TSRM/MK3 Supra/Repair Manual
Repair ManualWiring DiagramsCommunity Fixes
p.023

AT/Automatic Transmission, page 24

24 / 144
p.025
Automatic Transmission — MK3 Supra Automatic Transmission, page 24
100%
Page text (OCR transcript)
Continued from page AT-23

Connect ECT ECU connector and road test.
Does Tr terminal voltage rise from 0V
to 7V in sequence?

0→7V
• Transmission faulty
• Solenoid faulty

0→5V
Proceed to trouble 3 (AT-26)

0V

0→3V
Are there 12V between ECT ECU
terminals 2— GND when in the D
range?

Yes
No

Are there 12V between ECT ECU terminals
L— GND when in the D range?

No
Yes
• Neutral start switch circuit faulty
• Neutral start switch faulty

Try another ECT ECU