Honda Odyssey 2004. Manual — part 598
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01
02
S0X4AZBK791000RA21XFAAT00
’03-04 Models
DTC A2-1x (A2-10 to A2-19, A2-1A to A2-1F):
YES
NO
YES
NO
YES
NO
23-334
SRS
DTC Troubleshooting (cont’d)
A
A
Faulty power supply (VB line)
1. Check the No. 2 (10A) fuse in the driver’s under-
dash fuse/relay box.
Go to step 11.
Go to step 2.
2. Replace the No. 2 (10A) fuse in the driver’s under-
dash fuse/relay box.
3. Turn the ignition switch ON (II) and wait for 30
seconds. Then turn the ignition switch OFF.
4. Check the No. 2 (10A) fuse in the driver’s under-
dash fuse/relay box.
The system is OK at this time.
Go to step 5.
5. Replace the No. 2 (10A) fuse in the driver’s under-
dash fuse/relay box.
6. Disconnect the battery negative cable.
7. Disconnect SRS unit connector A (28P) from the
SRS unit.
8. Reconnect the battery negative cable.
9. Turn the ignition switch ON (II) and wait for 30
seconds. Then turn the ignition switch OFF.
10. Check the No. 2 (10A) fuse in the driver’s under-
dash fuse/relay box.
Short to ground in the SRS unit; replace the
SRS unit (see page 23-384).
Short to ground in the driver’s under-dash
fuse/relay box No. 2 (10A) fuse line, short to ground
in the SRS main harness or SRS floor harness;
replace the driver’s under-dash fuse/relay box, or
faulty harness.
11. Turn the ignition switch OFF. Disconnect the
battery negative cable.
12. Disconnect SRS unit connector A (28P) from the
SRS unit.
Is the f use OK ?
Is the f use OK ?
Is the f use OK ?
03/07/29 10:41:21 61S0X050_230_0334
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03
04
*01
*02
YES
NO
YES
NO
23-335
SRS UNIT CONNECTOR A (28P)
BLK/WHT
N
SRS UNIT CONNECTOR A (28P)
DRIVER’S
UNDER-DASH
FUSE/RELAY BOX
CONNECTOR N (2P)
BLK/WHT
BLK/WHT
C851
A
13. Reconnect the battery negative cable.
14. Connect a voltmeter between the No. 18 terminal of
SRS unit connector A (28P) and body ground. Turn
the ignition switch ON (II), and measure voltage.
There should be battery voltage.
Faulty SRS unit or poor contact at SRS unit
connector A (28P) and the SRS unit; check the
connection. If the connection is OK, replace the
SRS unit.
Go to step 15.
15. Turn the ignition switch OFF.
16. Disconnect driver’s under-dash fuse/relay box
connector N (2P).
17. Check resistance between the No. 2 terminal of
driver’s under-dash fuse/relay box connector N (2P)
and the No. 18 terminal of SRS unit connector A
(28P). There should be 0
1.0
.
Open in the driver’s under-dash fuse/relay
box or poor contact at driver’s under-dash fuse/
relay box connector N (2P) and the driver’s under-
dash fuse/relay box; check the connection. If the
connection is OK, replace the driver’s under-dash
fuse/relay box.
Go to step 18.
18. Disconnect SRS main harness 28P connector (A)
from the SRS floor harness connector C851.
(cont’d)
Wire side of female terminals
Wire side of female terminals
Is ther e batter y voltage?
Is the r esistance as specif ied?
03/07/29 10:41:22 61S0X050_230_0335
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*03
YES
NO
23-336
SRS
DTC Troubleshooting (cont’d)
SRS MAIN HARNESS 28P
CONNECTOR C851
DRIVER’S
UNDER-DASH
FUSE/RELAY BOX
CONNECTOR N (2P)
BLK/WHT
BLK/WHT
19. Check resistance between the No. 2 terminal of
driver’s under-dash fuse/relay box connector N (2P)
and the No. 18 terminal of SRS main harness 28P
connector C851. There should be 0
1.0
.
Open in the SRS floor harness; replace the
SRS floor harness.
Open in the SRS main harness; replace the
SRS main harness.
Wire side of female terminals
Is the r esistance as specif ied?
03/07/29 10:41:23 61S0X050_230_0336
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01
02
S0X4AZ4H46400056602FAAT00
’99-01 Models
SRS indicator doesn’t come on
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
23-337
Symptom Troubleshooting
C
GAUGE ASSEMBLY CONNECTOR C (16P)
BLU
When the ignition key is turned to the ON (II) position,
the SRS control unit performs a self-test that takes
about 6 seconds. During the self-test, there is not any
voltage from the control unit going to the SRS indicator
circuit. This turns the indicator on. If the self-test is OK,
the control unit will send about 8.5 V to the SRS
indicator circuit. This turns the indicator off.
1. Turn the ignition switch ON (II), and check to see if
the other indicators come on (brake system, etc.).
Go to step 5.
Go to step 2.
2. Check the No. 9 (7.5A) fuse in the driver’s under-
dash fuse/relay box.
Go to step 4.
Go to step 3.
3. Replace the No. 9 (7.5A) fuse, and check to see if
the SRS indicator comes on.
The system is OK.
Go to step 4.
4. Check for an open in the wire harness between fuse
No. 9 (7.5A) and the gauge assembly, and repair it.
Check that the SRS indicator comes on.
The system is OK.
Go to step 5.
5. Turn the ignition switch OFF.
6. Remove the gauge assembly.
7. Check for a blown SRS indicator bulb.
Go to step 9.
Go to step 8.
8. Replace the bulb, and reconnect the gauge
assembly connectors. Then turn the ignition switch
ON (II).
The system is OK.
Go to step 9.
9. Turn the ignition switch OFF, and disconnect the
gauge assembly connector C (16P) from the gauge
assembly.
10. Connect a voltmeter between the No. 9 terminal
(
) of the gauge assembly connector C (16P) and
body ground.
(cont’d)
Wire side of female terminals
Do the other indicator s come on?
Is the f use OK ?
Does the SRS indicator come on?
Does the SRS indicator come on?
Is the SRS indicator bulb OK ?
Does the SRS indicator come on?
03/07/29 10:41:23 61S0X050_230_0337
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