Toyota Celica Supra 1986 Service And Repair Manual page 292

A UTOMATIC TRANSMISSION - Electric Control AT· 17
Trouble No . 5 N o locl<·up 1A f1er w ann·up)
Warm up engW\e
Coolant t emp:
so•c
c t76'Fl
ATF
temp:
so - so•c
11,;12 -
t76° Fl
Oulput
Rud diagnostic code CSee P090 AT· 81
diagnostic code
Procood to trouble No. 1 CAT · 12)
No Indicated
Rold test
Conn.ct • vottmeter to OG te.rmlnat ai"KK body
Yes
•
No. 3solenoidstuck
ground. Ia tl>ero 7, 5 or 3V
in
rl>e lock-up range
•
Feutty transmission
white
driving 7
•
Faulty lockoUp mechanism
No
Is voltage between ECT ECU
•
Faulty computer power aource
BRand GNO tarminel es follows?
Yeo
Brake pedal depre.ssed : 12V
and earth.
Bra)(e !Mdll released :
•
fauttv thronle position ajgn.al
ov
No
faulty blake •tgnal
I