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.
-
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...
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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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