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Honda Odyssey 2004. Manual - part 562

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YES

23-190

SRS

DTC Troubleshooting (cont’d)

OPDS UNIT HARNESS CONNECTOR D (8P)

13. Disconnect OPDS unit harness connector D (8P)

from the OPDS unit (A).

14. Turn the ignition switch ON (II) for 30 seconds, then

turn it off.

15. Check the No. 11 (10A) fuse in the under-dash

fuse/relay box.

Short to ground in the OPDS unit; replace the

OPDS unit (see page 23-387).

Short to ground in the No. 11 (10A) circuit.

16. Turn the ignition switch OFF.

17. Check resistance between the No. 8 terminal of

OPDS unit harness connector D (8P) and body
ground. There should be 0

1.0

Go to step 18.

Open in the right side wire harness or OPDS

unit harness, or poor ground (G581). If G581 is OK,
replace the faulty harness.

18. Turn the ignition switch OFF. Disconnect the

battery negative cable, and wait for 3 minutes.

19. Disconnect both side airbag connectors (A).

Wire side of female terminals

Is the f use OK ?

Is the r esistance as specif ied?

03/07/29 10:36:31 61S0X050_230_0190

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YES

23-191

SRS UNIT CONNECTOR B (18P)

OPDS UNIT HARNESS CONNECTOR D (8P)

20. Disconnect SRS unit connector B (18P) from the

SRS unit.

21. Check resistance between the No. 3 terminal of

SRS unit connector B (18P) and body ground. There
should be an open circuit, or at least 1 M

Go to step 22.

Go to step 27.

22. Check resistance between the No. 3 terminal of

SRS unit connector B (18P) and the No. 7 terminal
of the OPDS unit harness connector D (8P). There
should be 0

1.0

Go to step 23.

Go to step 31.

23. Disconnect the driver’s under-dash fuse/relay box

connector N from the under-dash fuse/relay box.

24. Reconnect the negative battery cable.

25. Turn the ignition switch ON (II).

(cont’d)

Wire side of female terminals

Is the r esistance as specif ied?

03/07/29 10:36:32 61S0X050_230_0191

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YES

23-192

SRS

DTC Troubleshooting (cont’d)

SRS UNIT CONNECTOR B (18P)

C851

SRS MAIN HARNESS 28P CONNECTOR

26. Check for voltage between the No. 3 terminal of

SRS unit connector B (18P) and body ground. There
should be 0.5 V or less.

Faulty OPDS unit or SRS unit. Replace the

OPDS unit (see page 23-387). If the problem is still
present, replace the SRS unit (see page 23-382).

Go to step 35.

27. Disconnect the SRS main harness 28P connector

(A) from the SRS floor harness 28P connector C851.

28. Check resistance between the No. 16 terminal of

the SRS main harness 28P connector and body
ground. There should be an open circuit, or at least
1 M

Short in the SRS floor harness; replace the

SRS floor harness.

Go to step 29.

Wire side of female terminals

Is the voltage as specif ied?

Is the r esistance as specif ied?

03/07/29 10:36:32 61S0X050_230_0192

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YES

23-193

C503

DASHBOARD WIRE HARNESS 8P CONNECTOR

C851

SRS MAIN HARNESS 28P CONNECTOR

OPDS UNIT HARNESS
8P CONNECTOR D

29. Disconnect the SRS main harness 8P connector (A)

from the dashboard wire harness 8P connector
C503.

30. Check resistance between the No. 1 terminal of the

dashboard wire harness 8P connector and body
ground. There should be an open circuit, or at least
1 M

Short in the SRS main harness; replace the

SRS main harness.

Short in the dashboard wire harness, right

side wire harness, or OPDS unit harness; replace
the faulty harness.

31. Disconnect the SRS main harness 28P connector

(A) from the SRS floor harness 28P connector C851.

32. Check resistance between the No. 16 terminal of

the SRS main harness 28P connector and the No. 7
terminal of the OPDS unit harness 8P connector D.
There should be 0

1.0

Open in the SRS floor harness; replace the

SRS floor harness.

Go to step 33.

(cont’d)

Terminal side of male terminals

Wire side of female terminals

Is the r esistance as specif ied?

03/07/29 10:36:33 61S0X050_230_0193

Content .. 560 561 562 563 ..