On-Vehicle Inspection

WARNING: This page is about a different car, the 2004 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.

CHECK ENGINE OIL LEVEL
1. After warm up the engine and then 5 minutes after the engine stop, oil level should be between the low level and full level marks of the dipstick.
If low, check for leakage and add oil up to the full level mark.

NOTE: Do not fill with engine oil above the full level mark.
CHECK ENGINE OIL QUALITY
1. Check the oil for deterioration, entry of water, discoloring or thinning.
If the quality is visibly poor, replace the oil.

Oil grade:

API grade "SL" Energy-Conserving or ILSAC multi-grade engine oil. Recommended viscosity is as shown.

Fig 1: Recommended Viscosity
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE OIL PRESSURE SWITCH ASSEMBLY
1. Disconnect the oil pressure switch connector.
2. Using a deep socket wrench 27 mm, remove the oil pressure switch.
Fig 2: Removing Oil Pressure Switch
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL OIL PRESSURE GAUGE
1. Install the oil pressure gauge.
Fig 3: Installing Oil Pressure Gauge
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
WARM UP ENGINE

CHECK OIL PRESSURE

Oil pressure:

OIL PRESSURE SPECIFICATION

At idle	29 kPa (0.3 kgf/cm² , 4.3 psi) or more
At 3,000 RPM	294 to 539 kPa (3.0 to 5.5 kgf/cm² , 43 to 78 psi)

REMOVE OIL PRESSURE GAUGE
INSTALL OIL PRESSURE SWITCH ASSEMBLY
1. Apply adhesive to 2 or 3 threads of the oil pressure switch.
  
  Fig 4: Apply Adhesive
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Adhesive:
  
  Part No. 08833-00080, THREE BOND 1344, LOCTITE 242 or equivalent
2. Using a deep socket wrench 27 mm, install the oil pressure switch.
  Torque: 15 N.m (153 kgf.cm, 11 ft.lbf)
  
  NOTE: Do not start the engine within 1 hour after the installation.
3. Connect the oil pressure switch connector.
START ENGINE AND CHECK FOR LEAKS