Toyota Yaris: Vacuum Pump / On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
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2. DISCONNECT UNION TO CONNECTOR TUBE HOSE
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3. OPERATION CHECK
(a) Connect the hose of the vacuum gauge to the vacuum pump assembly. | |
(b) Start the engine and warm it up for more than 2 minutes.
(c) With the engine idling, check the vacuum of the vacuum pump assembly.
Standard Pressure:
More than 86.7 kPa (650 mmHg, 25.6 in.Hg)
HINT:
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If the pressure is less than the standard, replace the vacuum pump assembly.
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Always perform this operation check procedure after replacing the vacuum pump assembly.
(d) Remove the vacuum gauge from the vacuum pump assembly.
4. CONNECT UNION TO CONNECTOR TUBE HOSE
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5. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY
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COMPONENTS ILLUSTRATION
*1 NO. 1 ENGINE UNDER COVER ASSEMBLY - -
N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION
*1 NO...
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 vacuum pump assembly removal/installation are shown below...
Other information:
DESCRIPTION
The oil pressure sensor (engine oil pressure and temperature sensor) utilizes a semiconductor type pressure sensor that changes resistance in accordance with changes in pressure. An internal electrical signal that varies with the change in resistance is amplified and sent to the ECM as the engine oil pressure signal...
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table...
Categories
Stop the vehicle completely.
Manual transaxle:
Shift into neutral and set the parking brake.
Automatic transaxle:
Shift the selector lever to the P position and set the parking brake.
Press the push button start to turn off the engine. The ignition position is
off.
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