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POWER EQUIPMENT-DIAGNOSIS
8-85
SIX-WAY POWER SEATS
Condition
Possible Cause
Correction
SEAT TRACK EXCES-
SIVELY
LOOSE
LOOSE
FRONT LEVERS
SEAT CHUCK
FORE
AND AFT
ENTIRE UNIT IN-
OPERATIVE
SEAT OPERATES HORI-
(a) Loose rivet joints.
(a) Disassemble the upper track seat support by
removing the cotter keys and pins. Remove the
seat support and tighten all the riveted joints
by peening with a ball peen hammer.
(a) Movement between the two sections comprising
(a) Arc weld the front levers to prevent movement
the front lever assembly.
(a) Loose horizontal rack support arm to lower
track base.
(b)
Loose
horizontal rack in slave unit gear trim.
FOUR-WAY POWER
(a) Broken or loose wire from the circuit breaker
to the control switch.
(b) Faulty control switch.
(a) Broken or loose wire between the control
ZONTALLY BUT WILL NOT
OPERATE VERTICALLY
switch and the vertical drive motor.
(b) Faulty motor.
(c) Faulty or mis-aligned coupling between the
motor and the vertical drive mechanism.
(d) Faulty vertical drive mechanism.
SEAT OPERATES
VERTICALLY BUT WILL
NOT OPERATE
HORIZONTALLY
(b)
Faulty motor.
(a) Broken or loose wire between the control
switch and the horizontal drive motor.
(c) Faulty or mis-aligned coupling between the
motor and the horizontal drive mechanism.
(d) Faulty horizontal drive mechanism.
between the two sections.
(a) Repair as follows:
(1) Remove the seat track from the vehicle and
arc weld.
(2)
Tighten the rack attaching pins by arc
welding.
(b) Test and replace slave unit
if
necessary.
(a) Test for electrical continuity between the cir-
cuit breaker and the control switch. Repair or
replace as necessary.
(b) Test the control switch. Repair or replace as
necessary.
(a) Test wiring for continuity between the control
switch and the vertical drive motor. Repair or
replace as necessary.
(b) Repair or replace the motor.
(c) Inspect coupling for wear or mis-alignment. Re-
(d)
Inspect drive mechanism. Repair or replace as
pair or replace as necessary.
necessary.
(a) Test wiring for continuity between the control
switch and the horizontal drive motor. Repair
or replace as necessary.
(b)
Repair or replace the motor.
(c) Inspect coupling for wear or mis-alignment. Re-
(d) Inspect drive mechanism. Repair or replace as
pair or replace as necessary.
necessary.
POWER WINDOWS
NOTE:
The window
lift
motor used on the AP-1 and
AP-2
models
is
different than the window
lift
motor used
on AR-1 and AR-2 models. When bench testing the motors a separate ground wire must be connected to the
motor used on the AR-1 and AR-2 models. DO NOT connect a separate ground wire to the motor used
on AR-1 and AR-2 models.
A WINDOW WILL NOT
OPERATE
FROM
THE
MASTER SWITCH, BUT
CAN B E OPERATED
FROM THE
INDIVIDUAL
DOOR SWITCH
(a) Faulty switch in the master switch group.
(b)
Break in the wire at the door opening, or at the
(a) Replace master switch.
(b) Test for continuity, see "Wiring Diagrams." Re-
pair wiring. Avoid making a splice in the
flexing sections of the wiring harness.
door holding the master switch group.
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