Toyota Tacoma (2015-2018) Service Manual: Panel Switches do not Function
PROCEDURE
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1. |
CHECK PANEL SWITCH |
(a) Check for foreign matter around the switches that might prevent operation.
OK:
No foreign matter is found.
| NG | .gif) |
REMOVE ANY FOREIGN MATTER FOUND |
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2. |
CHECK PANEL SWITCH (OPERATION CHECK) |
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(a) Enter the "Panel & Steering Switch Check Mode" screen. Refer to Check
Panel & Steering Switch in Operation Check (See page
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(b) Operate the abnormal switch and check if the switch status is correctly displayed.
OK:
The switch status is correctly displayed as operated.
| OK | |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
| NG | |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
Illumination for Panel Switch does not Come on with Tail Switch ON
PROCEDURE
1.
CHECK VEHICLE SIGNAL (OPERATION CHECK)
(a) Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal
in Operation Check (Se ...
Screen Flicker or Color Distortion
PROCEDURE
1.
CHECK DISPLAY SETTING
(a) Reset display settings (contrast, brightness) and check that the screen appears
normal.
OK:
The display returns to normal. ...
Other materials:
Output Shaft
Components
COMPONENTS
ILLUSTRATION
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE FRONT OUTPUT SHAFT BEARING
(a) Temporarily install the manual transmission output shaft rear set
nut to the output shaft.
Text in Illustration
*1
Manual ...
Transmission Fluid Temperature Sensor "B" Circuit Short to Battery or Open (P274015)
DESCRIPTION
The No. 2 ATF temperature sensor is installed in the transmission valve body
assembly.
If the ECM detects an abnormally high ATF temperature near this sensor, it illuminates
the warning indicator.
HINT:
The temperature of ATF easily rises when towing, climbing hills, in traffic, ...
System Diagram
SYSTEM DIAGRAM
Transmitting ECU (Transmitter)
Receiving ECU
Signal
Communication Method
4 wheel drive control ECU
Skid control ECU (Brake actuator assembly)
High-Low actuator fail
4WD status ...
