Honda Odyssey 2004. Manual — part 460
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22-168
22-168
Rear Window Defogger
Function Test
Defogger Wire Repair
A
B
C
B
A
A
NOTE: Be careful not to scratch or damage the defogger
wires with the tester probe.
1. Check for voltage between the positive terminal
(Passenger’s side) (A) and body ground with the
ignition switch and defogger switch ON.
There should be battery voltage.
• If there is no voltage,
– Check for voltage at the WHT/GRN wire at the
rear window defogger relay. If there is no
voltage at the WHT/GRN wire, check for a
blown fuse No. 53 (30A) in the under-hood
fuse/relay box or an open in the wire.
– With the ignition switch ON (II), check for
voltage at the BLK/YEL wire of the rear window
defogger relay. If there is no voltage at the
BLK/YEL wire, check for a blown No. 3 (7.5A)
fuse in the driver’s under-dash fuse/relay box
or an open in the wire.
– With the ignition switch ON (II), and the rear
window defogger relay installed, jump to
ground BRN/YEL wire at the climate control
unit (heater control panel). There should be
voltage at the BLK/GRN wire. If there is no
voltage at the BLK/GRN wire, check for an open
in the BLK/GRN wire or a faulty rear window
defogger relay.
• If there is battery voltage, go to step 2.
2. Check for continuity between the negative terminal
(Driver’s side) (B) and body ground. If there is no
continuity, check for an open in the defogger
ground wire.
3. Touch the voltmeter positive probe to the halfway
point of each defogger wire, and the negative
probe to the negative terminal. There should be
approximately 6 V with the ignition switch and the
defogger switch ON.
• If the voltage is as specified, the defogger wire is
OK.
• If the voltage is not as specified, repair the
defogger wire.
– If it is more than 6 V, there is a break in the
negative half of the wire.
– If it is less than 6 V, there is a break in the
positive half of the wire.
NOTE: To make an effective repair, the broken section
must be no longer than one inch.
1. Lightly rub the area around the broken section (A)
with fine steel wool, then clean it with alcohol.
2. Carefully mask above and below the broken portion
of the defogger wire (B) with cellophane tape (C).
3. Mix the silver conductive paint thoroughly. Using a
small brush, apply a heavy coat of paint extending
about 1/8’’ on both sides of the break. Allow 25
minutes to dry.
4. Check for continuity in the repaired wire.
5. Apply a second coat of paint in the same way. Let it
dry 3 hours before removing the tape.
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22-169
22-169
Homelink Remote Control System
Circuit Diagram
Test
Turn on the front individual map lights.
• If the front individual map lights comes on, the
Homelink’s power and ground circuits are OK. If the
Homelink will not open the customer’s garage door,
check that the Homelink is programmed properly (see
the owner’s manual) or call Homelink at 800-355-
3515. On the internet, go to www. homelink. com.
• If the front individual map lights do not come on,
check for these problems:
– a blown No. 11 (10A) fuse in the passenger’s under-
dash fuse/relay box.
– a faulty in the passenger’s under-dash fuse/relay
box.
– an open in the WHT/BLU wire between the
passenger’s under-dash fuse/relay box and front
individual map lights.
– an open in the BLK wire between the front
individual map lights and G582.
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−
−
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22-170
Clock
Circuit Diagram
G501
CLOCK
BLK
RED
4
5
RED/BLK
3
1
2
•
YEL
WHT/YEL
YEL
WHT/YEL
WHT/YEL
YEL
No.9
(10A)
(7.5A)
No.13
BLK/YEL
IG1
BAT
YEL
WHT
UNDER HOOD FUSE/RELAY BOX
No.54
(40A)
No.42 (50A)
No.41 (120A)
BATTERY
IGNITION
SWITCH
DRIVER’S
UNDER DASH
FUSE/RELAY
BOX
PASSENGER’S
UNDER DASH
FUSE/RELAY
BOX
COMBINATION
LIGHT SWITCH
GAUGE
ASSEMBLY
LCD BACK
LIGHT
(0.7W)
•
DRIVE
CIRCUIT
LCD
DISPLAY
DRIVER’S
MULTIPLEX
CONTROL UNIT
PCM
GAUGE
ASSEMBLY
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Terminals
Cavity
Wire
Connect to
22-171
Replacement
B
A
C
1. Remove the instrument panel and disconnect the
connectors (see page 20-69).
2. Remove the three screws from the clock (A).
3. Separate the clock and hazard warning switch (B).
1
YEL
IG1 (main clock power
supply)
2
WHT/YEL
Constant power
3
RED/BLK
Lights-on signal
4
RED
Driver’s multiplex
control unit (ground)
5
BLK
Ground (G501)
4. If necessary, check the illumination bulb (C).
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