ATTE/A340 Automatic Trans (GTE) — ECM Data Monitor Using Toyota Hand–held Tester, page 35

AT2–35
A340E (2JZ—GTE) 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 TE1 terminal circuit on page AT2–113

ECM DATA MONITOR USING TOYOTA HAND–HELD TESTER
1. Hook up the TOYOTA hand–held tester to the DLC2.
2. Monitor the ECM data by following the prompts on the tester screen.
HINT: TOYOTA hand–held tester has a "Snapshot" function which records the monitored data.
Please refer to the TOYOTA hand–held tester operator's manual.

F16997

EFI No.1 Fuse

CANCELING DIAGNOSTIC TROUBLE CODE
After repair of the trouble area, the diagnostic trouble code retained in the ECM memory must be canceled out by removing the EFI No.1 fuse for 10 seconds or more, with the ignition switch OFF.
Check that the normal code is output after connecting the fuse.

004299

Interface Box
Vehicle Harness
ECM

ECM TERMINALS STANDARD VALUE
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 "Snapshot" function. This record 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.

N03348
TOYOTA break-out-box
200929