DESCRIPTION
When a USB device or "iPod" is connected to the USB jack of the No. 1 stereo jack adapter assembly, it must have playable files. The device must also communicate with and be recognized by the navigation receiver assembly. This diagnosis procedure is for when a device is not recognized, or files from the device cannot be played normally.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. |
CHECK USB DEVICE OR "iPod" |
(a) Disconnect the USB device or "iPod" from the No. 1 stereo jack adapter assembly.
(b) Check if playable files are present on the USB device or "iPod".
HINT:
Refer to System Description for playable files (See page
).
(c) Check if the USB device is a compatible format or "iPod" is a compatible version.
HINT:
Refer to System Description for compatible formats and versions (See page
).
Result |
Proceed to |
---|---|
No playable files exist, or incompatible device format or version |
A |
Playable files exist, and compatible device format or version |
B |
A | ![]() |
USB DEVICE FORMAT WAS INCOMPATIBLE, "iPod" VERSION WAS INCOMPATIBLE, OR NO PLAYABLE FILES PRESENT |
|
2. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) |
(a) Disconnect the N3 No. 1 stereo jack adapter assembly connector.
(b) Disconnect the N22 navigation receiver assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
N3-1 (UPI) - N22-1 (UPO) |
Always |
Below 1 Ω |
N3-2 (UDO-) - N22-2 (UDO-) |
Always |
Below 1 Ω |
N3-3 (UDO+) - N22-3 (UDO+) |
Always |
Below 1 Ω |
N3-4 (UJSG) - N22-4 (UESG) |
Always |
Below 1 Ω |
N3-1 (UPI) - Body ground |
Always |
10 kΩ or higher |
N3-2 (UDO-) - Body ground |
Always |
10 kΩ or higher |
N3-3 (UDO+) - Body ground |
Always |
10 kΩ or higher |
N3-4 (UJSG) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT NAVIGATION RECEIVER ASSEMBLY (NO. 1 STEREO JACK ADAPTER ASSEMBLY POWER SOURCE) |
(a) Reconnect the N22 navigation receiver assembly connector.
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
NG | ![]() |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
|
4. |
FORMAT USB DEVICE OR RESTORE "iPod" AND RECHECK |
(a) Delete all files in the USB device or "iPod" and format/restore it.
(b) Save the data again and check if it can be played on the in-vehicle device.
NOTICE:
Formatting a USB device or restoring an "iPod" erases all music on the device. Ensure that backup music data is available before performing this operation.
OK:
Malfunction disappears.
OK | ![]() |
END |
|
5. |
REPLACE USB DEVICE OR "iPod" |
(a) Turn the ignition switch off.
HINT:
When one of these DTCs has been stored, it is necessary to turn off the ignition switch to make it possible for the vehicle to recognize a new device when it is connected.
(b) Turn the ignition switch to ACC.
(c) Connect a known good USB device or "iPod" to the No. 1 stereo jack adapter assembly.
HINT:
|
6. |
CHECK USB DEVICE OR "iPod" |
(a) Check if a USB device or "iPod" is recognized by the navigation receiver assembly, and if information such as track, artist and album names are displayed on the screen.
OK:
Malfunction disappears.
OK | ![]() |
USB DEVICE OR "iPod" WAS INCOMPATIBLE OR DEFECTIVE |
NG | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE TELEPHONE MICROPHONE ASSEMBLY
Click here
2. REMOVE MICROPHONE CASE
HINT:
Use the same procedure for Double Cab.
Click here
3. REMOVE NO. 1 ROOF WIRE (w/ Vanity Light)
(a) w/ EC Mirror:
(1) Remove the No. 1 roof wire.
...
Rear Power Outlet Switch
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT MAIN SWITCH ASSEMBLY
(a) Check the main switch assembly.
(1) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*a
Com ...
System Description
SYSTEM DESCRIPTION
1. DESCRIPTION
A part-time 2-speed VF2CM transfer uses a touch select 2-4 and high-low
system, enabling the driver to switch between 2WD, H4 and L4 modes by turning
the transfer position switch.
Through these switch signals, the 4 wheel drive control ECU actua ...