Toyota Sienna Service Manual: Engine oil pressure switch
ON-VEHICLE INSPECTION
1. INSPECT ENGINE OIL PRESSURE SWITCH ASSEMBLY
- Disconnect the connector from the oil pressure switch assembly.
- With the switch still installed, measure the resistance between the terminal of the engine oil pressure switch and engine ground.
Standard Resistance:
Engine stopped:
Below 1 Ω
Engine idling:
10 kΩ or higher
HINT: If the value is not as specified, replace the engine oil pressure switch.
Fuel sender gauge
assembly
INSPECTION
1. INSPECT FUEL SENDER GAUGE ASSEMBLY
Disconnect the connector from the fuel sender
gauge.
Check that the float moves smoothly between F and
E.
Measure th ...
Audio / visual
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Other materials:
Mechanical system tests
1. PERFORM MECHANICAL SYSTEM TESTS
(a) Measure the stall speed.
The object of this test is to check the overall
performance of the transaxle and engine by
measuring the stall speeds in the D position.
NOTICE:
Driving test should be done on a paved road
(a nonskid road).
Per ...
Reassembly
1. INSTALL MAGNETIC CLUTCH ASSEMBLY
(a) Install the magnetic clutch stator while aligning the
protrusion on the stator with the notch on the air
compressor assembly as shown in the illustration.
(b) Using a snap ring expander, install a new snap ring
with the chamfered side facing up.
...
Oxygen Sensor Circuit
HINT:
Sensor 2 refers to the sensor mounted behind the Three-Way Catalytic
Converter (TWC) and located far
from the engine assembly.
DESCRIPTION
A three-way catalytic converter (TWC) is used in order to convert the carbon
monoxide (CO), hydro
carbon (HC), and nitrogen oxides (HOx) into ...
