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:
Horn Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT HORN RELAY ASSEMBLY
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Connection
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals ...
Occupant Classification ECU Malfunction (B1795)
DESCRIPTION
DTC B1795 is set when a malfunction is detected in the occupant detection ECU.
Troubleshoot DTC B1771 first when both DTCs B1771 and B1795 are present.
DTC No.
DTC Detections Conditions
Trouble Areas
B1795
Occupant detection ...
