Pioneer DEH-2400UB EU: Connections This unit Power cord

— Never wire the negative speaker cable directly

Connections

to ground.

Important

— Never band together negative cables of multi-

! When installing this unit in a vehicle without

ple speakers.

an ACC (accessory) position on the ignition

! When this unit is on, control signals are sent

switch, failure to connect the red cable to the

through the blue/white cable. Connect this

terminal that detects operation of the ignition

cable to the system remote control of an ex-

key may result in battery drain.

ternal power amp or the vehicle’s auto-anten-

na relay control terminal (max. 300 mA

O

F

F

N

12 V DC). If the vehicle is equipped with a

O

S

T

A

glass antenna, connect it to the antenna

T

R

booster power supply terminal.

! Never connect the blue/white cable to the

ACC position No ACC position

power terminal of an external power amp.

! Use of this unit in conditions other than the

Also, never connect it to the power terminal

following could result in fire or malfunction.

of the auto antenna. Doing so may result in

— Vehicles with a 12-volt battery and negative

battery drain or a malfunction.

grounding.

! The black cable is ground. Ground cables for

— Speakers with 50 W (output value) and 4 ohm

this unit and other equipment (especially,

to 8 ohm (impedance value).

high-current products such as power amps)

! To prevent a short-circuit, overheating or mal-

must be wired separately. If they are not, an

function, be sure to follow the directions

accidental detachment may result in a fire or

below.

malfunction.

— Disconnect the negative terminal of the bat-

tery before installation.

This unit

— Secure the wiring with cable clamps or adhe-

sive tape. Wrap adhesive tape around wiring

1

that comes into contact with metal parts to

protect the wiring.

— Place all cables away from moving parts,

such as the shift lever and seat rails.

— Place all cables away from hot places, such

as near the heater outlet.

— Do not connect the yellow cable to the battery

by passing it through the hole to the engine

compartment.

— Cover any disconnected cable connectors

with insulating tape.

— Do not shorten any cables.

— Never cut the insulation of the power cable of

this unit in order to share the power with

other devices. The current capacity of the

cable is limited.

— Use a fuse of the rating prescribed.

Power cord

3

4

1

2

5

6

3

4

7

5

6

8

a

9

b

e

2

1 Power cord input

2 Rear output or subwoofer output

3 Antenna input

4 Fuse (10 A)

5 Wired remote input

Hard-wired remote control adaptor can be

connected (sold separately).

Section

Installation

Installation

03

9 Blue/white

The pin position of the ISO connector will dif-

English

fer depending on the type of vehicle. Connect

9 and b when Pin 5 is an antenna control

type. In another type of vehicle, never con-

nect 9 and b.

a Blue/white

Connect to system control terminal of the

power amp (max. 300 mA 12 V DC).

b Blue/white

Connect to auto-antenna relay control termi-

nal (max. 300 mA 12 V DC).

c Yellow/black

If you use an equipment with Mute function,

wire this lead to the Audio Mute lead on that

equipment. If not, keep the Audio Mute lead

free of any connections.

d Speaker leads

c

White: Front left +

White/black: Front left *

Gray: Front right +

1 To power cord input

Gray/black: Front right *

2 Depending on the kind of vehicle, the func-

Green: Rear left + or subwoofer +

tion of 3 and 5 may be different. In this

Green/black: Rear left * or subwoofer *

case, be sure to connect 4 to 5 and 6 to

Violet: Rear right + or subwoofer +

3.

Violet/black: Rear right * or subwoofer *

3 Yellow

e ISO connector

Back-up (or accessory)

In some vehicles, the ISO connector may be

4 Yellow

divided into two. In this case, be sure to con-

Connect to the constant 12 V supply termi-

nect to both connectors.

nal.

Notes

5 Red

! Change the initial setting of this unit. Refer

Accessory (or back-up)

to REAR-SP (rear output setting) on page 9.

6 Red

Refer to PREOUT (preout setting) on page 9.

Connect to terminal controlled by ignition

The subwoofer output of this unit is monau-

switch (12 V DC).

ral.

7 Connect leads of the same color to each

! When using a subwoofer of 70 W (2 Ω), be

other.

sure to connect the subwoofer to the violet

8 Black (chassis ground)

and violet/black leads of this unit. Do not

connect anything to the green and green/

black leads.

En

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