Toyota Tacoma (2015-2018) Service Manual: Operation Check
OPERATION CHECK
1. CHECK REMOTE CONTROL MIRROR FUNCTION
(a) Turn the ignition switch to ON.
(b) With L on the mirror select switch selected, check that the outer rear view mirror assembly LH surface moves up, down, left and right normally.
(c) With R on the mirror select switch selected, check that the outer rear view mirror assembly RH surface moves up, down, left and right normally.
2. CHECK MIRROR HEATER FUNCTION
(a) Turn the ignition switch to ON.
(b) Check that pressing the mirror heater switch illuminates the indicator and warms the mirror surfaces.
(c) Check that after approximately 15 minutes, the indicator light turns off and the mirror heater deactivates.
HINT:
There is a timer extension function which can operate the mirror heater system for up to an additional 45 minutes.
System Diagram
SYSTEM DIAGRAM
...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are lis ...
Other materials:
Fail-safe Chart
FAIL-SAFE CHART
1. FAIL-SAFE FUNCTION
(a) When communication fails in any of the CAN bus lines (communication lines),
a fail-safe function(s) will operate. The fail-safe function that is specified for
each system operates to prevent those systems from malfunctioning.
(b) The following table s ...
Stop Light Switch OFF Stuck Malfunction (C1426)
DESCRIPTION
The skid control ECU (brake actuator assembly) inputs the stop light signal and
brake operation condition. When the brake pedal is depressed and the stop light
switch signal is not input, C1426 is output.
DTC No.
Detection Item
DTC Detection Conditi ...
Fail-safe Chart
FAIL-SAFE CHART
1. FAIL-SAFE OPERATION AND DEACTIVATION CONDITION
DIFFERENTIAL SYSTEM (w/ Differential Lock)
DTC No.
Fail-safe Operation
Fail-safe Deactivation Condition
U0122
All switching prohibited
When rear differential is locked ...
