ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT BRAKE BOOSTER ASSEMBLY
(a) Airtightness check
(1) Start the engine and stop it after 1 or 2 minutes. Slowly depress the brake pedal several times. If the pedal can be depressed nearly to the floor the first time, but on the 2nd and 3rd time cannot be depressed as far, the brake booster assembly is airtight. |
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(2) Depress the brake pedal while the engine is running, and stop the engine with the brake pedal depressed.
If there is no change in the pedal reserve distance while holding the pedal depressed for 30 seconds, the brake booster assembly is airtight.
(b) Operation check
(1) Depress the brake pedal several times with the ignition switch off and check that there is no change in the pedal reserve distance when the pedal is depressed. |
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(2) Depress and hold the brake pedal, then start the engine. If the pedal goes down slightly, operation is normal. |
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Toyota CH-R Service Manual > Blind Spot Monitor System: Software Incompatibility with Body Control Module "B" (U1331)
DESCRIPTION
This DTC is stored when the destination information of the main body ECU (multiplex
network body ECU) does not match that of the blind spot monitor sensors.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U1331
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Toyota CH-R Service Manual > Brake (front): Front Brake Flexible Hose
Components
COMPONENTS
ILLUSTRATION
*1
FRONT FLEXIBLE HOSE
*2
GASKET
*3
BRAKE LINE
*4
FRONT SPEED SENSOR
*5
UNION BOLT
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