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:
Inspection
1. Inspect no. 3 Intake air control valve
assembly
(A) inspect actuator operation.
(1) With 26.7 Kpa (200 mm hg, 7.9 In. Hg) of
vacuum applied to the actuator, check that the
actuator rod moves.
(2) One minute after applying the vacuum, check
that the actuator rod does not return.
...
How to proceed with
troubleshooting
HINT:
Use this procedure to troubleshoot the front power seat
control system.
The intelligent tester should be used in steps 3 and 5.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS CHECK AND PROBLEM SYMPTOM CHECK
3 CHECK COMMUNICATION FUNCTION OF MULTIPLEX COMMUNI ...
Communication Error from Distance Control
ECU to ECM
DTC P1615 Communication Error from Distance Control
ECU to ECM
DTC U1101 Lost Communication with Distance Control
ECU
DESCRIPTION
The distance control ECU receives information about the area in front of the
vehicle from the laser sensor
and then sends a brake control demand signal (decelerat ...
