Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Jeep Cherokee XJ 1988-1989.1993-1995 Approved 1995 XJ Jeep Cherokee 95XJ_8G
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>> Download 95XJ_8G documenatation <<Text preview - extract from the documentJ HORNS 8G - 1
HORNS
CONTENTS
page page
DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 SERVICE PROCEDURES . . . . . . . . . . . . . . . . . . . 3
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . 1 SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . 5
GENERAL INFORMATION
Following are general descriptions of the major steering column. On YJ models, the horn relay is a
components in the XJ (Cherokee)/YJ (Wrangler) horn ISO relay installed in the Power Distribution Center
systems. Refer to Group 8W - Wiring Diagrams for (PDC) near the battery tray. Refer to underside of
complete circuit descriptions and diagrams. PDC cover for relay identification.
One side of the horn relay electromagnetic coil re-
HORN SWITCH ceives battery voltage at all times. When a horn
switch is depressed, the other side of the relay coil is
XJ
grounded. The energized relay coil causes the nor-
Two horn switches are installed in the steering
mally open relay contacts to close, providing battery
wheel, one on each side of the center-mounted driv-
voltage to the horn.
er's airbag module. When either switch is depressed
If a problem is encountered with a continuously
it completes a circuit to ground for the coil side of the
horn relay. The steering wheel and steering column sounding horn, it can usually be quickly resolved by
must be properly grounded for the horn switches to removing the horn relay until further diagnosis is
function. The horn switches are only serviced as a set completed.
with their wiring. If either switch should fail, both
switches must be replaced. HORNS
On YJ models, a standard single, low-note, dia-
YJ phragm-type horn is mounted and grounded to the
A single switch is installed in the center of the left inner fender shield under the hood. Dual horns
steering wheel, directly under the horn button. When are standard equipment on XJ models. The high-note
the horn button is depressed the switch completes a diaphragm-type horn is mounted and grounded to
circuit to ground for the coil side of the horn relay. the left radiator closure panel brace behind the front
The steering wheel and steering column must be bumper. The low-note diaphragm-type horn is con-
properly grounded for the horn switch to function. nected in parallel with the high-note horn and is
The horn switch is available for service. mounted and grounded to the right radiator closure
panel brace behind the front bumper.
HORN RELAY On XJ models, a cadmium-plated screw is
On XJ models, the horn relay is a mini-relay in- used to attach the horns to the body. Do not
stalled in the relay center, which is mounted to the substitute other types of screws as they may be-
lower instrument panel reinforcement inboard of the come corroded and cause a loss of ground.
8G - 2 HORNS J
DIAGNOSIS
WARNING: ON VEHICLES EQUIPPED WITH AN AIR-
BAG, REFER TO GROUP 8M - RESTRAINT SYS-
TEMS BEFORE ATTEMPTING STEERING WHEEL
COMPONENT DIAGNOSIS OR SERVICE. FAILURE
TO TAKE PROPER PRECAUTIONS COULD RESULT
IN ACCIDENTAL AIRBAG DEPLOYMENT AND POS-
SIBLE PERSONAL INJURY.
(1) Inspect fuses (F8 and F16 in PDC on YJ)(11 in
fuseblock module and F14 in PDC on XJ). Replace
fuses, as required.
(2) Remove the horn relay (in the PDC on YJ)(in
the relay center on XJ). See Horn Relay Connec-
tions-XJ (Fig. 1) or Horn Relay Connections-YJ (Fig.
2) and perform the following tests.
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