Toyota Tundra (2015 year). Manual — part 982
Last Modified: 9-16-2014
6.6 J
Doc ID: RM000005KRN009X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM: Display Signal Circuit between Radio Receiver and
Extension Module; 2015 MY Tundra [08/2014 - ]
Display Signal Circuit between Radio Receiver and Extension Module
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
INSPECTION PROCEDURE
AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM: Display Signal C...
PROCEDURE
1.
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY -
SATELLITE RADIO TUNER ASSEMBLY)
(a) Disconnect the K5 and L2 radio and display receiver assembly connectors.
(b) Disconnect the K2 and L3 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
K5-1 (USV4) - K2-1 (USV4)
Always
Below 1 Ω
K5-2 (US4-) - K2-2 (US4-)
Always
Below 1 Ω
K5-3 (US4+) - K2-3 (US4+)
Always
Below 1 Ω
K5-4 (UGD4) - K2-4 (UGD4)
Always
Below 1 Ω
K5-5 (USG4) - K2-5 (USG4)
Always
Below 1 Ω
L2-4 (+B2) - L3-4 (+B2)
Always
Below 1 Ω
L2-3 (ACC2) - L3-3 (ACC2)
Always
Below 1 Ω
L2-8 (GND2) - L3-8 (GND2)
Always
Below 1 Ω
K5-1 (USV4) - Body ground
Always
10 kΩ or higher
K5-2 (US4-) - Body ground
Always
10 kΩ or higher
K5-3 (US4+) - Body ground
Always
10 kΩ or higher
K5-4 (UGD4) - Body ground
Always
10 kΩ or higher
K5-5 (USG4) - Body ground
Always
10 kΩ or higher
L2-4 (+B2) - Body ground
Always
10 kΩ or higher
L2-3 (ACC2) - Body ground
Always
10 kΩ or higher
L2-8 (GND2) - Body ground
Always
10 kΩ or higher
Result
RESULT
PROCEED TO
OK
A
NG (for Column Shift Type)
B
NG (for Floor Shift Type)
C
B
REPAIR OR REPLACE NO. 1 NAVIGATION WIRE
C
REPAIR OR REPLACE NO. 1 NAVIGATION WIRE
AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM: Display Signal C...
A
2.
CHECK NO. 1 NAVIGATION WIRE (LVDS COMMUNICATION LINE)
(a) Replace the No. 1 navigation wire with a known good one.
for Column Shift Type: See page
for Floor Shift Type: See page
(b) Check that the malfunction disappears.
OK.:
Malfunction disappears
NG
PROCEED TO NEXT SUSPECTED AREA SHOWN IN
PROBLEM SYMPTOMS TABLE
OK
END (NO. 1 NAVIGATION WIRE [LVDS
COMMUNICATION LINE] IS DEFECTIVE)
AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM: Display Signal C...
Last Modified: 9-16-2014
6.6 J
Doc ID: RM000002EBY05MX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM: Microphone Circuit between Microphone and Radio
Receiver; 2015 MY Tundra [08/2014 - ]
Microphone Circuit between Microphone and Radio Receiver
DESCRIPTION
This circuit sends a microphone signal from the telephone microphone assembly to the radio and display receiver
assembly.
It also supplies power from the radio and display receiver assembly to the telephone microphone assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1.
CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY
AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM: Microphone Circ...
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