Toyota CH-R Service Manual > Brake Booster: Inspection
INSPECTION
PROCEDURE
1. INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY
(a) Check that there is ventilation from the booster to the engine, and
no ventilation from the engine to the booster.
If the results are not as specified, replace the brake vacuum check valve
assembly.
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Toyota CH-R Service Manual > Steering Lock System: Open / Short in Steering Lock ECU (B2781)
DESCRIPTION
The steering lock ECU and steering lock motor are built into the steering lock
actuator or upper bracket assembly.
The steering lock ECU (steering lock actuator or upper bracket assembly) detects
whether the steering lock is in the lock or unlock position by using the lock sensor
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