Toyota Yaris: Vacuum Pump / Components
COMPONENTS
ILLUSTRATION
| *1 | NO. 1 ENGINE UNDER COVER ASSEMBLY | - | - |
 | N*m (kgf*cm, ft.*lbf): Specified torque | - | - |
ILLUSTRATION
| *1 | NO. 1 ENGINE COVER SUB-ASSEMBLY | *2 | FUEL TUBE SUB-ASSEMBLY |
| *3 | NO. 1 FUEL VAPOR FEED HOSE | *4 | ENGINE WIRE |
| *5 | OUTLET HEATER WATER HOSE | *6 | NO. 1 WATER BY-PASS PIPE |
 | N*m (kgf*cm, ft.*lbf): Specified torque | - | - |
ILLUSTRATION
| *1 | UNION TO CONNECTOR TUBE HOSE | *2 | NO. 3 VACUUM TRANSMITTING HOSE |
| *3 | VACUUM PUMP ASSEMBLY | *4 | NO. 2 O-RING |
| *5 | NO. 4 O-RING | - | - |
 | N*m (kgf*cm, ft.*lbf): Specified torque | ● | Non-reusable part |
 | Engine Oil | - | - |
Vacuum Pump
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On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY Click here
2. DISCONNECT UNION TO CONNECTOR TUBE HOSE Click here
3. OPERATION CHECK (a) Connect the hose of the vacuum gauge to the vacuum pump assembly...
Other information:
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during the rear No. 1 differential mount cushion replacement are shown below...
Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Rough Idling
DESCRIPTION Problem Symptom Suspected Area Trouble Area Engine speed fluctuation due to abnormal combustion Idle speed too low or high Strong engine vibration due to above symptoms Ignition malfunction Deviation in air fuel ratio (Excessive or insufficient intake air volume or fuel supply) Insufficient compression Changes in load from another system Ignition system Spark plug Ignition coil assembly Fuel system Direct fuel injector assembly Port fuel injector assembly Fuel pump assembly (for high pressure side) Fuel pump (for low pressure side) Fuel pump control circuit Fuel line Purge VSV system Fuel quality (existence of foreign matter, degradation) Intake and exhaust systems Mass air flow meter sub-assembly Intake system (Air leaks or deposit accumulation) Throttle body with motor assembly Air fuel ratio sensor (sensor 1) Air fuel ratio sensor (sensor 2) Cam timing oil control solenoid assembly Variable Valve Timing system (VVT system) Other control systems ECM Wire harness or connector Knock control sensor Engine coolant temperature sensor Engine Water control valve Engine assembly Engine mount High load from another system Air conditioning system Power steering system Electrical load signal system SYMPTOM AND CAUSE OF SYSTEM MALFUNCTION HINT: The following are descriptions of the characteristics of each system malfunction...
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Supplemental Restraint System (SRS) Precautions
The front and side supplemental restraint systems (SRS) include different types of air bags. Please verify the different types of air bags which are equipped on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators are visible in the area where the air bags are installed.
The air bags are installed in the following locations:
The steering wheel hub (driver air bag) The front passenger dashboard (front passenger air bag) The outboard sides of the front seatbacks (side air bags) The front and rear window pillars, and the roof edge along both sides (curtain air bags)