Toyota AVENSIS 2000 Supplement Manual page 185

DI–54
Pattern Select Switch Circuit
CIRCUIT DESCRIPTION
The Engine & ECT ECU memory contains the shift programs for the NORMAL, POWER and SNOW (w/
SNOW mode) patterns, 2 range, L range and the lock–up patterns. By following the programs corresponding
to the signals from the pattern select switch, the neutral start switch and other various sensors, the Engine
& ECT ECT switches the solenoid valves ON and OFF, and controls the transaxle gear change and the lock–
up clutch operation.
WIRING DIAGRAM
Pattern Select Switch
3
E5
R–L
3F 10
10 3B
10 3A 3F 1
R–L
Instrument Panel J/B
3
2
IC
*1: LHD
*2: RHD
AVENSIS/CORONA SUP (RM781E)
DIAGNOSTICS
NORM
5
E5
SNOW
2
P
E5
PWR
B–O
Center
J/B
B–O
Instrument Panel J/B
GAUGE
5
10
IF IC
W
AM1
2
W
1
IA
– AUTOMATIC TRANSAXLE (A246E)
P–B
Center J/B
15
15
3D
3B
15 3F
Combination Meter
P
9
C11
22
C11
24
C10
ECT PWR
Ignition Switch
B–Y
8
IG1 AM1
FL
1
Block
2 *
2
1 *
1
ALT
W
F17 F15
P
22
R–Y
C10
ECT SNOW
14
W–B
C10
1
W–B
C10
5
FL
Battery
MAIN
DI336–03
Engine and ECT ECU
16
SNWI
E20
28
PWR
E20
7
E21 SNWO
W–B
1
J1 *
A
2
J27 *
Junction
Connector
1
II *
2
IJ *
D10184