Engine Lubrication: Testing and Inspection

1NZ-FXE LUBRICATION: LUBRICATION SYSTEM: ON-VEHICLE INSPECTION

ON-VEHICLE INSPECTION

1. CHECK ENGINE OIL LEVEL
(a) Warm up the engine, then stop the engine and wait for 5 minutes. Check that the engine oil level is between the low and full marks on the oil level gauge.
If the engine oil is low, check for oil leaks and add engine oil up to the full mark.
NOTE: Do not add engine oil above the full mark.

2. CHECK ENGINE OIL QUALITY
(a) Check the oil for deterioration, water intrusion, discoloring or thinning.
If the oil quality is visibly poor, replace the oil.
3. CHECK OIL PRESSURE





(a) Remove the engine oil pressure switch assembly.
(1) Disconnect the oil pressure switch connector.
(2) Using a 24 mm deep socket wrench, remove the oil pressure switch.





(b) Install an oil pressure gauge.
(1) Install the adaptor, then install an oil pressure gauge.
(c) Set the vehicle to inspection mode Component Tests and General Diagnostics.
(d) Warm up the engine.
(e) Check the oil pressure. If the oil pressure is not specified, check the oil pump ( Testing and Inspection).
Standard oil pressure:






(f) Remove the oil pressure gauge.





(g) Install the engine oil pressure switch.
(1) Apply adhesive to the threads.
Adhesive:
Toyota Genuine Adhesive 1324, Three Bond 1324 or Equivalent
(2) Using a 24 mm deep socket wrench, install the oil pressure switch.
Torque: 15 Nm (153 kgf-cm, 11 ft-lbf)
NOTE: Do not start the engine within 1 hour of installation.
(3) Connect the oil pressure switch connector.
4. INSPECT FOR OIL LEAK