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:
MONITOR DESCRIPTION While the engine is cranked, current flows from terminal STA2 of the engine stop and start ECU to terminal STA of the ECM (STA signal). If the ECM detects the starter control (STA) signal while the vehicle is being driven, it determines that there is a malfunction in the STA circuit...
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT RESERVE TANK CAP CAUTION: Do not remove the reserve tank cap and air release valve while the engine and radiator assembly are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns...
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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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