Toyota Celica Supra 1986 Service And Repair Manual page 289

AT OA ' TftA
ic
Continued from page A
l> 13
Connect
ECT ECU
connector and
while driving does OG tennin.al voh.age
rise from
(N
10 7V
in sequence?
1---"-
0 .:;;-:... ' .!.:!. 7V _ _ • Tranomi•sM>n faulty
• Solenoid faulty
0 - 5V
IOV
I
0- 3V
Thera Is 12V between ECT ECU '""""'''
l - GNO when 0 range.
!NO jYes
• Nevtrtl
start
switch circuit
faulty
• Neutral stert switch feulty
Try another ECT ECU
Proceed to trouble 4 (AT· 1 6)
n••• Ia 12V bet ween ECT ECU
2
GNO when
0
range.
IY•• jNo
;
.
i
I