CHECK FOR INTERMITTENT PROBLEMS CHECK FOR INTERMITTENT PROBLEMS HINT: A momentary interruption (open circuit) in the connectors and/or wire harnesses between the sensors and ECUs can be detected using the Data List function of the Techstream. (a) Turn the power switch off. (b) Connect the Techstream to the DLC3. (c) Turn the power switch on (IG). (d) Turn the Techstream on. (e) Follow the directions on the Techstream to display the Data List and select areas where momentary interruptions should be monitored. HINT:
(f) While observing the screen, gently jiggle the connectors or wire harnesses between the ECUs and sensors, or between ECUs. OK: Normal is displayed. HINT: If the display changes, this indicates that there has been a momentary interruption (open circuit) in the connector and/or wire harness. In this case, repair or replace the connectors and/or wire harnesses as one of them is faulty. |
Toyota Avalon Service & Repair Manual > Hybrid Control System: Transmission Fluid Temperature Sensor "C" Voltage Out of Range (P274A1C,P274A1F)
DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs are stored when the transmission fluid temperature sensor output is abnormal. The cause of this malfunction may be one of the following: Hybrid vehicle control ECU malfunction Hybrid vehicle control ECU internal malfunction Transmission fluid temperatur ...
