Toyota Sienna Service Manual: Radio and Navigation Assembly Power Source Circuit
DESCRIPTION
This is the power source circuit to operate the radio and navigation assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT RADIO AND NAVIGATION ASSEMBLY
- Disconnect the radio and navigation assembly connector R15.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
- Measure the voltage according to the value(s) in the table below.
Standard voltage
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
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 ...
Television Display Power Source Circuit
DESCRIPTION
This is the power source circuit to operate the television display assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT TELEVISION DISPLAY ASSEMBLY
Disconnect the connec ...
Other materials:
Transmission Range Sensor Circuit Malfunction
(PRNDL Input)
DTC P0705 Transmission Range Sensor Circuit Malfunction
(PRNDL Input)
DESCRIPTION
The park/neutral position switch detects the shift lever position and sends
signals to the ECM.
HINT:
After confirming DTC P0705, use the intelligent tester to confirm the PNP switch
signal in the ALL menu ...
Oxygen (A/F) Sensor Signal Stuck
DTC P2195 Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1
Sensor 1)
DTC P2196 Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1
Sensor 1)
DTC P2197 Oxygen (A/F) Sensor Signal Stuck Lean (Bank 2
Sensor 1)
DTC P2198 Oxygen (A/F) Sensor Signal Stuck Rich (Bank 2
Sensor 1)
HINT:
Although the ...
Terminals of ECU
1. CHECK POWER SLIDE DOOR ECU LH (WITH
POWER SLIDE DOOR)
Disconnect the P25 and P26 ECU connectors, and
check the voltage and resistance of each terminal of
the wire harness side connectors.
If the result is not as specified, there may be a
malfunction on the wire harness side.
...