Jeep WK Grand Cherokee Factory Rear Park Assist System

By Jeep Experts

Welcome to the jeepExperts.com in-depth web page on the WK Generation Jeep Grand Cherokee rear park help system. Did we miss something? Please get in contact with us and inform us about it!

The Rear Park Assist System gives visible and audible indications of the gap between the rear fascia and the detected impediment when backing up. Refer to the Warning Section and Note Section for limitations of this method and proposals.

The Rear Park Assist System will keep in mind the final system state (enabled or disabled) from the final ignition cycle when the ignition is modified to the RUN/ON place.

The Rear Park Assist System could be energetic solely when the shifter is in R (Reverse). If the Rear Park Assist System is enabled at this shifter place, the system will likely be energetic till the automobile velocity is elevated to roughly 11.2 miles/hr (18 km/h) or above. The system will likely be energetic once more if the automobile velocity is decreased to speeds lower than E roughly 9.94 miles/hr (16 km/h).

Rear Park Assist Sensors

The 4 Rear Park Assist Sensors, positioned within the rear fascia, monitor the realm behind the automobile that’s throughout the sensors’ area of view. The monitored space appears oval in form.

The sensors can detect obstacles from roughly 11.8 inches (30 cm) as much as 59 inches (150 cm) from the rear fascia within the horizontal course, relying on the situation and orientation of the impediment and the kind of impediment.

Rear Park Assist Warning Display

The Rear Park Assist Warning Display, positioned within the headliner close to the flipper glass, gives each visible and audible warnings to point the gap between the rear fascia and the detected impediment.

When the ignition is modified to the RUN/ON place, the warning show will flip ON all of its LEDs for about I sec.

Each facet of the warning show has 6 yellow and a couple of crimson LEDs. The automobile is near the impediment when the crimson LED is ON.

When the impediment is detected at a distance of about 59 inches (150 cm) from the rear fascia, the outermost LEDs of the warning show will likely be ON with elevated brightness. As the gap of the detected impediment to the rear fascia decreases, extra LEDs are illuminated. The warning show won’t actuate a tone when solely yellow LEDs are ON.

When the warning show has the primary 7 LEDs ON, together with 1 crimson LED, the warning show will actuate an intermittent tone for about 3 sec. The radio will likely be muted whereas the tone is actuated.

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When the detected impediment is about 11.8 inches (30 cm) from the rear fascia, the warning show will actuate a steady tone for about 3 sec and it’ll flip ON all 8 LEDs, together with each RED LEDs, on the corresponding facet of the show. The radio will likely be muted whereas the tone is actuated.

When the impediment is lower than 11.8 inches (30 cm) from the rear fascia, the warning show will both have all 8 LEDs ON (impediment detected) or it’ll have solely the outermost LEDs ON with decreased brightness (impediment not detected), relying on the situation of the impediment.

Enable/Disable the Rear Park Assist System

The Rear Park Assist System could be enabled and disabled with a change positioned within the change financial institution of the instrument panel.

When the change is pressed to disable the system, the instrument cluster will show the “PARK ASSIST DISABLED” message. When the shifter is modified to R (Reverse) and the system is disabled, the instrument cluster will actuate a single chime, as soon as per ignition cycle, and it’ll show the message.

The Rear Park Assist Switch LED will likely be ON when the Rear Park Assist System is disabled or faulty. The Rear Park Assist Switch LED will likely be OFF when the system is enabled.

Service the Rear Park Assist System

When the Rear Park Assist System is flawed, the instrument cluster will actuate a single chime, as soon as per ignition cycle, and it’ll show the “SERVICE PARK ASSIST SYSTEM” message.

Cleaning the Rear Park Assist System

Clean the Rear Park Assist Sensors with water, automotive wash cleaning soap and a delicate fabric. Do not use tough or laborious cloths. Do not scratch or poke the sensors. Otherwise, you could possibly harm the sensors.

NOTE: Clean all 4 Rear Park Assist Sensors often, taking care to not scratch or harm them. The sensors should not be lined with ice, snow, slush, mud, grime or particles. Failure to take action can lead to the system not working correctly. The system won’t detect an impediment behind the fascia or it might present a false indication that an impediment is behind the fascia.

Assure objects aren’t inside 11.8 inches (30 cm) from the rear fascia whereas driving the automobile. Failure to take action can lead to the system misinterpreting a detailed object as a sensor downside, inflicting the “SERVICE PARK ASSIST SYSTEM” message to be displayed within the instrument cluster.

Ultrasonic noise from airbrakes of close by vehicles, air powered jackhammers and air powered store instruments, to call a number of, will trigger the Rear Park Assist System to be disabled till the ultrasonic noise is not current.

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CAUTION!  The Rear Park Assist System is just a parking assist and it’s unable to acknowledge each impediment, together with small obstacles. Parking curbs is perhaps quickly detected or not detected in any respect. Obstacles positioned above or under the sensors won’t be detected when they’re in shut proximity.

The automobile have to be pushed slowly when utilizing the Rear Park Assist System to have the ability to cease in time when the impediment is detected. It is beneficial that the driving force seems to be over his/her shoulder when utilizing the Rear Park Assist System.

WARNING!  Drivers have to be cautious when backing up even when utilizing the Rear Park Assist System. Always verify fastidiously behind your automobile, look behind you, and you should definitely verify for pedestrians, animals, different autos, obstructions, and blind spots earlier than backing up. You are answerable for security and should proceed to concentrate to your environment. Failure to take action can lead to critical harm or loss of life.

Before utilizing the Rear Park Assist System, it’s strongly beneficial that the ball mount and hitch ball meeting is disconnected from the automobile when the automobile is just not used for towing. Failure to take action can lead to harm or harm to autos or obstacles as a result of the hitch ball will likely be a lot nearer to the impediment than the rear fascia when the warning show turns the crimson LEDs ON. Also, the sensors might detect the ball mount and hitch ball meeting, relying on its dimension and form, giving a false indication that an impediment is behind the automobile.

Reverse Sense package for 2005-2010 Grand CherokeesReverse Sense package for 2005-2010 Grand Cherokees

 

Grand Cherokee WK Reverse Sensing System elements
Item Part # MSRP
Mopar Reverse Sensing System package (identical elements as manufacturing unit set up) 82208246AF $341.00
Hole noticed device set(24mm and 30mm holesaws for sensors and show set up) 82208882 $21.75
Hole noticed device(19mm holesaw for wire loom feed. 3/4″ holesaw will even work) N/A from Mopar  

(Prices listed are for reference functions solely and will fluctuate by vendor. MSRP costs are present as of March 2013. Parts aren’t obtainable from this website.)

Installation notes

The set up notes proven under are additionally printed within the obtainable PDF set up guide (hyperlink under). They are reprinted right here for comfort and to present anybody attention-grabbing in shopping for this method an concept of what’s concerned for the set up. Tools required are proven under on the scan of web page one of many guide.

Although not a very tough set up, it’s best left for professionals or those that have expertise in this kind of automotive work. Installation includes eradicating inside trim panels, eradicating the rear fascia, drilling holes, and soldering a few wires to the taillamp harness. It is extremely prompt to puchase the Mopar holesaws as being metric they could be laborious to search out on the native ironmongery shop.

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1. Open the liftgate and take away the higher liftgate trim panel.

2. Remove the suitable (passenger’s facet) D-pillar trim panel.

3. Install audio/visible show to the suitable D-pillar trim panel as proven.

4. Remove the decrease liftgate trim panel.

5. Remove the suitable C-pillar trim panel.

6.Remove the suitable inside quarter trim panel.

7. Remove the rear fascia and place it on a protected floor.

8. If portray the sensors to match the automobile coloration is desired by the shopper, discuss with the next 4 steps:

Step 1: Prep floor following customary paint store procedures for portray of plastic parts.

Step 2: Mix Sikkens Brand Autobase with Diluent 1:1.

Step 3: Fog-spray 1 coat of Autobase combination. Wait 5 minutes. Wet-spray one other coat of Autobase combination. Let dry for 25 minutes.

Step 4: While Autobase remains to be moist, spray 1 coat of Autoclear (Varnish/Curing Agent/Diluent = 5:2 0:15). Let dry for quarter-hour. Place sensors in heated drying chamber for 60 minutes at 52°c.

9. Install sensors as proven and totally interact the clips. Attach the sensor cables.

10. Remove the suitable taillamp. Remove sealer patch from decrease entry gap within the taillamp opening panel.

11. Drill an entry gap in the suitable inside quarter panel as proven.

12. Trim the rear fascia help in two locations to permit clearance for the inboard sensor assemblies.

13. Re-install rear fascia whereas fastidiously pulling the sensor cable connectors one by one into the automobile. Keep cables away from sharp edges and guarantee they aren’t pinched underneath the fascia. Replace any broken plastic pop rivets from inventory.

14. Route energy harness wires by way of the drilled entry gap and out of the taillamp opening entry gap.

15. Determine which taillamp wires have the bottom and back-up lamp alerts. Disconnect the adverse battery cable and carry out heart splicing as proven.

16. Use RTV sealant on any altered grommets to forestall water leaks.

17. Make all connections to the controller. Install controller utilizing hook and loop patches.

12. Loop up slack in cables and wires. Apply tie straps and tape and stow away neatly. Do not kink or tightly coil the cables.

18. Re-install sealer patch to the taillamp entry gap.

19. Use foam tape round cables and wires at each entry holes to forestall leaks.

20. Connect audio/visible show cable to the extension cable.

21. Re-connect battery and verify operation of the reverse sensing system.

22. The audio/visible show could be set to NO AUDIO, LOW AUDIO, or HIGH AUDIO.

Installation step #15 above requires splicing into two rear lamp harness wires

Front web page scan of the Mopar set up guide

 

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