Toyota Sienna Service Manual: Radio Receiver Power Source Circuit
DESCRIPTION
This circuit provides power to the radio receiver.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT RADIO RECEIVER ASSEMBLY
- Disconnect the radio receiver connector.
- Measure the resistance according to the value in the table below.
Standard resistance
- Measure the voltage according to the values in the table below.
Standard voltage
*1: 10 Speaker without Navigation System
*2: 6 Speaker with Rear Seat Entertainment System
*3: 6 Speaker without Rear Seat Entertainment System
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Television Display Assembly Communication Error
INSPECTION PROCEDURE
1 IDENTIFY THE COMPONENT SHOWN BY THE SUB-CODE
Enter the diagnostic mode.
Press the preset switch "3" to change to "Detailed
Information Mode" ...
Stereo Component Amplifier Power Source Circuit
DESCRIPTION
This circuit provides power to the stereo component amplifier.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT STEREO COMPONENT AMPLIFIER
Disconnect the stereo component ampl ...
Other materials:
On-vehicle inspection
1. INSPECT COOLING FAN SYSTEM
(a) Put the vehicle in the following conditions
(1) The engine switch is off.
(2) The coolant temperature is less than 95°C
(203°F).
(3) The battery voltage is between 9 and 14 V.
(4) The A/C switch is OFF.
(b) Clamp the 400 A probe of an ammeter over the ...
Transmission Fluid Temperature Sensor "A"
DESCRIPTION
The ATF (Automatic Transmission Fluid) temperature sensor converts the fluid
temperature into a
resistance value which is input into the ECM.
The ECM applies a voltage to the temperature sensor through ECM terminal THO1.
The sensor resistance changes with the transmission f ...
Diagnostic trouble code chart
HINT:
If a trouble code is displayed during the DTC check, check
the circuit indicated by the DTC. For details of each code,
turn to the page for the respective DTC Code. in the DTC
chart.
Inspect the fuse and relay before investigating the trouble
areas as shown in the table below.
...