Toyota Tundra (2015 year). Manual — part 976
Last Modified: 9-16-2014
6.6 J
Doc ID: RM0000011F30QCX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM: Parking Brake Switch Circuit; 2015 MY Tundra [08/2014 -
]
Parking Brake Switch Circuit
DESCRIPTION
This circuit is from the parking brake switch assembly to the radio and display receiver assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1.
CHECK PARKING BRAKE SWITCH ASSEMBLY
(a) Enter the "Vehicle Signal Check Mode" screen. [Refer to Check
Touch Switch in Operation Check
]
(b) Check that the display changes between ON and OFF according to the parking brake operation.
OK:
AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM: Parking Brake S...
OK
PARKING BRAKE CONDITION
DISPLAY
Applied
ON
Released
OFF
HINT:
This display is updated once per second. As a result, it is normal for the display to lag behind the actual
parking brake operation.
NG
GO TO STEP 2
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN
PROBLEM SYMPTOMS TABLE
2.
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY -
PARKING BRAKE SWITCH ASSEMBLY)
(a) Disconnect the J139 radio and display receiver assembly connector.
(b) Disconnect the A5 parking brake switch assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
J139-15 (PKB) - A5-1
Always
Below 1 Ω
J139-15 (PKB) - Body ground
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
3.
INSPECT PARKING BRAKE SWITCH ASSEMBLY
(a) Remove the parking brake switch assembly
.
(b) Inspect the parking brake switch assembly
.
NG
REPLACE PARKING BRAKE SWITCH ASSEMBLY
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN
PROBLEM SYMPTOMS TABLE
AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM: Parking Brake S...
AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM: Parking Brake S...
Last Modified: 9-16-2014
6.6 J
Doc ID: RM000001XJI0BYX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM: Speaker Circuit; 2015 MY Tundra [08/2014 - ]
Speaker Circuit
DESCRIPTION
The radio and display receiver assembly sends sound signals to the speakers.
WIRING DIAGRAM
AUDIO / VISUAL: AUDIO AND VISUAL SYSTEM: Speaker Circuit;...
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