INITIALIZATION 1. RESET MEMORY NOTICE:
HINT: The ECM memorizes the control conditions of the automatic transmission assembly and engine assembly. Therefore, when the automatic transmission assembly, valve body assembly or any of the shift solenoid valves has been replaced, it is necessary to reset the memory so that the ECM can memorize the new information. The reset procedure is as follows. (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Engine and ECT / Utility / Reset Memory. NOTICE: After performing Reset Memory, be sure to perform the Road Test (See page
HINT: The ECM learns through the Road Test. 2. ATF THERMAL DEGRADATION ESTIMATE RESET NOTICE: If either of the following conditions is met, perform ATF Thermal Degradation Estimate Reset.
(a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. NOTICE: Do not start the engine. (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Engine and ECT / Utility / ATF Thermal Degradation Estimate Reset. |
Toyota Tundra Service Manual > Occupant Classification System: Open in Occupant Classification ECU Battery Positive Line (B1794)
DESCRIPTION DTC B1794 is set when a malfunction is detected in the occupant classification ECU. DTC Code DTC Detection Condition Trouble Area B1794 One of following conditions is met: Occupant classification ECU circuit malfunction Occupant classification ECU malfunction Occupant classification ECU ...