33 williys 77

UNDERSTANDING THE FEATURES OF YOUR VEHICLE


The ESP system has 3 available operating modes in 4WD
High Range. The system has 1 operating mode in 4WD
Low Range. 2WD vehicles and 4WD vehicles in 2WD
mode have 2 operating modes.

High Range (4WD Models) or 2WD Models

On

This is the normal operating mode for ESP in 4WD high
range and in 2WD vehicles. Whenever the vehicle is
started or the transfer case (if equipped) is shifted from
4WD low range or neutral back to 4WD high range, the
ESP system will be in this mode. This mode should be
used for most all driving situations. ESP should only be
turned to “Partial Off” or “Full Off” for specific reasons
as noted below.

Partial Off

This mode is entered by momentarily depressing the
9ESP Control Switch9. When in 9Partial Off9 mode, the
TCS portion of ESP has been disabled and the 9ESP/TCS
Indicator Light9 will be illuminated. All other stability
features of ESP function normally. This mode is intended
to be used if the vehicle is in deep snow, sand, or gravel
conditions and more wheel spin than ESP would normally
allow is required to gain traction. To turn ESP on
again, momentarily depress the ESP Control Switch .
This will restore the normal “ESP On” mode of operation.

NOTE: To improve the vehicle’s traction when driving
with snow chains, or starting off in deep snow, sand, or
gravel, it may be desirable to switch to the “Partial Off”
mode by pressing the ESP switch. Once the situation
requiring ESP to be switched to the “Partial Off” mode is
overcome, turn ESP back on by momentarily depressing
the “ESP Control Switch”. This may be done while the
vehicle is in motion.
ESP Off (4WD High Range Only)
This mode is intended for off-highway or off-road use
when ESP stability features could inhibit vehicle maneuverability
due to trail conditions. This mode is entered by
depressing and holding the “ESP Control Switch” for 5
seconds when the vehicle is stopped and the engine is
running. In this mode, all ESP and TCS stability features
are turned off except for the “limited slip” feature described
in the TCS section. After 5 seconds, a chime will
sound, the 9 ESP/TCS Indicator Light 9 will illuminate,
and the ESP OFF message will appear in the odometer.
Refer to “Compass and Mini-Trip Computer — If
Equipped” in Section 4 of this manual. To turn ESP on
again, momentarily depress the 9ESP Control Switch9.
This will restore the normal “ESP On” mode of operation.
NOTE: The ESP system will change to “Partial Off”
mode if the vehicle speed exceeds 40 mph (64 km/h).
After the vehicle speed is reduced below 35 mph (56
km/h), the ESP system will return to “Full Off” mode.
NOTE: The “ESP OFF” message will display and the
audible chime will sound when the gear selector is
placed into the “P” (Park) position from any position
other than “P” (Park), and then moved out of the “P”
(Park) position. This will occur even if the message was
previously cleared.

WARNING!

With the ESP switched off, the enhanced vehicle
stability offered by ESP and ERM are unavailable. In
an emergency evasive maneuver, the ESP and ERM
systems will not engage to assist in maintaining
stability. The “Full Off” ESP mode is intended for
off-road use only.

4WD Low Range
ESP Off
This is the normal operating mode for ESP in 4WD low
range. Whenever the vehicle is started in 4WD low range,
or the transfer case (if equipped) is shifted from 4WD
high range or neutral to 4WD low range, the ESP system
will be in this mode. In 4WD low range, ESP and TCS,
except for the “limited slip” feature described in the TCS
section, are turned off until the vehicle reaches a speed of
40 mph (48 km/h). At 40 mph (48 km/h), the normal ESP
stability function returns but TCS remains off. When the
vehicle speed drops below 35 mph (40 km/h), the ESP
system shuts off. ESP is off at low vehicle speeds in 4WD
low range so that it will not interfere with off-road
driving but ESP function returns to provide the stability
feature at speeds above 40 mph (48 km/h). The 9ESP/
TCS Indicator Light will always be illuminated in 4WD
low range when ESP is off.
NOTE: The “ESP OFF” message will display and the
audible chime will sound when the gear selector is
placed into the “P” (Park) position from any position
other than “P” (Park), and then moved out of the “P”
(Park) position. This will occur even if the message was
previously cleared.

ESP/BAS Warning Lamp
The malfunction indicator lamp for the ESP is
combined with the BAS indicator. The yellow
“ESP/BAS Warning Lamp” in the instrument
cluster comes on when the ignition switch is
turned to the “ON” position. It should go out with the
engine running.
If the “ESP/BAS Warning Lamp” comes on continuously
with the engine running, a malfunction has been detected
in either the ESP or the BAS system, or both. If this light
remains on after several ignition cycles, and the vehicle
has been driven several miles at speeds greater than 30
mph (48 km/h), see your authorized dealer as soon as
possible to have the problem diagnosed and corrected.
NOTE:
The ESP/BAS Warning Lamp comes on momentarily
each time the ignition switch is turned ON.
Each time the ignition is turned ON, the ESP System
will be ON even if it was turned off previously.
The ESP Control System will make buzzing or clicking
sounds when it is active. This is normal; the sounds
will stop when ESP becomes inactive following the
maneuver that caused the ESP activation.

deanthemachine04

even in 4 lo im suprised how little gas the jk sucks up! if only we could get the same results driving around town!

CIJeep

You can, but it might take you 3 hours to get across town.

Newtybar

The manual says ESP will turn back on again when in 4Lo in speeds excess of 40mph....

if you are going 40mph in 4Lo...your jeep is doomed.

Big Clint

Concerning the use of 4WD with icy road conditions...just because you have a 4WD vehicle doesn't mean you are obligated to use it. Look around at all the other vehicles on the road that don't have 4WD in that situation and observe how well they're getting around. Icy roads have more to do with cautious driving than it does the use of 2 or 4 wheels...afterall, you are not increasing the amount of rubber in contact with the ground...you are only changing how torgue is transferred between the tires and ground and spreading out a set amount of torgue between more contact points. -- And trust me. I'm in Texas where there is no snow on the roads...only ice. -- You're bigger problem is going to less rubber contacting the road IF you change your OEM tires to something more extreme.

Ben

Sigh... 4wd low is just 4wd with a lower final gear ration, kind of like downshifting, but there is nothing magical or different about it than 4 hi, anymore than there is from shifting from 2nd gear to 1st! use 4 lo any time you want offroad for more control and help going up or down steep or difficult terrain. Personally I find in my x with the 3.21 gears that off road i use 4lo almost exclusively. Just do what the trail dictates, I have even used it on pavement before, going up a steep hill in the snow, no different than 4 hi, except the gear ratio!