Pioneer AVH-X2800BS Multimedia Receiver Wiring Diagram
Complete diagram
Every cable and connector on the rear of the unit and where each one goes.
Terminals and components · 24
- Battery +
- Switched 12 V
- Ground
- Signals
- Illumination and preamp
- Speakers
- Video and camera
- Connectors
- Mute
- Antenna and devices
Where to mount it
On the sun visor or steering column, clear of the steering wheel. Connect it with the unit off (ACC OFF).
30-pin iPhone
Use the CD-IU51 cable via USB or the CD-IU201V via USB and AUX.
Cable
Use a mini-jack AV cable: with other cables the contact order may differ and disturb picture and sound.
Warning
Connect only the rear view camera to R.C IN; do not connect other equipment.
Automatic view
Shifting into REVERSE switches the screen to the camera automatically (needs the violet/white connected and the camera set up).
Warning
Never install the rear display where the driver can watch video while driving.
Caution
Do not connect it straight to the battery: vibration can wear the insulation where it enters the engine bay and cause a short.
Fuse
The unit has a 10 A fuse: replace it only with one of the same rating.
No ACC
It cannot be installed in a vehicle without an ACC position on the ignition switch.
Separate screws
The power amp ground and this unit's ground go to the body with different screws. A loose screw can cause smoke, fire or malfunction.
Always active
It outputs the signal even if the audio source is off.
Required
This lead must go to the power supply side of the switch. Do not tamper with the parking brake interlock.
Caution
Tape any unused speaker leads. With a two-speaker system, do not connect anything to the spare leads.
Speaker mode
In standard mode (STD) they are front and rear; in network mode (NW), high and mid range. It is chosen at first-time startup.
Caution
Tape any unused speaker leads. With a two-speaker system, do not connect anything to the spare leads.
Speaker mode
In standard mode (STD) they are front and rear; in network mode (NW), high and mid range. It is chosen at first-time startup.
Caution
Tape any unused speaker leads. With a two-speaker system, do not connect anything to the spare leads.
Speaker mode
In standard mode (STD) they are front and rear; in network mode (NW), high and mid range. It is chosen at first-time startup.
Caution
Tape any unused speaker leads. With a two-speaker system, do not connect anything to the spare leads.
Speaker mode
In standard mode (STD) they are front and rear; in network mode (NW), high and mid range. It is chosen at first-time startup.
Plugs
L = left, R = right; connect with RCA cables (sold separately).
Plugs
L = left, R = right; connect with RCA cables (sold separately).
Plugs
L = left, R = right; connect with RCA cables (sold separately).
Power cord
Battery, ignition, ground, illumination, mute and vehicle signals.
Terminals and components · 8
- Battery +
- Switched 12 V
- Ground
- Signals
- Illumination and preamp
- Mute
Caution
Do not connect it straight to the battery: vibration can wear the insulation where it enters the engine bay and cause a short.
Fuse
The unit has a 10 A fuse: replace it only with one of the same rating.
No ACC
It cannot be installed in a vehicle without an ACC position on the ignition switch.
Separate screws
The power amp ground and this unit's ground go to the body with different screws. A loose screw can cause smoke, fire or malfunction.
Always active
It outputs the signal even if the audio source is off.
Required
This lead must go to the power supply side of the switch. Do not tamper with the parking brake interlock.
Speaker leads
Four speakers, or a subwoofer on the rear leads, without an external amp.
Terminals and components · 4
- Speakers
Caution
Tape any unused speaker leads. With a two-speaker system, do not connect anything to the spare leads.
Speaker mode
In standard mode (STD) they are front and rear; in network mode (NW), high and mid range. It is chosen at first-time startup.
Caution
Tape any unused speaker leads. With a two-speaker system, do not connect anything to the spare leads.
Speaker mode
In standard mode (STD) they are front and rear; in network mode (NW), high and mid range. It is chosen at first-time startup.
Caution
Tape any unused speaker leads. With a two-speaker system, do not connect anything to the spare leads.
Speaker mode
In standard mode (STD) they are front and rear; in network mode (NW), high and mid range. It is chosen at first-time startup.
Caution
Tape any unused speaker leads. With a two-speaker system, do not connect anything to the spare leads.
Speaker mode
In standard mode (STD) they are front and rear; in network mode (NW), high and mid range. It is chosen at first-time startup.
Setting
Change the rear output to subwoofer in the initial settings. The subwoofer output is monaural.
2 Ω subwoofer
Connect it to the violet and violet/black leads; connect nothing to green and green/black.
External power amp
RCA outputs to the amplifiers and the lead that turns them on.
Terminals and components · 5
- Preamp
- System remote
- Amplifier
Plugs
L = left, R = right; connect with RCA cables (sold separately).
Plugs
L = left, R = right; connect with RCA cables (sold separately).
Plugs
L = left, R = right; connect with RCA cables (sold separately).
Amp turn-on
Connect it to the system remote terminal of each amplifier.
Without internal amp
The speaker leads are not used with this connection.
With internal amp
The speakers still come from the speaker leads; the external amp only drives the subwoofer.
Camera and video
Rear view camera, external video component and rear display.
Terminals and components · 2
- Video
- Reverse
- External device
Warning
Connect only the rear view camera to R.C IN; do not connect other equipment.
Automatic view
Shifting into REVERSE switches the screen to the camera automatically (needs the violet/white connected and the camera set up).
Cable
Use a mini-jack AV cable: with other cables the contact order may differ and disturb picture and sound.
Warning
Never install the rear display where the driver can watch video while driving.
About This Diagram
These diagrams are redrawn from pages 53–56 of the Pioneer AVH-X2800BS Multimedia Receiver manual, and we offer them completely free and in English. We have also categorized it in the Car Audio & Stereo (Automotive) section on Diagramverse, and it has been rated by 1 user with an average rating of 5.0. If you have any specific questions about the Pioneer AVH-X2800BS Multimedia Receiver Wiring Diagram, we suggest checking the Frequently Asked Questions (FAQs) section.
Printable Pioneer AVH-X2800BS Wiring Diagrams
Wiring Instructions
Before you start
The Pioneer AVH-X2800BS receiver is only for a 12 V negative-ground vehicle whose ignition switch has an ACC position. If your vehicle has no ACC wire or circuit, do not install it. Pioneer designs this unit for professional installation. If you are not comfortable working on vehicle electrical systems, airbag areas or dash trim, have a qualified mobile electronics installer do it. Ask your dealer before drilling holes or modifying the vehicle.
- Tools and materials: wire strippers, crimp tool and insulated butt connectors (or a vehicle-specific harness adapter), a digital multimeter, electrical tape, cable clamps, and the screws supplied with the unit.
- Wire gauge: no gauge is specified for the extension wires. Splice onto the supplied leads with wire at least as heavy as each lead. Never shorten the receiver's own leads, because that can stop the protection circuit (fuse holder, fuse resistor, filter) from working properly.
- Power isolation: disconnect the battery negative (–) cable before you start. Disconnecting the yellow lead or the battery erases some stored settings.
- Accessories: work out which optional parts you are adding, such as the rear camera, amplifiers, SiriusXM tuner, iPhone or Android cable, external video component or rear display. Then use the matching tab of the diagram: Power, Speakers (pick the variant for your speaker or subwoofer layout), Power amp (Without internal amp or With internal amp) and Camera and video.
Step-by-step wiring
- Ground first. Connect the Black: ground lead to clean, bare metal on the vehicle body. If you also fit an external amplifier or other device, give each its own ground screw. Never share one screw.
- Find the constant and switched 12 V feeds. With the battery temporarily reconnected and the meter on DC volts, find a terminal that reads about 12 V in every key position for Yellow: battery +. Then find one that reads 12 V only in ACC/ON for Red: ACC (switched 12 V). Disconnect the battery again before you splice. Do not run the yellow lead straight to the battery: engine vibration can wear through its insulation where it passes into the engine compartment and short it.
- Connect the signal leads. Orange/white: illumination goes to the lighting switch terminal. Light green: parking brake goes to the power supply side of the parking brake switch, never the ground side. Violet/white: reverse signal goes to the backup lamp lead whose voltage changes when you shift into REVERSE (R).
- Connect the control leads. Run Blue/white: system remote to the amplifier remote terminal, auto-antenna relay or antenna booster, with a total load of no more than 300 mA. Connect Yellow/black: audio mute only if you have equipment with a mute function. Otherwise tape it.
- Connect the speakers. Wire FL, FR, RL and RR with the plain color to + and the color/black stripe to –. Use speakers rated over 50 W and 4 to 8 Ω. If you put a subwoofer on the rear leads without an amp, follow the Speakers tab variant that matches it. A 2 Ω subwoofer goes on violet and violet/black only, with nothing on green.
- Connect amplifiers, if fitted. Run RCA cables from FRONT OUT, REAR OUT and SUB OUT. In the Without internal amp layout, the speaker leads are not used, so tape them all.
- Connect the camera and video. Plug only a rear view camera into Brown: rear view camera input (R.C IN). Connect external video to AUX or to V IN · R/L IN, and a rear-seat display to V OUT. Mount that display where the driver cannot see it.
- Connect the rest. Plug in the antenna (ANT), the MIC (connect it only with the unit off), the USB cable, SXM and Steering as needed.
- Insulate and route. Tape every unused lead, especially unused speaker leads. Clamp the wiring away from the steering column, shift lever, pedals, parking brake, seat tracks, doors and hot surfaces. Never tap the receiver's power lead to feed another product.
Testing and start-up
- Before final mounting, make the connections temporarily, reconnect the battery and check that everything works.
- Check the voltages: yellow should read about 12 V all the time, red only with ACC on, and blue/white about 12 V with ACC on. The unit is rated 14.4 V DC (10.8 to 15.1 V allowed) and draws up to 10.0 A, protected by a 10 A fuse.
- Turn the ignition off and press RESET with a pen tip. Start the engine, choose the language, then choose the speaker mode: Standard Mode for front/rear (plus subwoofer) or Network Mode for a 3-way system. You can only change this later by restoring default settings.
- If a subwoofer is on the rear leads, turn the source off and set "Rear Speaker Output" to "Subwoofer".
- Play a source at low volume and check each speaker with fader and balance.
- Set "Back Camera Input" to "On", then shift into REVERSE (R). The camera image should appear right away. Turn "AV Input" and "AUX Input" on if you use those inputs.
- Mount the unit level, within 0 to 30 degrees, with about 5 cm of clear space behind it.
Safety notes
- A 12 V system won't give you a dangerous shock, but a shorted constant-12 V lead can carry enough current to melt insulation and start a fire. Keep the battery disconnected while you splice.
- When you replace the fuse, use only the rating printed on the unit.
- Never bypass the parking brake lead. The interlock is a legal and safety requirement.
- Never install the unit or its wiring where an airbag deploys, or where it blocks the driver's view or controls.
Troubleshooting
| Symptom | Probable Cause | What to Check |
|---|---|---|
| The radio won't turn on at all | No ACC feed, a blown 10 A fuse, or a poor ground | With ACC on, measure the red lead to the black lead: you should see about 12 V. Check yellow the same way. Check the fuse, and redo the ground on clean bare metal. |
| It loses my presets and settings every time I turn off the car | The yellow and red leads are swapped, or yellow is on a switched circuit | With the key off, yellow should still read about 12 V and red should read 0 V. Move the leads to the correct terminals. |
| The radio stays on and drains the battery overnight | Red is connected to a constant 12 V terminal | With the key removed, measure the red lead. If it reads 12 V, move it to a terminal that is live only in ACC. |
| Video never plays and a caution message covers the screen | The parking brake lead is not connected, or it is on the ground side of the switch | Check that the light green lead is on the power supply side of the parking brake switch. Then apply the brake, release it with the brake pedal held down, and apply it again. |
| "AMP Error" appears, or there is no sound from the speakers | A shorted or bare speaker lead, a speaker below 4 Ω, or a subwoofer on the wrong leads | Check every speaker pair for shorts to each other and to the chassis. Tape unused leads. Confirm the impedance: 4 to 8 Ω, and a 2 Ω subwoofer only on violet and violet/black. |
| Thin bass and a hollow sound from one side or the whole car | One speaker is wired with reversed polarity | Check that each plain-color lead goes to + and each black-stripe lead goes to – at every speaker. |
| The subwoofer on the rear leads sounds like a normal speaker, or barely works | The rear output setting was not changed | Turn the source off and set "Rear Speaker Output" to "Subwoofer" in the Audio settings. |
| The amplifier won't turn on, or it pops loudly | Blue/white is not connected, it is overloaded, or the amp shares a ground screw | With ACC on, measure about 12 V on the blue/white lead. Keep the total load at 300 mA or less. Give the amp its own ground screw. |
| The camera image doesn't appear in reverse, or it shows up while I'm driving forward | The reverse lead is missing, Back Camera Input is off, or the polarity setting is wrong | Check that violet/white changes voltage in REVERSE (R). Set "Back Camera Input" to "On". If the image appears while driving forward, switch "Camera Polarity" between Battery and Ground. |
| The screen doesn't dim when I turn on the headlights | The illumination lead is not connected | Measure the orange/white lead: it should read voltage only when the lights are on. Connect it to the lighting switch terminal. |
| "Check Antenna" or "Check Tuner" shows on the SiriusXM source | The SiriusXM tuner or its antenna is loose, or the supply voltage is low | Reseat the SXM connector and the antenna cable. Check the battery voltage, then switch the engine off and on again. |
| A device won't charge, or I get "Check USB" | A damaged or pinched USB cable, or the device draws too much current | Inspect the USB cable along its route. The port supplies 1.0 A at most. Turn the ignition off and on, then connect a compliant device. |
