Toyota Tacoma (2015-2018) Service Manual: Data Signal Circuit between Navigation Receiver Assembly and Extension Module
DESCRIPTION
The stereo component tuner assembly sends the sound data signal or image data signal from a device to the navigation receiver assembly via this circuit.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
After replacing the stereo component tuner assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary.
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO COMPONENT TUNER ASSEMBLY) |
(a) Disconnect the N19, N27 and N28 navigation receiver assembly connectors.
(b) Disconnect the S52, S53 and S54 stereo component tuner assembly connectors.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
N27-1 (USV4) - S53-1 (USV4) |
Always |
Below 1 Ω |
|
N27-2 (US4-) - S53-2 (US4-) |
Always |
Below 1 Ω |
|
N27-3 (US4+) - S53-3 (US4+) |
Always |
Below 1 Ω |
|
N27-4 (UGO4) - S53-4 (UGO4) |
Always |
Below 1 Ω |
|
N27-5 (USG4) - S53-5 (USG4) |
Always |
Below 1 Ω |
|
N19-4 (+B2) - S52-4 (+B2) |
Always |
Below 1 Ω |
|
N19-3 (ACC2) - S52-3 (ACC2) |
Always |
Below 1 Ω |
|
N19-8 (GND2) - S52-8 (GND2) |
Always |
Below 1 Ω |
|
N28-1 (LVDS) - S54-1 (LVDS) |
Always |
Below 1 Ω |
|
N27-1 (USV4) - Body ground |
Always |
10 kΩ or higher |
|
N27-2 (US4-) - Body ground |
Always |
10 kΩ or higher |
|
N27-3 (US4+) - Body ground |
Always |
10 kΩ or higher |
|
N27-4 (UGO4) - Body ground |
Always |
10 kΩ or higher |
|
N27-5 (USG4) - Body ground |
Always |
10 kΩ or higher |
|
N19-4 (+B2) - Body ground |
Always |
10 kΩ or higher |
|
N19-3 (ACC2) - Body ground |
Always |
10 kΩ or higher |
|
N19-8 (GND2) - Body ground |
Always |
10 kΩ or higher |
|
N28-1 (LVDS) - Body ground |
Always |
10 kΩ or higher |
| NG | .gif) |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
.gif)
|
2. |
CHECK NO. 1 NAVIGATION WIRE |
(a) Replace the No. 1 navigation wire with a known good one (See page
.gif)
).
(b) Check that the malfunction disappears.
OK:
Malfunction disappears.
| OK | |
END (NO. 1 NAVIGATION WIRE WAS DEFECTIVE) |
| NG | |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter
DESCRIPTION
The No. 1 stereo jack adapter assembly sends the sound signal from an external
device to the navigation receiver assembly via this circuit.
If there is an open or short in the circuit, ...
Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier
DESCRIPTION
This circuit sends a signal to the stereo component amplifier assembly to mute
noise. Because of that, the noise produced by changing the sound source ceases.
If there is an open in th ...
Other materials:
Utility
UTILITY
NOTICE:
When replacing the millimeter wave radar sensor assembly, always replace
it with a new one. If a millimeter wave radar sensor assembly which was
installed to another vehicle is used, the information stored in it will
not match the information from the vehicle. A ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. SUPPLEMENTAL RESTRAINT SYSTEM DTC CHECK (USING SST CHECK WIRE)
(a) Check the DTCs (Present DTCs).
(1) Turn the ignition switch to ON, and wait for approximately 60 seconds.
(2) Using SST, connect terminals TC and CG of the DLC3.
SST: 09843-18040
NOTICE:
Connect the term ...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL FRONT BUMPER COVER INSERT LH
(a) Engage the clip to install the front bumper cover insert LH.
(b) Install the bolt.
Torque:
5.9 N·m {60 kgf·cm, 52 in·lbf}
2. INSTALL FRONT BUMPER COVER INSERT RH
HINT:
U ...
