1E-24 Electronic control fuel injection system (Common rail type) Function of Tech2 Utilizing this mode, reproduce and record the conditions claimed by the customer to identify the data fault. The trigger type allows to record the data of the time when DTC is displayed. The stored data can be replayed with a domestic power supply. Data display This displays conditions recognized and controlled by ECM at each items. The values of display items is described in typical data of Tech2 data list. The contents of display items describe about data. Programming Confirm the data history before replacement of ECM. (Data confirmation) Then, upload the data to the Tech2.
After replacement of ECM, download data from Tech2 to new ECM. Actuator test Perform each test to check the operation or function of appropriate parts for faults. When giving instruction to ECM from test screen, set the select switch of the Tech2 adapter to “2” position. Caution: Each test may not performed if the machine, engine operation status, coolant temperature, vehicle speed, switch status, gear position, etc. does not meet conditions or if DTC is detected. TSWG0098 This menu can be used to display the current data. The display synchronizes with the status of the machine or equipment. If the data display menu cannot be selected: Trouble occurs on the cable between ECM and DLC.
The position of select switch on Tech2 adapter is wrong. If the abnormal fixed value is displayed: [Example] The data display value of engine speed, each sensor, etc. is fixed and different from actual one. Move the connector or harness by hand. If the display changes from fix to release, connection of the connector is faulty, pin tip length is uneven, or open or short circuit exists in the harness where you have moved. Therefore, repair is necessary. When asterisk mark (*) is displayed in place of numeric display; The Tech2 software has problem. If asterisk mark (*) is found on any of the data, PCMCIA card must be version-upgraded.
Snapshot To find the cause of trouble, perform this snapshot to review the data. The snapshot can record the data list menu and plot a graph. V V RPM RPM V V % MPa