DESCRIPTION These DTCs are stored when a malfunction occurs in the navigation ECU.
CAUTION / NOTICE / HINT NOTICE: When replacing the navigation ECU, always replace it with a new one. If a navigation ECU which was installed to another vehicle is used, the following may occur:
PROCEDURE
(a) Clear the DTCs. Body Electrical > Navigation System > Clear DTCs(b) Recheck for DTCs and check that no DTCs are output. Body Electrical > Navigation System > Trouble CodesOK: No DTCs are output.
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Toyota Avalon Service & Repair Manual > Automatic Transaxle System: Pressure Control Solenoid "B" Actuator Stuck Off (P07757F)
DESCRIPTION Based on signals from the transmission revolution sensors (NT and NC), the actual gear is detected. The ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical malfunctions of the solenoid valves, transmission valve body assembly and automatic transaxl ...