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 |
Removal
REMOVAL
CAUTION / NOTICE / HINT
CAUTION:
Wear protective gloves. Sharp areas on the parts may injure your hands.
PROCEDURE
1. REMOVE REAR SEAT HEADREST ASSEMBLY
(a) Remove the headrest.
2. REMOVE REAR SEAT TRACK INNER BRACKET COVER
(a) Using a mouldi ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of ...