Refer to "51.Engine Control 1A.Troubleshooting(RZ4E-TC) Diagnostic system check-engine controls".
1) Connect the scan tool.
2) Turn OFF the ignition switch for 30 seconds or more.
3) Turn ON the ignition switch.
4) Observe the DTC information with a scan tool. Is a DTC set?
Yes
=>Go to Injector ID code upload.
No
Caution
1) Turn ON the ignition switch.
2) Select the scan tool item.
3) Follow the directions on the screen and upload the injector ID codes to a scan tool.
4) After completing the upload, turn OFF the ignition switch.
Procedure completion
1) Turn ON the ignition switch.
2) Select the scan tool item.
3) Perform EEPROM Error Clear by following the on-screen instructions.
4) After the EEPROM Error Clear, turn OFF the ignition switch for 1 minute.
Procedure completion
1) Turn ON the ignition switch.
2) Select the scan tool item.
3) Program the VIN into the ECM by following the on-screen instructions.
Note
4) After completing the programming, turn OFF the ignition switch for 1 minute.
Procedure completion
=>Go to Injector ID Code download.
1) Turn ON the ignition switch.
2) Select the scan tool item.
3) Follow the directions on the screen and download the injector ID codes to the ECM.
4) After completing the download, turn OFF the ignition switch for 1 minute.
Procedure completion
=>Go to Injector ID Code verification.
1) Turn ON the ignition switch.
2) Perform Program Injector ID Code with a scan tool.
3) Make sure that the Injector ID Code on the display matches the vehicle Injector ID Code.
4) If the injector ID codes do not display or are not correct, input the correct injector ID codes.
Procedure completion
=>Go to Fuel Supply Pump Relearning.
1) Turn ON the ignition switch.
2) Select the scan tool item.
3) Reset the Fuel Supply Pump Learning by following the on-screen instructions.
4) Observe that the Fuel Supply Pump Learning Status parameter changes to Not Learned on the scan tool Data Display.
5) Start and completely warm up the engine until the engine coolant temperature reaches 65°C {149°F} or more.
6) Observe the Fuel Supply Pump Learning Status parameter on the scan tool.
7) The procedure is complete when the parameter changes from Not Learned to Learned.
Procedure completion
=>Go to Programming verification.
1) Turn OFF the ignition switch for 30 seconds or more.
2) Turn ON the ignition switch.
3) Observe the DTC information with a scan tool. Is a DTC set?
Yes
No
Note
Refer to "1.Engine 1Z.Engine Electrical Control(RZ4E-TC) ECM removal".
Refer to "1.Engine 1Z.Engine Electrical Control(RZ4E-TC) ECM installation".
Refer to "1.Engine 1Z.Engine Electrical Control(RZ4E-TC) ECM setting".
Procedure completion
1) Clear the DTC with a scan tool.
2) Turn OFF the ignition switch for 30 seconds or more.
3) Start the engine.
4) Observe the DTC information with a scan tool.