Toyota Sienna Service Manual: Microphone Circuit between Microphone and Radio and Navigation Assembly
DESCRIPTION
This circuit sends a microphone signal from the microphone to the radio and navigation assembly.
It also supplies power from the radio and navigation assembly to the microphone.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT RADIO AND NAVIGATION ASSEMBLY
- Measure the voltage according to the value(s) in the table below.
Standard voltage
2 CHECK HARNESS AND CONNECTOR
- Disconnect the radio and navigation assembly connector R10.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
3 CHECK HARNESS AND CONNECTOR (MICROPHONE - RADIO AND NAVIGATION ASSEMBLY)
- Disconnect the microphone connector T13 and radio and navigation assembly connector R10.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Display Signal Circuit between Television Display Assembly and Radio
and Navigation Assembly
DESCRIPTION
This circuit sends a DVD image signal from the television display assembly to
the radio and navigation
assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTO ...
Stereo Component Amplifier Communication Error
INSPECTION PROCEDURE
1 IDENTIFY THE COMPONENT SHOWN BY THE SUB-CODE
Enter the diagnostic mode.
Press the "LAN Mon" switch to change to "LAN Monitor"
mode.
&nbs ...
Other materials:
Open in Curtain Shield Squib LH Circuit
DTC B1166/88 Open in Curtain Shield Squib LH Circuit
DESCRIPTION
The curtain shield squib LH circuit consists of the center airbag sensor
assembly and the curtain shield
airbag assembly LH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1166/88 is recorde ...
Emergency flashers
The emergency flashers are used to warn other drivers when the
vehicle has to be stopped in the road due to a breakdown, etc.
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch
once again.
Emergency flashers
If the emergency flashers are used f ...
Vehicle Position Mark Deviates Greatly
INSPECTION PROCEDURE
1 CHECK GPS MARK
Check that the GPS mark is displayed.
OK:
GPS mark is displayed
2 CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)
Enter the "Navigation Check" mode (Vehicle Sensors).
While driving the vehicle, compare the "Speed" i ...
