Toyota Tacoma (2015-2018) Service Manual: 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, sound cannot be heard from the speakers even if there is no malfunction in the stereo component amplifier assembly, navigation receiver assembly or speakers.
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) |
(a) Disconnect the N25 navigation receiver assembly connector.
(b) Disconnect the N3 No. 1 stereo jack adapter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
N25-25 (ADPG) - N3-8 (AUXO) |
Always |
Below 1 Ω |
|
N25-26 (VAR+) - N3-5 (ARO) |
Always |
Below 1 Ω |
|
N25-28 (VAL+) - N3-6 (ALO) |
Always |
Below 1 Ω |
|
N25-27 (VA-) - N3-7 (ASGN) |
Always |
Below 1 Ω |
|
N25-11 (AGND) - N3-9 (AGND) |
Always |
Below 1 Ω |
|
N25-25 (ADPG) - Body ground |
Always |
10 kΩ or higher |
|
N25-26 (VAR+) - Body ground |
Always |
10 kΩ or higher |
|
N25-28 (VAL+) - Body ground |
Always |
10 kΩ or higher |
|
N25-27 (VA-) - Body ground |
Always |
10 kΩ or higher |
|
N25-11 (AGND) - Body ground |
Always |
10 kΩ or higher |
| OK | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Data Signal Circuit between Stereo Jack Adapter and Extension Module
DESCRIPTION
The No. 1 stereo jack adapter assembly sends the sound data signal or image data
signal from a USB device to the navigation receiver assembly via this circuit.
WIRING DIAGRAM
PROCED ...
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 / NOT ...
Other materials:
Short to GND in Outer Mirror Indicator(Slave) (C1AB3)
DESCRIPTION
This DTC is stored when the blind spot monitor sensor RH detects a ground short
in the blind spot monitor indicator RH.
DTC Code
DTC Detection Condition
Trouble Area
C1AB3
With the blind spot monitor main switch assembly (w ...
Parts Location
PARTS LOCATION
ILLUSTRATION
*A
for Double Cab
*B
for Access Cab
*C
w/ Back Door Power Window
-
-
*1
NO. 1 BACK PANEL PELAY
*2
NO. 2 BACK PANEL RELAY
...
Rear differential lock system
The rear differential lock system is provided for use only when wheel spinning
occurs in a ditch or on a slippery or rugged surface.
The rear differential lock system is effective in case one of the rear wheels
is spinning.
Press the RR DIFF LOCK switch to lock the rear differential.
At thi ...
