Instruction Manual

Complete Radio Replacement with
Integrated Climate Control Retention for Select
2014–2020 Jeep Grand Cherokee
RPK4-CH4103
© 2020 AAMP Global. All rights reserved. PAC is a Power Brand of AAMP Global.
PAC-audio.com
Pacific Accessory Corporation
Page 21
Rev: v.1
Date:041020
Setup and Testing (cont.)
Troubleshooting
1. On initial install, Climate Control fan speed is low and unresponsive - The vehicle needs to be sleep cycled. Turn the
vehicle o󰀨, close all doors, lock the vehicle with the keyfob and let it sit for 10 minutes. After 10 minutes, start the truck and
check the Climate Control functionality again.
2. If a vehicle function is not present: Reset the RP4.2-CH4103 Interface Module (see page 22). If a vehicle function is
not present after a reset: With the vehicle running, disconnect and reconnect the LCD Display Harness from the back of
the radio dash bezel.
3. Steering wheel controls inoperable - Verify that the DIP switches are set properly according to page 12 of this manual.
4. Reverse Camera inoperable - Verify that all reverse camera connection points are proper by reviewing the reverse
camera wiring connection steps on pages 14 and 15.
LED Pattern State Action
LED 2 solid red Vehicle RAP / ACC Output is On N / A
LED 2 ashing green SWC Activity N / A
LED 2 ashing red Module Resetting / Initializing N / A
LED 1 solid green Module Powered and Operating N / A
LED 1 ashing amber USB Connected N / A
O󰀨 No Activity
Verify Key is in ignition position.
Verify that there is 12v on the
Yellow wire and Ground on the
Black wire.
To test the functionality of the radio and RPK4-CH4103, start with the ignition o󰀨 and driver’s door open and then do the
following:
1. Turn the ignition on. The LED on the interface will turn on, and the +12v accessory wire will turn on.
2. Verify that all RPK4-CH4103 radio dash bezel buttons operate their intended function:
a. Hazard ButtonHazard Button
b. Climate / Defrost ButtonsClimate / Defrost Buttons
c. Vehicle Accessories ButtonsVehicle Accessories Buttons
3. Turn on the radio, and check volume, balance and fade.
• If the overall volume is excessively low or high: Verify that Interface Connector 3 is connected to the appropriate
output connector on the RP4.2-CH4103 module (one is for amplied audio systems, while the other is for non-
amplied audio systems).
• If the overall volume is slightly lower or higher (vehicles with a factory amplier only): Use the factory amp gain
adjustment through the RPK4-CH4103 settings menu to set it to the desired level. See page 19 for information on how
to access the factory amplier settings menu.
• Verify that all SWC are functioning properly. See the Steering Wheel Control section (page 18-19) for radio-specic
details.
4. Verify that all vehicle functions are present through the RPK4-CH4103 5.2” LCD display:
• Climate Controls
• Factory Amplier Settings (Only applicable in vehicles with a Factory Amplier)
• SWI Settings (If DIP Switches are set for any radio other than 2-Wire Resistive)
• Vehicle Settings
• Information Screen
• Vehicle Gauges
• Camera Control
RP4.2-CH4103 Interface Module LED Diagnostics
a.
b.
c.