Toyota Tacoma (2015-2018) Service Manual: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
If a trouble code is indicated while checking DTCs, inspect the circuit listed for that code in the table below, and proceed to the applicable page.
Cruise Control System|
DTC Code |
Detection Item |
MIL |
See page |
|---|---|---|---|
|
P057113 |
Brake Switch "A" Circuit Open |
Does not come on |
|
|
P057162 |
Brake Switch "A" Signal Compare Failure |
Does not come on |
|
|
P057504 |
Cruise Control System Internal Failure |
Does not come on |
|
|
P057549 |
Cruise Control Internal Electronic Failure |
Does not come on |
|
|
P157800 |
Brake System |
Does not come on |
|
|
P160700 |
Cruise Control Input Processor |
Comes on |
|
|
U012287 |
Lost Communication with Vehicle Dynamics Control Module Missing Message |
Does not come on |
|
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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 p ...
Dtc Check / Clear
DTC CHECK / CLEAR
NOTICE:
When the diagnosis system is changed from normal mode to check mode or vice versa,
all DTCs and freeze frame data recorded in normal mode are cleared. Before changing
m ...
Other materials:
Open in Occupant Classification ECU Battery Positive Line (B1794)
DESCRIPTION
DTC B1794 is set when a malfunction is detected in the occupant detection ECU.
DTC No.
DTC Detections Conditions
Trouble Areas
B1794
Occupant detection ECU circuit malfunction
Occupant detection ECU malfuncti ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Millimeter Wave Radar Sensor Assembly
Forward Recognition Camera
Pre-collision alarm signal
Pre-collision braking operation signal
...
Black Screen
PROCEDURE
1.
CHECK DISPLAY SETTING
(a) Check that the display is not in "Screen Off" mode.
OK:
The display setting is not in "Screen Off" mode.
NG
CHANGE SCREEN TO SCREEN ON MODE
OK
...
