Honda Odyssey 2004. Manual — part 409
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*01
*02
*03
S0X4A10G10500016701FAAT00
YES
NO
YES
NO
YES
NO
YES
NO
21-112
Climate Control
Climate Control Power and Ground Circuit Troubleshooting
CLIMATE CONTROL UNIT CONNECTOR A (8P)
BLK/YEL
CLIMATE CONTROL UNIT CONNECTOR A (8P)
WHT/YEL
BLK
CLIMATE CONTROL UNIT CONNECTOR A (8P)
1. Check the No. 3 (7.5A) fuse in the driver’s under-
dash fuse/relay box, and the No. 13 (7.5A) fuse in
the passenger’s under-dash fuse/relay box.
• Without Navigation System: Go to step 2.
• With Navigation System: Go to step 8.
Replace the fuse(s), and recheck.
2. Disconnect climate control unit connector A (8P).
3. Turn the ignition switch ON (II).
4. Measure the voltage between the No. 1 terminal of
climate control unit connector A (8P) and body
ground.
Go to step 5.
Repair open in the wire between the No. 3
fuse in the driver’s under-dash fuse/relay box and
the climate control unit.
5. Turn the ignition switch OFF.
6. Measure the voltage between the No. 2 terminal of
climate control unit connector A (8P) and body
ground.
Go to step 7.
Repair open in the wire between the No. 13
fuse in the passenger’s under-dash fuse/relay box
and the climate control unit.
7. Check for continuity between the No. 8 terminal of
climate control unit connector A (8P) and body
ground.
Check for loose wires or poor connections at
climate control unit connector A (8P). If the
connections are good, substitute a known-good
climate control unit, and recheck. If the symptom/
indication goes away, replace the original climate
control unit.
Check for an open in the wire between the
climate control unit and body ground. If the wire is
OK, check for poor ground at G401.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Ar e the f uses OK ?
Is ther e batter y voltage?
Is ther e batter y voltage?
Is ther e continuity?
03/07/29 10:13:33 61S0X050_210_0113
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*04
*05
YES
NO
YES
NO
21-113
CLIMATE CONTROL UNIT CONNECTOR B (26P)
BLK/YEL
CLIMATE CONTROL UNIT CONNECTOR B (26P)
BLK
8. Disconnect climate control unit connector B (26P).
9. Turn the ignition switch ON (II).
10. Measure the voltage between the No. 13 terminal
of climate control unit connector B (26P) and body
ground.
Go to step 11.
Repair open in the wire between the No. 3
fuse in the driver’s under-dash fuse/relay box and
the climate control unit.
11. Turn the ignition switch OFF.
12. Check for continuity between the No. 15 terminal of
climate control unit connector B (26P) and body
ground.
Check for loose wires or poor connections at
climate control unit connector B (26P). If the
connections are good, substitute a known-good
climate control unit, and recheck. If the symptom/
indication goes away, replace the original climate
control unit.
Check for an open in the wire between the
climate control unit and body ground. If the wire is
OK, check for poor ground at G401.
Wire side of female terminals
Wire side of female terminals
Is ther e batter y voltage?
Is ther e continuity?
03/07/29 10:13:33 61S0X050_210_0114
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*01
*02
*03
S0X4A80G10500016691FAAT10
With Navigation System
YES
NO
YES
NO
YES
NO
21-114
Climate Control
Climate Control Panel Troubleshooting
CLIMATE CONTROL PANEL 16P CONNECTOR
BLK/YEL
YEL/GRN
YEL/WHT
YEL/WHT
YEL/GRN
YEL/BLK
YEL/BLK
CLIMATE CONTROL PANEL 16P CONNECTOR
CLIMATE CONTROL UNIT CONNECTOR A (16P)
CLIMATE CONTROL PANEL 16P CONNECTOR
CLIMATE CONTROL UNIT CONNECTOR B (26P)
BLK/WHT
GRN/WHT
BLK/WHT
GRN/WHT
1. Check the No. 3 (7.5A) fuse in the driver’s under-
dash fuse/relay box.
Go to step 2.
Replace the fuse and recheck.
2. Disconnect the climate control panel 16P connector.
3. Turn the ignition switch ON (II).
4. Measure the voltage between the No. 6 terminal of
the climate control panel 16P connector and body
ground.
Go to step 5.
Repair open in the wire between the No. 3
fuse in the driver’s under-dash fuse/relay box and
the climate control panel.
5. Turn the ignition switch OFF.
6. Disconnect climate control unit connectors A (16P)
and B (26P).
7. Check for continuity between the following
terminals of climate control panel 16P connector,
and climate control unit connectors A (16P) and B
(26P).
PANEL 16P
UNIT 16P
No. 4
No. 11
No. 5
No. 13
No. 13
No. 12
PANEL 16P
UNIT 26P
No. 7
No. 2
No. 11
No. 16
Go to step 8
Repair any open in the wire(s) between the
climate control panel and climate control unit.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is the f use OK ?
Is ther e batter y voltage?
Is ther e continuity?
03/07/29 10:13:34 61S0X050_210_0115
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*04
YES
NO
YES
NO
21-115
CLIMATE CONTROL PANEL 16P CONNECTOR
YEL/GRN
YEL/BLK
GRN/
WHT
BLK/
WHT
YEL/WHT
8. Check for continuity between the No. 4, 5, 7, 11 and
13 terminals of the climate control panel 16P
connector and body ground individually.
Repair any short to body ground in the
wire(s) between the climate control panel and the
climate control unit.
Check for loose wires or poor connections at
the climate control panel 16P connector. If the
connections are good, substitute a known-good
climate control panel and go to step 9.
9. Reconnect the climate control panel 16P connector.
10. Reconnect climate control unit connectors A (16P)
and B (26P).
11. Turn the ignition switch ON (II), and check the
climate control panel display.
Repair is complete.
Check for loose wires or poor connections at
climate control unit connectors A (16P) and B (26P).
If the connections are good, substitute a known-
good climate control unit, and recheck. If the
symptom/indication goes away, replace the
original climate control unit.
Wire side of female terminals
Is ther e continuity?
Does the climate contr ol panel display wor k?
03/07/29 10:13:34 61S0X050_210_0116
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