Z06303
Z06304
BE
−
48
−
BODY ELECTRICAL
POWER WINDOW CONTROL SYSTEM
1996 LAND CRUISER (RM451U)
4.
Using an ammeter with a current
−
measuring probe:
INSPECT ONE TOUCH POWER WINDOW SYSTEM
(a)
Remove the master switch with connector connected.
(b)
Attach a current
−
measuring probe to terminal 6 of the
wire harness.
(c)
Turn the ignition switch ON, and set the power window
switch in the down position.
(d)
As the window goes down, check that the current flow is
up to approximately 7 A.
(e)
Check that the current increases approximately 14.5 A or
more when the window stops going down.
HINT:
The circuit breaker opens some 4
−
40 seconds after the win-
dow stops going down, so check must be made before the cir-
cuit breaker operates.
If operation is as specified, replace the master switch.
5.
INSPECT POWER WINDOW SWITCH CONTINUITY
Switch position
Tester connection
Specified condition
UP
1
−
5, 3
−
4
Continuity
OFF
1
−
2, 3
−
4
Continuity
DOWN
1
−
2, 4
−
5
Continuity
If continuity is not as specified, replace the switch.
6.
Front Door:
INSPECT LEFT SIDE DOOR POWER WINDOW MO-
TOR OPERATION
(a)
Connect the positive (+) lead from the battery to terminal
3 and the negative (
−
) lead to terminal 1, and check that
the motor turns clockwise.
(b)
Reverse the polarity, and check that the motor turns coun-
terclockwise.
If operation is not as specified, replace the motor.
7.
Rear Door:
INSPECT LEFT SIDE DOOR POWER WINDOW MO-
TOR OPERATION
(a)
Connect the positive (+) lead from the battery to terminal
1 and the negative (
−
) lead to terminal 2, and check that
the motor turns counterclockwise.
(b)
Reverse the polarity, and check that the motor turns
clockwise.
If operation is not as specified, replace the motor.
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Version 1.00 - 12/21/2010