PAC C2R-AUDI User manual

PAC
Brand
PAC
Model
C2R-AUDI
Category
Car kits
Type
User manual

PAC C2R-AUDI is a radio replacement interface designed for select Audi CANbus vehicles, both with and without premium sound systems. It enables the installation of an aftermarket radio while retaining important factory features like steering wheel controls, vehicle speed sensor, illumination, reverse trigger, and parking brake status. Additionally, the C2R-AUDI provides an output for an optional PAC Steering Wheel Control (SWC) retention interface, ensuring seamless integration of your new radio with your Audi's steering wheel controls.

PAC C2R-AUDI is a radio replacement interface designed for select Audi CANbus vehicles, both with and without premium sound systems. It enables the installation of an aftermarket radio while retaining important factory features like steering wheel controls, vehicle speed sensor, illumination, reverse trigger, and parking brake status. Additionally, the C2R-AUDI provides an output for an optional PAC Steering Wheel Control (SWC) retention interface, ensuring seamless integration of your new radio with your Audi's steering wheel controls.

Radio Replacement Interface with Nav Outputs
for select Audi CANbus Vehicles
With or Without Premium Audio Systems
C2R-AUDI
Pacific Accessory Corporation
Page 1
© 2018 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global.
PAC-audio.com
Rev: V3
Date: 060118
Introduction and Features
Important Notes
Wiring Connection Chart
The C2R-AUDI interface allows the replacement of a factory radio in select Audi vehicles with CANbus radios. The C2R-
AUDI also provides a secondary output for adding an optional PAC Steering Wheel Control (SWC) retention interface
(SWI-RC, SWI-CP2, SWI-X). The C2R-AUDI also provides data bus driven outputs such as retained accessory power
(RAP), vehicle speed sensor (VSS), illumination, reverse trigger and parking brake.
1. A PAC steering wheel interface must be used in conjunction for SWC retention.
2. Only one of the two provided radio harnesses will be used. Remove the factory installed radio to determine the correct harness
for your particular vehicle.
3. Vehicles without a factory amplier: Connect the aftermarket radio’s front and rear speaker wires to the 22-pin plug (dock-
n-lock connector) or 16-pin plug (ISO Connector).
4. Vehicles with a factory amplier: To determine whether the amplier needs RCA or speaker level input, check the OEM side
of the 22-pin or 16-pin connector (depending on which connector your vehicle has behind the radio) to see if the speaker wires
are populated. If so hook the front speaker outputs to the main connector and the rear RCA outputs to the 22-pin connector
(dock-n-lock connector) or 16 / 20-pin connector (ISO Connector). If there are no factory speaker wires located in the OEM
main connector then you will need to hook all 4 of the RCAs from the C2R-AUDI harness to the aftermarket radio’s RCA
outputs. The blue RCA has no function at this time (dock-n-lock connector only).
5. The Red accessory wire supplies +12v, 1 Amp max when key is in the accessory or ignition position (see g. 1: If more current
is needed).
Red / White Parking Brake Output (-)
Purple / White Vehicle Speed Output
Blue / White Amp Turn On Input
Red Accessory Output
Orange / White Illumination Output (+)
Green Reverse Output (+)
Interface Connector
Yellow Battery +12v
Black Ground
White Front Left + input
White / Black Front Left - input
Gray Front Right + input
Gray / Black Front Right - input
Green Rear Left + input
Green / Black Rear Left - input
Purple Rear Right + input
Purple / Black Rear Right - input
Vehicle Connector
Fig. 1
(using a SPDT relay)
85 86
30
87
87a
Ground
High Current 12v
(Fused)
12v Acc.
From
Interface
New High
Current Output
Diode 1N4005
or equivelant
Radio Replacement Interface with Nav Outputs
for select Audi CANbus Vehicles
With or Without Premium Audio Systems
C2R-AUDI
Pacific Accessory Corporation
Page 2
© 2018 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global.
PAC-audio.com
Rev: V3
Date: 060118
Installation Steps
1. Remove the factory radio.
2. Make all connections between the aftermarket radio’s harness and the supplied vehicle harness, as described in the wiring
connections chart on page 1.
3. Be sure to connect the Blue / White wire even if the vehicle is not equipped with an amplier.
4. Connect the C2R-CHY4 harness to the vehicle’s harness.
5. If retaining SWC, then follow the steps in the next section “SWC Output Connector”
SWC Output Connector
1. The harness has a SWC output connector. For ease of installation,
all necessary connections for an SWI have been made for you. Both
loops should remain intact.
2. When using this SWC output connector with the SWI-RC, the SWC
interface must be programmed for version 2 (refer to SWC interface
programming instructions for exact programming sequence and
button assignment order).
3. When using this SWC output connector with an SWI-CP2, you can
either program the SWC interface with a PC, or set the DIP switches
according to the PC app.
Connect to Radio
Specific SWC
Interface
PAC SWC
Interface
Illustration / Schematic
C2R-AUDI
9
1
2 3 4 5 6
7 8
10 11
91
Wiring SWC Connection
Aftermarket
Radio
Connections
Vehicle
Connection
SWC
Connection
Connect to Radio
Specific SWC
Interface
PAC SWC
Interface
Testing and Verication
1. Turn the ignition on. The LED on the interface will turn on and the +12v accessory wire will turn on.
2. Turn on the radio and check balance and fade.
3. Verify that all SWC are functioning properly.
4. Turn off vehicle and remove key. RAP will be active and will keep the radio on for 10 minutes or until the driver’s door is opened.
5. The LED and radio will turn off when RAP turns off or the driver’s door is opened.
Technical Support
Technical Support
support@PAC-audio.com
866-931-8021
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PAC C2R-AUDI User manual

PAC
Brand
PAC
Model
C2R-AUDI
Category
Car kits
Type
User manual

PAC C2R-AUDI is a radio replacement interface designed for select Audi CANbus vehicles, both with and without premium sound systems. It enables the installation of an aftermarket radio while retaining important factory features like steering wheel controls, vehicle speed sensor, illumination, reverse trigger, and parking brake status. Additionally, the C2R-AUDI provides an output for an optional PAC Steering Wheel Control (SWC) retention interface, ensuring seamless integration of your new radio with your Audi's steering wheel controls.

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