Toyota Highlander Service Manual: On-vehicle inspection
Toyota Highlander Service Manual / Emission control / Intake air control system (3MZ-FE) / On-vehicle inspection
1. INSPECT INTAKE AIR CONTROL SYSTEM
(a) Using a 3-way connector, connect a vacuum gauge to the actuator hose.
(b) Connect the hand-held tester to the DLC3.
(c) Start the engine.
(d) On the hand-held tester, enter the ACTIVE TEST mode.
Standard:
Inspection
1. INSPECT INTAKE AIR CONTROL VALVE ASSY NO.2
(a) Apply 26.7 kPa (200 mmHg, 7.9 in.Hg) of vacuum to the
actuator. Check if the actuator rod pulls the lever and
causes the valve to rotate open, ...
More about Toyota Highlander:
Overhaul
1. REMOVE OIL PUMP RELIEF VALVE
(a) Remove the plug, spring and relief valve.
2. INSPECT OIL PUMP RELIEF VALVE
(a) Apply a light coat of engine oil to the oil pump relief valve
(b) Check that the valve falls smoothly into the valve hole by
its own weight.
If it does not, replace the relief ...
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