Toyota Sienna Service Manual: Starter relay
On-vehicle inspection
1. Inspect starter relay
(a) Using an ohmmeter, measure the resistance between each terminal.
Standard resistance 
If the result is not as specified, replace the starter relay assembly.
Installation
1. INSTALL STARTER ASSEMBLY
(a) Install the starter with the 2 bolts.
Torque: 37 N*m (380 kgf*cm, 26 ft.*lbf) for bolt
(b) Connect the starter connector.
(c) Install the terminal nut a ...
Ignition switch
Components
...
Other materials:
ECM / PCM Processor
DESCRIPTION
The ECM continuously monitors its internal processors (CPUs), A/F sensor
transistors and heated oxygen
sensor (HO2S) transistors. This self-check ensures that the ECM is functioning
properly. These are
diagnosed by internal "mirroring" of the main and sub CPUs to det ...
Crankshaft Position Sensor
DESCRIPTION
The Crankshaft Position (CKP) sensor system consists of a CKP sensor plate
and a pickup coil. The
sensor plate has 34 teeth and is installed on the crankshaft. The pickup coil is
made of an iron core and a
magnet.
The sensor plate rotates as each tooth passes through the pi ...
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 the resistance between terminals 1 and 2
of the connector according to the value(s) in the
table b ...
