Honda Odyssey 2004. Manual - part 448

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−

−

−

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22-120

Exterior Lights

Circuit Diagram - Back-up Light

No.9
(10A)

GRN/BLK

G552

BLK

GRN/BLK

BLK

BLK

GRN/BLK

G101

BLK

(Closed : In position

GRN/BLK

WHT

BLK/YEL

IG1

BAT

IGNITION SWITCH

WHT

UNDER HOOD FUSE/RELAY BOX

No.42 (50A)

No.41 (120A)

BATTERY

DRIVER’S
UNDER DASH
FUSE/RELAY
BOX

REVERSE
RELAY

LEFT
BACK UP
LIGHT
(21W)

RIGHT
BACK UP
LIGHT
(21W)

TRAILER
LIGHTING
CONNECTOR

TRANSMISSION
RANGE
SWITCH
(Back up light switch)

R )

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22-121

Circuit Diagram - Brake Light

•

G552

G552

G552

G582

BLK

BLK

BLK

GRN

GRN

WHT/BLK

•

•

•

WHT/BLK

BLK

GRN

WHT/GRN

BRAKE LIGHTS FAILURE SENSOR

4

3

2

5

6

WHT/BLK

WHT/BLK

WHT/BLK

YEL

(10A)

No.9

YEL

WHT/YEL

IG1

BAT

IGNITION SWITCH

WHT

UNDER HOOD FUSE/RELAY BOX

No.47 (20A)

No.42 (50A)

No.41 (120A)

BATTERY

BRAKE
PEDAL
POSITION
SWITCH
(Closed : Pedal pressed)

DRIVER’S
UNDER DASH
FUSE/RELAY BOX

SAFETY
INDICATOR

DRIVER’S
MULTIPLEX
CONTROL UNIT

•

HIGH
MOUNT
BRAKE
LIGHT
(18W)

LEFT
BRAKE
LIGHT
(21W)

RIGHT
BRAKE
LIGHT
(21W)

ABS/TCS CONTROL UNIT

PCM

CRUISE CONTROL UNIT

ABS CONTROL UNIT

TRAILER LIGHTING
CONNECTOR

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−

−

−

22-122

Exterior Lights

8

HEADLIGHTS

WHT/RED

9

10

WHT/RED

COMBINATION LIGHT SWITCH

A14

G401

BLK

A2

A17

A6

RED/BLK

RED/BLK

RED/GRN

RED/BLK

RED/GRN

B16

RED/YEL

A22

WHT/YEL

No.13 (7.5A)

No.10 (15A)

RED/YEL

A10

B13

RED/YEL

BLU/RED

RED/WHT

ORN/WHT

6

4

3

7

11

BLK

G401

PASSING

LOW

HIGH

(

(

G401

BLK

2

3

A15

BLK/RED

A16

A12

A24

(10A)

No.9

BLK/YEL

IG1

BAT

IGNITION SWITCH

WHT

YEL

No.42 (50A)

DRIVER’S MULTIPLEX CONTROL UNIT

A13

BRN

GRN/ORN

BLU/WHT

3

1

BLK

G401

UNDER HOOD FUSE/RELAY BOX

No.54 (40A)

No.41 (120A)

BATTERY

PASSENGER’S
UNDER DASH
FUSE/RELAY BOX

DRIVER’S
UNDER DASH
FUSE/RELAY
BOX

(Fuse/relay
box socket)

DOOR
MULTIPLEX
CONTROL UNIT

DRIVER’S
DOOR LOCK
KNOB
SWITCH

UN
LOCK

IGNITION
KEY
SWITCH

DRIVER’S
DOOR
SWITCH

HEADLIGHT
RELAYS

TAILLIGHT
RELAY

EXTERIOR
LIGHTS

)

)

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Circuit Diagram - Automatic Light-off Feature

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22-123

Combination Light Switch Test/Replacement

B

A

Terminal

Position

Headlight switch

Passing switch

OFF

LOW

HIGH

ON

OFF

4

8

9

(*2)

10

11

3

(*1)

12

13

14

LEFT

NEUTRAL

RIGHT

Terminal

Position

Light switch:

Turn signal switch:

6

7

1. Remove the driver’s dashboard lower cover (see page 20-69).

2. Remove the steering column covers (see page 17-25).

3. Disconnect the 14P connector (A) from the combination light switch (B).

4. Remove the two screws, then pull out the combination light switch.

5. Inspect the connector terminals to be sure they are all making good contact.

• If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system.
• If the terminals look OK, check for continuity between the terminals in each switch position according to the

tables.

6. If the continuity check is not as specified in the table, replace the switch.

*1: With auto-off headlight function
*2: Canada

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