Q08584
ECM
Pattern Select Switch*
(PWR Mode Switch)
PWR
E7
P
−
B
B
−
W
PWR Indicator Light
(Combination Meter)
ID2
6
3
C12
13
16
20
15
B
J6
EGU
−
IG
Fuse Block
Ignition Switch
EA2
AM1
IG1
Fuse Block
AM1
P
−
B
P
−
B
6
B
B
B
ID2
B
−
W
B
−
W
3
1
B
−
Y
2
4
2
2
2
1
FL AM1
F6
Battery
2
2
3
4
W
B
−
L
R/B No. 2
R/B No. 2
Pattern Select Switch (PWR Mode Switch)
When the PWR mode switch is pushed in, the switch is contacted and
the PWR mode is celected.
To cancel the PWR mode, push the PWR mode switch onec again.
*:
−
DIAGNOSTICS
AUTOMATIC TRANSMISSION
DI
−
179
1996 LAND CRUISER (RM451U)
Pattern Select Switch Circuit (PWR Mode Switch)
CIRCUIT DESCRIPTION
The ECM memory contains the shift programs for the NORMAL and POWER patterns, 2 position, L position
and the lock
−
up patterns. Following the programs corresponding to the signals from the pattern select
switch, the park/neutral position switch and other various sensors, the ECM switches the solenoid valves
ON and OFF, and control the transmission gear change and the lock
−
up clutch operation.
WIRING DIAGRAM
INSPECTION PROCEDURE
1
Check operation of PWR indicator light.
PREPARATION:
Check if the PWR indicator light normally when the PWR mode switch is set to NORM and PWR position.
NG
Check and repair PWR indicator light.
OK
DI5L6
−
03
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Brought to you by BirfMark
Version 1.00 - 12/21/2010