Honda Odyssey 2004. Manual — part 510
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*03
*04
*05
*06
S0X4A82J36100000000FAAT12
+
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Display unit buttons do not work
YES
NO
YES
NO
YES
NO
YES
NO
22-368
Navigation System
Symptom Troubleshooting (cont’d)
DISPLAY UNIT CONNECTOR B (20P)
B
(WHT/BLU)
ACC (WHT/RED)
DISPLAY UNIT CONNECTOR B (20P)
GND
(BLK)
DISPLAY UNIT CONNECTOR B (20P)
DISP BUS (
) (BLU/GRN)
SH DISP BUS
(LT BLU)
DISP BUS (
)
(ORN/BLU)
DISPLAY UNIT CONNECTOR B (20P)
DISP BUS (
)
(ORN/BLU)
DISP BUS (
) (BLU/GRN)
NOTE:
• Always check the connectors for poor connections or
loose terminals.
• Before troubleshooting, get the navigation system
anti-theft codes.
• After troubleshooting, enter the navigation system
anti-theft codes.
1. Turn the ignition switch to ACC (I).
2. Measure the voltage betwen body ground and
display unit connector B (20P) terminals No. 1 and
No. 2 individually.
Go to step 3.
Repair open in the wire between the
passenger’s under-dash fuse/relay box and the
display unit.
3. Check for continuity between display unit
connector B (20P) terminal No. 10 and body ground.
Go to step 4.
Repair the open in the wire between the
display unit and body ground (G501).
4. Turn the ignition switch OFF.
5. Disconnect the navigation unit and display unit
connectors.
6. Check for continuity between the display unit
connector B (20P) terminal No. 14 (for the harness)
shield and terminals No. 5 and No. 15 (for the DISP
BUS) individually.
Replace the affected shielded harness.
Go to step 7.
7. Check for continuity between body ground and
display unit connector B (20P) terminals No. 5 and
No. 15 individually.
There is a short to body ground in the circuit
between the display unit and the navigation unit.
Replace the affected shielded harness.
Go to step 8.
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Is ther e batter y voltage?
Is ther e continuity?
Is ther e continuity?
Is ther e continuity?
03/07/29 10:28:42 61S0X050_220_0370
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*07
*08
S0X4A82J36100000000FAAT13
+
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YES
NO
YES
NO
YES
NO
YES
NO
Satellite mark in the GPS icon is not
indicated
22-369
22-369
DISPLAY UNIT CONNECTOR B (20P)
DISP BUS (
) (BLU/GRN)
NAVIGATION UNIT
CONNECTOR B (16P)
DISPLAY UNIT CONNECTOR B (20P)
DISP BUS (
)
(ORN/BLU)
NAVIGATION UNIT
CONNECTOR B (16P)
8. Check for continuity between display unit
connector B (20P) terminal No. 5 and navigation
unit connector B (16P) terminal No. 7.
Go to step 9.
There is an open in the circuit between the
display unit and the navigation unit. Replace the
affected shielded harness.
9. Check for continuity between display unit
connector B (20P) terminal No. 15 and navigation
unit 16P connector B (16P) terminal No. 15.
Replace the display unit.
There is an open in the wire between the
display unit and the navigation unit. Check for poor
connections or loose terminals at the display and
navigation units. If a poor connection or loose
terminal is found, replace the affected shielded
harness.
NOTE: Make sure the vehicle is parked outside and
away from buildings.
1. Check for electronic after market accessories
(possibly hidden) mounted near the GPS antenna
or the navigation unit.
Disable the accessories and recheck.
Go to step 2.
2. Perform the ‘‘System Links’’ check in the System
Diagnosis Menu (see page 22-376).
Check for a kinked, crushed, or disconnected
GPS antenna wire. If necessary, try a known-good
GPS antenna. If ‘‘NG’’ is still indicated, replace the
navigation unit.
Check that nothing is blocking the GPS
antenna located under the dash board and recheck.
Substitute a known-good navigation unit, and
recheck.
Wire side of female terminals
Wire side of female terminals
Is ther e continuity?
Is ther e continuity?
Ar e ther e any electr onic accessor ies?
Is ‘‘NG’’ indicated f or ANT or GPS?
03/07/29 10:28:43 61S0X050_220_0371
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*09
S0X4A82J36100000000FAAT14
+
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Audio driving instructions cannot be heard
YES
NO
YES
NO
YES
NO
22-370
Navigation System
Symptom Troubleshooting (cont’d)
NAVIGATION UNIT CONNECTOR B (20P)
RG R
(BLU/GRN)
MUTE(WHT/BLK)
RG
L
(ORN/
BLU)
GND RG (ORN)
NOTE:
• Always check the connectors for poor connections or
loose terminals.
• Before troubleshooting, write down the customer’s
radio station presets, and get the radio and
navigation system anti-theft codes.
• After troubleshooting, enter the radio and navigation
system anti-theft codes, and the radio station presets.
1. Start the engine.
2. Perform the Car Status test under ‘‘Unit Check’’ in
the System Diagnosis Menu (see page 22-376).
Replace the navigation unit.
Go to step 5.
3. Push the display unit MENU key, and select ‘‘set-
up’’.
4. Check the audio driving instructions volume setting.
Set the volume to an audible level.
Go to step 7.
5. Turn the ignition switch OFF.
6. Disconnect the navigation unit connector B (16P)
and the audio unit 20P connectors.
7. Check for continuity between body ground and
navigation unit connector B (16P) terminals No. 1,
No. 3, No. 9, and No. 10 individually.
If terminal No. 3 has continuity to ground,
repair the short to body ground in the WHT/BLK
wire. If terminal No. 1, No. 9, or No. 10 have
continuity to ground, repair the affected shielded
harness.
Go to step 8.
Wire side of female terminals
Is ther e vehicle speed pulse signal?
Is it set to OF F ?
Is ther e continuity?
03/07/29 10:28:43 61S0X050_220_0372
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*10
*11
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YES
NO
YES
NO
22-371
NAVIGATION UNIT CONNECTOR B (16P)
RG R
(BLU/GRN)
AUDIO UNIT
20P CONNECTOR
NAVIGATION UNIT CONNECTOR B (16P)
RG L
(ORN/BLU)
AUDIO UNIT
20P CONNECTOR
8. Check for continuity between navigation unit
connector B (16P) terminal No. 1 and the audio unit
20P connector terminal No. 12.
Go to step 9.
There is an open in the circuit between the
navigation unit and the audio unit. Replace the
affected shielded harness.
9. Check for continuity between navigation unit
connector B (16P) terminal No. 9 and the audio unit
20P connector terminal No. 13.
Go to step 10.
There is an open in the circuit between the
navigation unit and the audio unit. Replace the
affected shielded harness.
(cont’d)
Wire side of female terminals
Wire side of female terminals
Is ther e continuity?
Is ther e continuity?
03/07/29 10:28:44 61S0X050_220_0373
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