The following warning indicates a possible problem in the brake system.
Immediately stop the vehicle in a safe place and contact your Toyota dealer.

If a warning light turns on or a warning buzzer sounds...
Stop the vehicle immediately.Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
IG Power Supply Voltage Malfunction (C1551)
DESCRIPTION
The power steering ECU distinguishes the ignition switch status as ON or off
through the IG power source circuit.
DTC No.
DTC Detection Condition
Trouble Area
C1551
IG power source ci ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
NOTICE:
When disconnecting the steering intermediate shaft assembly and pinion shaft
of the steering gear assembly, be sure to place matchmarks before servicing.
PROCEDURE
1. PLACE FRONT WHEELS FACING STRAIGHT AHEAD
2. S ...