Acura CSX. Instruction — page 712

*03

09

06

YES

NO

YES

NO

24-165

ODS UNIT HARNESS 18P CONNECTOR

BLU

A

A

17. Turn the ignition switch to ON (II).

18. Measure the voltage between ODS unit harness

18P connector terminal No. 11 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
outer side).

21. Read the DTC.

Go to step 22.

Faulty front passenger’s weight sensor (rear

outer 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 DT C 26-14 indicated?

08/08/21 14:00:54 61SNR030_240_0165

*04

*05

SNR9A00K791000R854XFAAT01

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO

DTC 85-4x, 85-5x (‘‘x’’ can be 0 thru 9 or A
thru F), 85-63, 85-64:

24-166

24-166

SRS

ODS UNIT HARNESS 18P CONNECTOR

BLU

ODS UNIT HARNESS 18P CONNECTOR

LT GRN

BLU

24. Measure the resistance between ODS unit harness

18P connector terminal No. 11 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.

25. Measure the resistance between ODS unit harness

18P connector terminals No. 11 and No. 16. 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. 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.

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).

Internal Failure of the

ODS Unit

Wire side of female terminals

Wire side of female terminals

Is the r esistance as specif ied?

Is the r esistance as specif ied?

Does the SRS indicator stay on, and is DT C 85-4x,
85-5x, 85-63, or 85-64 indicated?

Does the SRS indicator go of f ?

Does the SRS indicator go of f ?

08/08/21 14:00:55 61SNR030_240_0166

SNR9A00K791000R8571FAAT00

SNR9A00K791000R8579FAAT02

DTC 85-71, 85-78:

DTC 85-79:

YES

NO

YES

NO

YES

NO

YES

NO

YES

NO

24-167

24-167

ODS Unit Not Initialize

OPDS Sensor 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. 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.

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).

3. Turn the ignition switch to LOCK (0).

4. Make sure nothing is on the front passenger’s seat.

5. Clear the DTC memory (see page 24-23).

6. 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 7.

Intermittent failure, the system is OK at this

time. Go to Troubleshooting Intermittent Failures
(see page 24-24).

Does the SRS indicator stay on, and is DT C 85-7 1
or 85-7 8 indicated?

Does the SRS indicator go of f ?

Does the SRS indicator go of f ?

Does the SRS indicator go of f ?

Does the SRS indicator go of f ?

08/08/21 14:00:55 61SNR030_240_0167

SNR9A00K791000R861XFAAT00

YES

NO

YES

NO

DTC 86-1x (‘‘x’’ can be 0 thru 9 or A thru F):

DTC 86-2x (‘‘x’’ can be 0 thru 9 or A thru F):

24-168

24-168

SRS

7. Initialize the ODS unit (see page 24-26).

8. 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 ODS unit (see page 24-209), then

clear the DTC. If the problem is still present, replace
the OPDS sensor/seat-back (see page 20-123).

Intermittent failure, the system is OK at this

time. Go to Troubleshooting Intermittent Failures
(see page 24-24).

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.

NOTE: Aftermarket devices (fluorescent lights,
laptop computers, etc.) used near the front
passenger’s seat-back can interfere with the seat-
back sensors and cause a false DTC 86-1x or 86-2x.
If one of these devices was used, clear the DTC,
operate the device near the seat-back, and recheck
for DTCs. If DTC 86-1x or 86-2x is set, clear it, and
do not use the device near the seat-back.

Faulty OPDS Seat-Back Sensor

Faulty OPDS Seat Support Sensor

Does the SRS indicator go of f ?

Does the SRS indicator stay on, and is DT C 86-1x
or 86-2x indicated?

08/08/21 14:00:55 61SNR030_240_0168

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