Toyota Hilux Surf 1993 Owner's Manual page 377

AT–180
Diagnostic trouble code 62 (No. 1 solenoid valve circuitry)
Check resistance of No. 1 solenoid valve at
EC M connector. (See page AT–193)
Substitute another ECM.
Remove the oil pan and check resistance of No. 1
solenoid valve connector and body ground.
Resistance: 11–15/
Check wiring between No. 1 solenoid valve
and ECM.
Diagnostic trouble code 63 (No.2 solenoid valve circuitry)
Check resistance of No.2 solenoid valve at
EC M connector. (See page AT–193)
Substitute another ECM.
Remove the oil pan and check resistance of No. 2
solenoid valve connector and body ground.
Resistance: 11–15
/
Check wiring between No.2 solenoid valve
and ECM.
Diagnostic trouble code 64 (Lock–up solenoid valve circuitry)
Check resistance of lock–up solenoid valve at
ECM connector. (See page AT–193)
Substitute another ECM.
Remove the oil pan and check resistance of
lockup solenoid valve connector and body ground.
Resistance: 11–15
Check wiring between lock–up solenoid
valve and ECM.
AUTOMATIC TRANSMISSION – Troubleshooting (Diagnosis System)
Replace No. 1 solenoid valve.
Replace No. 2 solenoid valve.
Replace lock–up solenoid valve.