The following warning indicates the possibility of damage to the vehicle that may lead to an accident. Immediately stop the vehicle in a safe place and contact your Toyota dealer.

Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.
Have the vehicle inspected immediately.Intermediate Shaft Speed Sensor "A" Circuit (P0791,P0793)
DESCRIPTION
This sensor detects the rotation speed of the counter gear which shows the output
speed of transaxle. By comparing the input turbine speed signal (NT) with the counter
gear speed sensor signal (NC), the TCM detects the shift timing of the gear ...
Camshaft Position Sensor
Components
COMPONENTS
ILLUSTRATION
Installation
INSTALLATION
PROCEDURE
1. INSTALL CAMSHAFT POSITION SENSOR (for Exhaust Side)
(a) Apply a light coat of engine oil to the O-ring of the camshaft position sensor.
NOTICE:
If reusing the camshaft pos ...
Vehicle Speed Signal Malfunction (C1541)
DESCRIPTION
The power steering ECU receives vehicle speed signals from the brake actuator
assembly (skid control ECU) via CAN communication. The ECU provides appropriate
assisting force in accordance with the vehicle speed, based on the signals.
...