Toyota Avalon V6-3.5L (2GR-FE) P Code Page 2093
(c) Perform the monitor drive pattern See: Powertrain Management/Transmission Control Systems/Testing and Inspection/Monitors,
Trips, Drive Cycles and Readiness Codes.
(d) When you use Techstream:
Select the item "Powertrain / ECT / Trouble Codes".
(e) Read the DTCs using Techstream.
Result:
B -- END
A -- REPLACE TCM See: Powertrain Management/Transmission Control Systems/Relays and Modules - Transmission and
Drivetrain/Relays and Modules - A/T/Control Module/Service and Repair/Removal (to 12/2010)
U660E Automatic Transaxle (from 12/2010)
U660E AUTOMATIC TRANSAXLE: AUTOMATIC TRANSAXLE SYSTEM: P0791, P0793: Intermediate Shaft Speed Sensor "A"
Circuit
P0793 - Intermediate Shaft Speed Sensor "A"
DESCRIPTION
This sensor detects the rotation speed of the turbine which shows the input speed of transaxle. By comparing the input turbine speed signal (NC)
with the counter gear speed sensor signal (NC), the TCM detects the shift timing of the gears and appropriately controls the engine torque and
hydraulic pressure according to various conditions, thus, providing smooth gear shift.
MONITOR DESCRIPTION
The NT terminal of the TCM detects a revolution signal from the speed sensor (NT) (input RPM). The TCM calculates a gearshift comparing the
speed sensor (NT) with the speed sensor (NC).
While the vehicle is operating in 2nd, 3rd, 4th or 5th gear in the shift position of D, if the input shaft revolution is less than 300 rpm *1although the
output shaft revolution is more than 1,000 rpm *2, the TCM interprets this as a fault, illuminates the MIL and stores the DTC.
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