Toyota Tundra (2015 year). Manual — part 120
Last Modified: 9-16-2014
6.6 J
Doc ID: RM000002EBY05NX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: NAVIGATION: NAVIGATION SYSTEM: Microphone Circuit between Microphone and Navigation Receiver
Assembly; 2015 MY Tundra [08/2014 - ]
Microphone Circuit between Microphone and Navigation Receiver Assembly
DESCRIPTION
This circuit sends a microphone signal from the telephone microphone assembly to the navigation receiver
assembly.
It also supplies power from the navigation receiver assembly to the telephone microphone assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1.
CHECK NAVIGATION RECEIVER ASSEMBLY
NAVIGATION: NAVIGATION SYSTEM: Microphone Circuit between...
A
(a) Measure the resistance according to the value(s) in the table
below.
Standard Resistance:
TESTER CONNECTION
CONDITION SPECIFIED CONDITION
J135-19 (MIN-) - Body ground
Always
Below 1 Ω
J135-18 (SGND) - Body ground
Always
Below 1 Ω
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
J135-4 (MACC) - Body ground
Ignition switch ACC
4.75 to 5.25 V
Text in Illustration
*a
Component with harness connected
(Navigation Receiver Assembly)
Result
RESULT
PROCEED TO
OK
A
NG (for Column Shift Type)
B
NG (for Floor Shift Type)
C
B
REPLACE NAVIGATION RECEIVER ASSEMBLY
C
REPLACE NAVIGATION RECEIVER ASSEMBLY
2.
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - ROOF
CONSOLE BOX ASSEMBLY)
(a) Disconnect the J135 navigation receiver assembly connector.
Standard Resistance:
NAVIGATION: NAVIGATION SYSTEM: Microphone Circuit between...
OK
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
J135-4 (MACC) - W7-10 (ACC)
Always
Below 1 Ω
J135-5 (MIN+) - W7-9 (MI1+)
Always
Below 1 Ω
J135-19 (MIN-) - W7-8 (MIC-)
Always
Below 1 Ω
J135-6 (SNS2) - W7-14 (SGND)
Always
Below 1 Ω
J135-4 (MACC) - Body ground
Always
10 kΩ or higher
J135-5 (MIN+) - Body ground
Always
10 kΩ or higher
J135-19 (MIN-) - Body ground
Always
10 kΩ or higher
J135-18 (SGND) - Body ground
Always
10 kΩ or higher
J135-6 (SNS2) - Body ground
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
3.
CHECK TELEPHONE MICROPHONE ASSEMBLY
(a) Replace the telephone microphone assembly with a known good one
.
(b) Check if the same problem occurs again.
OK:
Malfunction disappears.
NG
REPLACE ROOF CONSOLE BOX ASSEMBLY
OK
END (TELEPHONE MICROPHONE ASSEMBLY IS
DEFECTIVE)
NAVIGATION: NAVIGATION SYSTEM: Microphone Circuit between...
Last Modified: 9-16-2014
6.6 J
Doc ID: RM000004F1A00HX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: NAVIGATION: NAVIGATION SYSTEM: Stereo Component Amplifier Power Source Circuit; 2015 MY Tundra
[08/2014 - ]
Stereo Component Amplifier Power Source Circuit
DESCRIPTION
This circuit provides power to the stereo component amplifier assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
NAVIGATION: NAVIGATION SYSTEM: Stereo Component Amplifier...
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