Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Jeep Cherokee XJ 1988-1989.1993-1995 Approved 1994 XJ Jeep Cherokee 94XJ_8R
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J POWER SEATS 8R - 1
POWER SEATS
CONTENTS
page page
DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 POWER SEAT MOTOR REPLACEMENT . . . . . . . 2
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SWITCH TESTING . . . . . . . . . . . . . . . . . . . . . . . 2
GENERAL ward-rearward motor. The motor is grounded
The power seat can be adjusted in 6 different direc- through pin S4 and the contacts of the back switch to
tions (Fig. 1). The control switch is on the lower out- pin 2 and to ground. The motor runs to drive the seat
board side of the seat. forward until the switch is released.
The front lever on the switch raises or lowers (tilts) With the switch in the REAR position, pin S4 re-
the front of the seat cushion. The center lever raises ceives battery voltage and pin S3 is grounded. This
or lowers the complete seat by moving the switch up reversed polarity causes the motor to run in the op-
or down. The center lever also moves the seat for- posite direction and drive the seat backward.
ward or rearward by moving the switch forward or The front motor works in a similar way when the
rearward. The rear lever raises or lowers (tilts) the front height switch is operated.
back of the seat cushion. To raise the entire seat, the center position seat
switch is held in the UP position. This applies bat-
tery voltage to both pins S1 and S5 and the front and
rear motors. Pins S2 and S6 are grounded through
the down switches and the lower switch. Both motors
run to drive the entire seat up. A similar action oc-
curs to move the entire seat down.
Each motor contains a self-resetting circuit breaker
to protect it from overload. Consecutive or frequent
resetting must not be allowed to continue. Make nec-
essary repairs.
DIAGNOSIS
Refer to Group 8W-Wiring Diagrams for a complete
circuit diagram.
Before any testing is attempted the battery should
be fully charged and all connections and pins cleaned
and tightened to insure proper continuity and
grounds.
With the dome light on, apply switch in direction
of the failure. If the dome light dims, the seat may
be jamming. Check for binding. If the dome light
does not dim, then proceed with the following electri-
cal tests.
Fig. 1 Power Seat Switch
SEAT MOTOR ASSEMBLY
There are 3 reversible motors that operate the ◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo