-207), then clear the DTC.
Intermittent failure, the system is OK at this
time. Go to Troubleshooting Intermittent Failures
(see page 24-24).Internal Failure of the Front
Passenger’s Weight Sensor (front inner side)
Internal Failure of the Front
Passenger’s Weight Sensor (rear inner side)
Internal Failure of the Front
Passenger’s Weight Sensor (front outer side)
Internal Failure of the Front
Passenger’s Weight Sensor (rear outer side
Wire side of female terminals
Is the resistance as specif ied?
Is DT C 82-15, 82-17 , 83-25, or 83-27 indicated?
08/08/21 14:00:50 61SNR030_240_0155
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DYNOMITE -2009-



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DTC 82-16:
YES
NO
YES
NO YES
NO
24-156SRS
DTC Troubleshooting (cont’d)
A
A
No Signal from the Front
Passenger’s Weight Sensor (rear inner side)
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. Read the DTC (see page 24-22).
Go to step 3.
Intermittent failure, system is OK at this time.
Go to Troubleshooting Intermittent Failures
(see page 24-24).
3. From INSPECTION the SRS menu on the HDS, select SWS DTC CHECK.
 DTC 16-11: Short to power in the ODS unit harness; replace the ODS unit harness, then clear
the DTC.
 DTC 16-12: Go to step 4.
 DTC 16-13: Go to step 11.
 DTC 16-14: Go to step 19.
Intermittent failure, system is OK at this time.
Go to Troubleshooting Intermittent Failures
(see page 24-24).
4. Turn the ignition switch to LOCK (0). 5. Disconnect the ODS unit harness 3P connector (A)
from the front passenger’s weight sensor (rear
inner side).
6. Read the DTC. Go to step 7.
Faulty front passenger’s weight sensor (rear
inner side); replace the front passenger’s seat slide
assembly including all four front passenger’s
weight sensors (see page 24-207), then clear the
DTC.
7. Turn the ignition switch to LOCK (0).
8. Disconnect the ODS unit harness 18P connector (A) from the ODS unit.
Is DTC 82-16 indicated?
I s anot her DT C al so i nd i cat ed ? Is DTC 16-12 indicated?
08/08/21 14:00:50 61SNR030_240_0156
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YES
NO
YES
NO YES
NO
24-157
ODS UNIT HARNESS 18P CONNECTOR
RED
ODS UNIT HARNESS 18P CONNECTOR RED
WHT A
B
9. Measure the resistance between ODS unit harness
18P connector terminal No. 4 and body ground.
There should be an open circuit or at least 1 M .
Go to step 10.
Short to ground in the ODS unit harness;
replace the ODS unit harness, then clear the DTC.
10. Measure the resistance between ODS unit harness 18P connector terminals No. 4 and No. 14. There
should be an open circuit or at least 1 M .
Faulty ODS unit; replace the ODS unit
(see page 24-209), then clear the DTC.
Short in the ODS unit harness; replace the
ODS unit harness, then clear the DTC. 11. Turn the ignition switch to LOCK (0).
12. Swap the connections between the front
passenger’s weight sensor (rear inner side) and the
front passenger’s weight sensor (front inner side).
13. Read the DTC.
Go to step 14.
Faulty front passenger’s weight sensor (rear
inner side); replace the front passenger’s seat slide
assembly including all four front passenger’s
weight sensors (see page 24-207), then clear the
DTC.
14. Turn the ignition switch to LOCK (0).
15. Disconnect the front passenger’s weight sensor (front inner side) connector (A) and front
passenger’s weight sensor (rear inner side)
connector (B).
(cont’d)
Wire side of female terminals
Wire side of female terminals
Is the resistance as specif ied?Is the resistance as specif ied? Is DTC 16-13 indicated?
08/08/21 14:00:51 61SNR030_240_0157
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DYNOMITE -2009-


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YES
NO YES
NO
24-158SRS
DTC Troubleshooting (cont’d)
A
ODS UNIT HARNESS 18P CONNECTOR GRN A
A
16. Disconnect the ODS unit harness 18P connector (A) from the ODS unit.
17. Turn the ignition switch to ON (II).
18. Measure the voltage between ODS unit harness 18P connector terminal No. 9 and body ground.
There should be less than 0.2 V.
Replace the ODS unit harness. If the problem
is still present, replace the ODS unit (see page
24-209), then clear the DTC.
Short to power in the ODS unit harness;
replace the ODS unit harness, then clear the DTC. 19. Turn the ignition switch to LOCK (0).
20. Disconnect the ODS unit harness 3P connector (A)
from the front passenger’s weight sensor (rear
inner side).
21. Read the DTC. Go to step 22.
Faulty front passenger’s weight sensor (rear
inner side); replace the front passenger’s seat slide
assembly including all four front passenger’s
weight sensors (see page 24-207), then clear the
DTC.
22. Turn the ignition switch to LOCK (0).
23. Disconnect the ODS unit harness 18P connector (A) from the ODS unit.
Wire side of female terminals
Is the voltage as specif ied? Is DTC 16-14 indicated?
08/08/21 14:00:51 61SNR030_240_0158
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DYNOMITE -2009-