ACURA CSX 2006 Service Repair Manual


(#' 
'
-)
µ
µ µ
µ
DTC 61-2x (‘‘x’’ can be 0 thru 9 or A thru F):
YES
NO YES
NO
24-141
A
Short 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).
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 s everal 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. Turn the ignition switch to LOCK (0).
5. Disconnect the floor wire harness 3P connector from the driver’s seat belt buckle switch 3P
connector (A).
6. Turn the ignition switch to ON (II). 7. From the system selection menu on the HDS, select
SRS, 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.
Replace the driver’s seat belt buckle
assembly (see page 24-6), then clear the DTC.
Short go ground in the floor wire harness;
replace the floor wire harness, then clear the
DTC.
Is DTC 61-2x indicated? Is OPEN indicated on the HDS?
08/08/21 13:59:46 61SNR030_240_0141
ProCarManuals.com
DYNOMITE -2009-



(#' 
'
-)
µ
µ
µ
µ
µ
µ
DTC 62-1x (‘‘x’’ can be 0 thru 9 or A thru F):
YES
NO
YES
NO
YES
NO
24-142SRS
DTC Troubleshooting (cont’d)
A
FLOOR WIRE HARNESS 3P CONNECTOR
BLK
Open in the Front Passenger’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).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 s everal times.
3. Read the DTC (see page 24-22).
Go to step 4.
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.
4. Disconnect the floor wire harness 3P connector from the front passenger’s seat belt buckle switch
3P connector (A). 5. From the system selection menu on the HDS, select
SRS, then select SRS again, then select
PARAMETER INFORMATION, then Buckle Switch.
Seat Position Sensor, and check the status on the
HDS screen for FRONT RIGHT SEAT BELT BUCKLE
SWITCH when the seat belt is buckled, and
unbuckled.
 If UNBUCKLE, BUCKLE, or SHORT is indicated open in the front passenger’s seat subharness, or
floor wire harness; replace the faulty 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 front passenger’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 DTC 62-1x indicated?
Is the resistance as specif ied?Does the status alternate f rom UNBUCK LE toBUCK LE?
08/08/21 13:59:46 61SNR030_240_0142
ProCarManuals.com
DYNOMITE -2009-


(#' 
'-)
µ
µ µ
µ
DTC 62-2x (‘‘x’’ can be 0 thru 9 or A thru F):
YES
NO YES
NO
24-143
A
Short in the Front Passenger’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).
1. Clear the DTC memory (see page 24-23).
2. Turn the ignition switch to ON (II), then buckle and unbuckle the front passenger’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. Turn the ignition switch to LOCK (0).
5. Disconnect the floor wire harness 3P connector from the front passenger’s seat belt buckle switch
3P connector (A).
6. Turn the ignition switch to ON (II). 7. From the system selection menu on the HDS, select
SRS, then select SRS again, then select
PARAMETER INFORMATION, then Buckle Switch.
Seat Position Sensor, and check the status on the
HDS screen for FRONT RIGHT SEAT BELT BUCKLE
SWITCH.
Replace the front passenger’s seat belt
buckle assembly (see page 24-6), then clear the
DTC.
Short to ground in the floor wire harness;
replace the floor wire harness, then clear the
DTC.
Is DT C 62-2x indicated? Is OPEN indicated on the HDS?
08/08/21 13:59:46 61SNR030_240_0143
ProCarManuals.com
DYNOMITE -2009-


(#' 
'

-)
µ
µ
µ
µ
DTC 71-1x (‘‘x’’ can be 0 thru 9 or A thru F):
YES
NO
YES
NO
24-144 SRS
DTC Troubleshooting (cont’d)
A
Open in the Driver’s Seat Position Sensor
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. Check the connection between the seat position sensor harness 2P connector and the driver’s seat
position sensor (see page 24-11).
4. Clear the DTC memory.
5. Read the DTC (see page 24-22).
Go to step 6.
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.
6. Turn the ignition switch to LOCK (0). Disconnect the negative cable from the battery, then wait at least 3
minutes. 7. Disconnect the driver’s seat position sensor
harness 2P connector from the driver’s seat
position sensor (A).
8. Connect the No. 1 and No. 2 terminals of the driver’s seat position sensor harness 2P connector with a
jumper wire.
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).
Does the SRS indicator stay on, and is DT C 71-1xindicated?
I s DT C 7 1-1x i nd i cat ed ?
08/08/21 13:59:46 61SNR030_240_0144
ProCarManuals.com
DYNOMITE -2009-


(#' 
'
-)
µ
µ µ
µ
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
ProCarManuals.com
DYNOMITE -2009-




µ
µ µ
µ
µ
µ
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
ProCarManuals.com
DYNOMITE -2009-


Î
(#' 
'

)
µ
µ
µ
µ
µ
µ µ
µ
DTC 81-61, 85-61:
DTC 81-62, 85-62:
YES
NO
YES
NO
YES
NO YES
NO
24-147
A
ODS UNIT HARNESS 18P CONNECTOR GRN
No Signal From the ODS
Unit
Non-stipulated Data From
the ODS Unit
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. Make sure nothing is on the front passenger’s seat.
2. Clear the DTC memory (see page 24-23).
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. Check the connection between the ODS unit harness 18P connector and the ODS unit.
Go to step 6.
Repair the poor connection, clear the DTC,
and retest. If DTC 85-61 or 85-62 is still present, go
to step 5.
5. Turn the ignition switch to LOCK (0).
6. Check the No. 9 (7.5 A) fuse in the under-dash fuse/ relay box.
Go to step 7.
Replace the fuse, then turn the ignition switch
to ON (II). If the fuse blows again, check for a short
in the No. 9 (7.5 A) fuse circuit (floor wire harness,
front passenger’s seat wire harness (with seat
heater), or ODS unit harness). 7. Disconnect the ODS unit harness 18P connector (A)
from the ODS unit.
8. Turn the ignition switch to ON (II).
9. Measure the voltage between ODS unit harness 18P connector terminal No. 1 and body ground.
There should be battery voltage.
Go to step 10.
Open in the floor wire harness, front
passenger’s seat wire harness (with seat heater) or
ODS unit harness; replace the faulty harness, then
clear the DTC.
(cont’d)
Wire side of female terminals
Is DT C 81-61, 85-61, 81-62, or 85-62 indicated?I s t he connect i on OK ?
IsthefuseOK? Is there battery voltage?
08/08/21 13:59:47 61SNR030_240_0147
ProCarManuals.com
DYNOMITE -2009-

Î
µ
µ µ
µ
YES
NO YES
NO
24-148SRS
DTC Troubleshooting (cont’d)
ODS UNIT HARNESS 18P CONNECTOR
YEL SRS UNIT CONNECTOR A (28P)
10. Turn the ignition switch to LOCK (0).
11. Measure the resistance between ODS unit harness
18P connector terminal No. 12 and body ground.
There should be less than 1.0 .
Go to step 12.
Open in the ODS unit harness, front
passenger’s seat wire harness (with seat heater), or
floor wire harness; replace the faulty harness, then
clear the DTC.
12. Turn the ignition switch to LOCK (0). Disconnect the negative cable from the battery, then wait at least 3
minutes.
13. Disconnect SRS unit connector A (28P) from the SRS unit (see step 9 on page 24-21). 14. Measure the resistance between SRS unit
connector A (28P) terminal No. 14 and body ground.
There should be an open circuit or at least 1 M .
Go to step 15.
Short to ground in the dashboard wire
harness, front passenger’s seat wire harness (with
seat heater), or floor wire harness; replace the
faulty harness, then clear the DTC.
Wire side of female terminals Wire side of female terminals
Is the resistance as specif ied?
Is the resistance as specif ied?
08/08/21 13:59:48 61SNR030_240_0148
ProCarManuals.com
DYNOMITE -2009-

Î
(#' 
'
-)
µ
µ
µ
µ µ
µ
µ
µ
µ
µ
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
DTC 81-4x, 81-5x (‘‘x’’ can be 0 thru 9 or A
thru F), 81-63, 81-64:
24-14924-149
SRS UNIT CONNECTOR A (28P)
ODS UNIT HARNESS 18P CONNECTOR
BLU
15. Turn the ignition switch to ON (II), and measure thevoltage between SRS unit connector A (28P)
terminal No. 14 and body ground. There should be
0.2 V or less.
Go to step 16.
Short to power in the dashboard wire harness,
floor wire harness, front passenger’s seat wire
harness (with seat heater), or ODS unit harness;
replace the faulty harness, then clear the DTC.
16. Measure the resistance between SRS unit connector A (28P) terminal No. 14 and ODS unit
harness 18P connector terminal No. 7. There
should be less than 1.0 .
Faulty ODS unit or SRS unit; replace the ODS
unit (see page 24-209), then clear the DTC. If the
problem is still present, replace the SRS unit
(see page 24-203).
Open in the dashboard wire harness, floor
wire harness, front passenger’s seat wire harness
(with seat heater), or ODS unit harness; replace the
faulty 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. 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. Initialize the ODS unit (see page 24-26).
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 at this time.
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 at this time.
Replace the SRS unit (see page 24-203).
Internal Failure of the
ODS Unit
Wire side of female terminals
Is the voltage as specif ied?
Is the resistance as specif ied? Does t he SRS i nd i cat or st ay on, and i s DT C 81-4x ,
81-5x, 81-63, or 81-64, indicated?
Does the SRS indicator go of f ?Does the SRS indicator go of f ?
08/08/21 13:59:48 61SNR030_240_0149
ProCarManuals.com
DYNOMITE -2009-

(#' 
'

)(#' 
'
)
µ
µ
µ
µ
µ
µ µ
µ
µ
µ
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
ProCarManuals.com
DYNOMITE -2009-