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Honda Odyssey 2004. Manual - part 580

−

０２

０３

０４

０５

YES

23-262

SRS

DTC Troubleshooting (cont’d)

SRS UNIT CONNECTOR A (28P)

RED

BRN/BLK

SRS UNIT CONNECTOR A (28P)

RED

BRN/
BLK

8. Disconnect the engine compartment left wire

harness 2P connector (A) from the left front impact
sensor.

9. Disconnect SRS unit connector A (28P) from the

SRS unit.

10. Check resistance between the No. 15 and No. 27

terminals of SRS unit connector A (28P). There
should be an open circuit, or at least 1 M

Go to step 11.

Go to step 17.

11. Reconnect the battery negative cable.

12. Turn the ignition switch ON (II).

13. Check for voltage between the No. 27 terminal of

SRS unit connector A (28P) and body ground, and
between the No. 15 terminal and body ground.
There should be 1 V or less.

Go to step 14.

Go to step 19.

Wire side of female terminals

Is the r esistance as specif ied?

Is the voltage as specif ied?

03/07/29 10:39:35 61S0X050_230_0262

−

０６

０７

＊０１

０９

YES

23-263

07YAZ-S3AA100

07SAZ-TB4011A

SRS UNIT CONNECTOR A (28P)

RED

BRN/BLK

C851

SRS UNIT CONNECTOR A (28P)

RED

BRN/BLK

14. Turn the ignition switch OFF.

15. Connect the special tool (jumper connector) to the

engine compartment left wire harness 2P
connector (A).

16. Check resistance between the No. 15 and No. 27

terminals of SRS unit connector A (28P). There
should be 1

or less.

Faulty left front impact sensor or SRS unit.

Replace the left front impact sensor; if the problem
is still present, replace the SRS unit (see page 23-
384).

Go to step 23.

17. Disconnect the SRS floor harness 28P connector (A)

from SRS main harness connector C851.

18. Check resistance between the No. 15 and No. 27

terminals of the SRS unit connector A (28P). There
should be an open circuit, or at least 1 M

Short in the left engine compartment wire

harness or SRS main harness; replace the faulty
harness.

Short in the SRS floor harness; replace the

SRS floor harness.

(cont’d)

Wire side of female terminals

Is the r esistance as specif ied?

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−

＊０２

＊０３

＊０４

１３

YES

23-264

SRS

DTC Troubleshooting (cont’d)

C851

SRS UNIT CONNECTOR A (28P)

RED

BRN/
BLK

C851

SRS MAIN HARNESS 28P CONNECTOR

BRN/
BLK

RED

19. Turn the ignition switch OFF.

20. Disconnect the SRS floor harness 28P connector (A)

from SRS main harness connector C851.

21. Turn the ignition switch ON (II).

22. Check for voltage between the No. 27 terminal of

SRS unit connector A (28P) and body ground, and
between the No. 28 terminal and body ground.
There should be 1 V or less.

Short to power in the engine compartment

left wire harness or SRS main harness; replace the
faulty harness.

Short to power in the SRS floor harness;

replace the SRS floor harness.

23. Disconnect the SRS floor harness 28P connector (A)

from SRS main harness connector C851.

24. Check resistance between the No. 27 and No. 28

terminals of the SRS main harness 28P connector.
There should be 1

or less.

Faulty SRS floor harness; replace the SRS

floor harness.

Faulty left engine compartment wire harness

or SRS main harness; replace the faulty harness.

Wire side of female terminals

Is the voltage as specif ied?

Is the r esistance as specif ied?

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０２

０１

Ｓ０Ｘ４ＡＺＢＫ７９１０００Ｒ４２１ＸＦＡＡＴ００

’03-04 Models

DTC 42-1x (42-10 to 42-19, 42-1A to 42-1F):

Special Tools Required

YES

23-265

No Signal from the Right Front Impact
Sensor

• SRS inflator simulator 07SAZ-TB4011A
• SRS simulator lead H 07YAZ-S3AA100

1. Erase the DTC memory (see page 23-39).

2. Turn the ignition switch 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 23-39).

3. Turn the ignition switch OFF. Check the

connections between SRS unit connector A (28P)
and the SRS unit, between the engine
compartment right wire harness 2P connector and
the right front impact sensor (see page 23-20), and
at connectors C851 and C205.

Go to step 4.

Repair the poor connections and retest. If DTC

42-1x is still present, go to step 4.

4. Turn the ignition switch OFF. Disconnect the

battery negative cable, and wait for 3 minutes.

5. Disconnect the driver’s airbag 4P connector from

the cable reel (A).

6. Disconnect the front passenger’s airbag 4P

connector from the SRS main harness (A).

7. Disconnect both seat belt tensioner 2P connectors

from the side wire harness (A).

(cont’d)

Does the SRS indicator stay on?

Ar e the connections OK ?

03/07/29 10:39:38 61S0X050_230_0265

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