ATGE/A340 Automatic Trans (GE) — Diagnostic Trouble Code Check by Using Toyota Hand–held Tester, page 35

AT1–35
AT340E (2JZ–GE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING

0.5 seconds   2.5 seconds   For
                                        Next
                                        Code
ON
OFF
4.0 seconds  1.5 seconds  4.5 seconds
                                        Repeat
AT0713

The trouble code is indicated, as shown in the illustration at left (Diagnostic trouble code "42" is
shown as an example).
HINT: When 2 or more trouble codes are stored in memory, the lower–numbered code is displayed first. If no diagnostic trouble code is output, or if a diagnostic trouble code is output even though no diagnostic trouble code output operation is performed, check the TE 1 terminal circuit on page AT1–93.

DIAGNOSTIC TROUBLE CODE CHECK BY USING TOYOTA HAND–HELD TESTER

F10997

1.    Hook up the TOYOTA hand–held tester to the DLC2.
2.    Read the diagnostic trouble codes by following the prompts on the tester screen.
      Please refer to the TOYOTA hand–held tester operator's manual for further details.

CANCELING DIAGNOSTIC TROUBLE CODE

EFI fuse

G04240

After repair of the trouble area, the diagnostic trouble code retained in the ECM memory must be canceled out by removing the EFI fuse for 10 seconds or more, with the ignition switch OFF.
Check that the normal code is output after connecting the fuse.

ECM TERMINALS STANDARD VALUE

Interface Box        Vehicle Harness
ECM

N09348                TOYOTA break-out-box
Z09920

ECM TERMINAL VALUES
MEASUREMENT BY USING TOYOTA BREAK–OUT –BOX AND TOYOTA HAND–HELD TESTER
1.    Hook up the TOYOTA break–out–box and TOYOTA hand–held tester to the vehicle.
2.    Read the ECM input/output values by following the prompts on the tester screen.
      HINT: TOYOTA hand–held tester has a "Snapshot" function. This records the measured values and is effective in the diagnosis of intermittent problems.
      Please refer to the TOYOTA hand–held tester / TOYOTA break–out box operator's manual for further details.