Toyota Tacoma 2015-2018 Service Manual: Data Signal Circuit between Radio Receiver and Extension Module
DESCRIPTION
The stereo component tuner assembly sends the image data signal to the radio and display receiver assembly via this circuit.
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK NO. 1 NAVIGATION WIRE |
(a) Disconnect the R33 radio and display receiver assembly connector.
(b) Disconnect the S53 stereo component tuner assembly connector.
|
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| OK | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPLACE NO. 1 NAVIGATION WIRE |
Data Signal Circuit between Radio Receiver and Stereo Jack Adapter
DESCRIPTION
The No. 1 stereo jack adapter assembly sends the sound data signal or image data
signal from a USB device to the radio and display receiver assembly via this circuit.
WIRING DIAGRAM
...
Microphone Circuit between Microphone and Radio Receiver
DESCRIPTION
The radio and display receiver assembly and telephone microphone assembly are
connected to each other using the microphone connection detection signal lines.
Using this circuit, the ra ...
Other materials:
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT CAMSHAFT TIMING GEAR BOLT
(a) Remove the camshaft timing oil control solenoid assembly (See page
).
(b) Check that the plunger strokes when the plunger in the center of
the camshaft timing gear bolt is pressed.
Standard stroke:
4 ...
System Diagram
SYSTEM DIAGRAM
Transmitting ECU (Transmitter)
Receiving ECU
Signal
Communication Method
4 wheel drive control ECU
Skid control ECU (Brake actuator assembly)
Rear differential lock status signal
H ...
Lock Switch Circuit
WIRING DIAGRAM
PROCEDURE
1.
CHECK REAR DIFFERENTIAL LOCK INDICATOR LIGHT
(a) Turn the ignition switch to ON.
(b) for 4WD:
Finish switching to L4.
(c) Check the rear differential lock indicator light.
(d) Press the differential lock switch.
(e) After 60 secon ...