Parts location

System diagram
The starting system rotates the starter motor according to the signals from the ignition switch and pnp switch.

2Gr-fe starting
StarterProblem symptoms table
ENTIRE SYSTEM
METER GAUGES
WARNING LIGHTS
INDICATOR LIGHTS
BUZZER
ACCESSORY METER ASSEMBLY
...
Mute Signal Circuit between Radio and Navigation Assembly and
Television Display Assembly
DESCRIPTION
The radio and navigation assembly controls the volume according to the MUTE
signal from the television
display assembly.
The MUTE signal is sent to reduce noise and a popping sound generated when
switching the mode, etc.
If there is an open in the circuit, noise can be heard ...
Symptom confirmation and diagnostic trouble code
HINT:
The diagnostic system in the SIENNA has various
functions.
The first function is the Diagnostic Trouble Code
(DTC) check. A DTC is a code stored in the ECU
memory whenever a malfunction in the signal circuits
to the ECU occurs. In a DTC check, a previous
malfunction's DTC can be ...