Toyota Tacoma (2015-2018) Service Manual: Panel Switches do not Function
PROCEDURE
|
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 |
|
.gif)
|
2. |
CHECK PANEL SWITCH (OPERATION CHECK) |
(a) Enter the "Panel & Steering Switch Check Mode" screen. Refer to Check Panel
& Steering Switch in Operation Check (See page .gif)
).
(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 RADIO AND DISPLAY RECEIVER ASSEMBLY |
| NG | |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
Display does not Dim when Light Control Switch is Turned ON
PROCEDURE
1.
CHECK IMAGE QUALITY SETTING
(a) Display the "Display" screen.
(b) Turn the light control switch to the tail or head position.
(c) Check if &q ...
Touch Panel Switch does not Function
PROCEDURE
1.
CHECK MULTI-DISPLAY
(a) Check if there is any foreign matter caught between the display and exterior
frame of the multi-display.
OK:
No foreign matt ...
Other materials:
Precaution
PRECAUTION
1. EXPRESSIONS OF IGNITION SWITCH
The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine S ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the sliding roof system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Check Bus 2 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Detection Item
Trouble Area
Resi ...
