Page text (OCR transcript)
AUTOMATIC TRANSMISSION — Troubleshooting (Diagnosis System) AT-17
Diagnostic code 62 (No. 1 solenoid valve circuitry)
Check resistance of No. 1 solenoid valve at
ECT ECU connector. (See page AT-30)
NG
OK
Substitute another ECT ECU.
Remove the oil pan and check resistance of NG Replace No. 1 solenoid valve.
No. 1 solenoid valve connector and body
ground.
Resistance: 11 — 15 Ω
OK
Check wiring between No. 1 solenoid valve
and ECT ECU.
Diagnostic code 63 (No. 2 solenoid valve circuitry)
Check resistance of No. 2 solenoid valve at NG
ECT ECU connector. (See page AT-30)
OK
Substitute another ECT ECU.
Remove the oil pan and check resistance of NG Replace No. 2 solenoid valve.
No. 2 solenoid valve connector and body
ground.
Resistance: 11 — 15 Ω
OK
Check wiring between No. 2 solenoid valve
and ECT ECU.
Diagnostic code 64 (Lock-up solenoid valve circuitry)
Check resistance of lock-up solenoid valve at NG
ECT ECU connector. (See page AT-30)
OK
Substitute another ECT ECU.
Remove the oil pan and check resistance of NG Replace lock-up solenoid valve.
lock-up solenoid valve connector and body
ground.
Resistance: 11 — 15 Ω
OK
Check wiring between lock-up solenoid valve
and ECT ECU.