Toyota Celica Supra 1986 Service And Repair Manual page 293

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AT· 18
AUTOMATIC TRANSMISSION - Electric Control
•,s,s,
L.o
. 1
.ono
INSPECTION OF ELECTRIC CONTROL
~
COMPONENTS
1. INSPECT VOLTAGE OF ECT COMPUTER CONNECTOR
1
~·
Cal
Remove the g love box.
!.
(b)
Turn on the ignition switch.
1,'
olf:)
(cl
Measure the voltage at each terminal.
1~
'-
I . . . 101
Termlnel
Meeouring condition
Volt- lVI
OENSO
type computer AISIN
type computor
Thronle vatve fuUy ctosed
5
12
l o - GNO
Thronle vatve fully closed to fully open
5 t o 0 12 to 0
Throttle vatve fully open
0
-
Throttle valve fully closed
5
12
lo - GNO Throttle valve fully closed to fvlly open 5to0 to5
12to0to 12
Throttle valve fully open 5
12
Throttle valve funy closed
5
12
l > - GNO Throttle valve fuMy ctosed to fully open
5to0to5to0to5 12 to 0 to 12 to 0 to 12
Thton&e valve fuRy open 5
12
Thtottle valve fuly cloud 0
-
IDl - GND
ThrottJe vatve opening above 1.5°
12
-
Standing still
5 or 0 12 or 0
SPo- GND
2 .5
Engine running, vehk:le moving 6
When brake pedal i.s depressed
12
-
BR - GNO
When brake pedal ia not depressed 0
-
2 range
9 to 16
-
2 -
GND
Except 2 range
0 to 2
-
l range 9 to 16
-
l - GND
Except l range 0 to 2
-
So- GNO
-
12
-
So, S>- GNO
-
0
-
Cooltmt temp. below 65°C (149°Ft 0
-
OOo - GND
Coolant temp. above 75°C (167°f} 5 12
00 main switch tum ON 5
12
OOo - GNO
00 main switch tutn OFF
0
-
IG - GNO Standing still
12
-
Standing still
5 or 0
-
SPo - GNO
Engine running
4
-
PWR
pan. e rn 12
-
PWR - GND
Except PWR panern 0 to 2
-
+B - GND
-
12
-