DESCRIPTION
The stereo component tuner assembly sends the sound data signal or image data signal from a device to the radio and display receiver assembly via this circuit.
WIRING DIAGRAM
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - STEREO COMPONENT TUNER ASSEMBLY) |
(a) Disconnect the s5 and t3 radio and display receiver assembly connectors.
(b) Disconnect the s2 and t2 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 |
---|---|---|
s5-1 (USV4) - s2-1 (USV4) |
Always |
Below 1 Ω |
s5-2 (US4-) - s2-2 (US4-) |
Always |
Below 1 Ω |
s5-3 (US4+) - s2-3 (US4+) |
Always |
Below 1 Ω |
s5-4 (UGD4) - s2-4 (UGD4) |
Always |
Below 1 Ω |
s5-5 (USG4) - s2-5 (USG4) |
Always |
Below 1 Ω |
t3-4 (+B2) - t2-4 (+B2) |
Always |
Below 1 Ω |
t3-3 (ACC2) - t2-3 (ACC2) |
Always |
Below 1 Ω |
t3-8 (GND2) - t2-8 (GND2) |
Always |
Below 1 Ω |
s5-1 (USV4) - Body ground |
Always |
10 kΩ or higher |
s5-2 (US4-) - Body ground |
Always |
10 kΩ or higher |
s5-3 (US4+) - Body ground |
Always |
10 kΩ or higher |
s5-4 (UGD4) - Body ground |
Always |
10 kΩ or higher |
s5-5 (USG4) - Body ground |
Always |
10 kΩ or higher |
t3-4 (+B2) - Body ground |
Always |
10 kΩ or higher |
t3-3 (ACC2) - Body ground |
Always |
10 kΩ or higher |
t3-8 (GND2) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS AND CONNECTOR |
|
2. |
REPLACE NO. 1 NAVIGATION WIRE |
(a) Replace the No. 1 navigation wire (See page
).
(b) Check that the malfunction disappears.
OK:
Malfunction disappears.
OK | ![]() |
END (NO. 1 NAVIGATION WIRE IS DEFECTIVE) |
NG | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
System Diagram
SYSTEM DIAGRAM
1. DOOR BUS LINES
2. CERTIFICATION BUS LINES (w/ Smart Key System)
3. AIR CONDITIONING BUS LINES
4. SUB-LIN BUS LINES
5. DRIVE MONITOR SWITCH BUS LINES (w/ CRAWL Control)
...
Installation
INSTALLATION
PROCEDURE
1. INSTALL REAR DIFFERENTIAL CARRIER ASSEMBLY
(a) Remove any dust and oil from the differential carrier assembly and the contact
surfaces of the axle housing.
(b) Install a new gasket and the differential carrier assembly with the ...