Toyota Tacoma (2015-2018) Service Manual: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Steering Lock System|
DTC Code |
Detection Item |
See page |
|---|---|---|
|
B2781 |
Open / Short in Steering Lock ECU |
|
|
B2782 |
Power Source Control ECU Malfunction |
|
|
B2788 |
IG2 Signal Malfunction |
|
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Data List / Active Test
DATA LIST / ACTIVE TEST
1. READ 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 ...
Open / Short in Steering Lock ECU (B2781)
DESCRIPTION
The steering lock ECU and steering lock motor are built into the steering lock
actuator assembly.
The steering lock ECU (steering lock actuator or UPR bracket assembly) detects
wheth ...
Other materials:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the navigation system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2 ...
Brake Switch "B" Circuit Short to Battery (P070312)
DESCRIPTION
The purpose of this circuit is to prevent the engine from stalling while driving
in lock-up when the brakes are suddenly applied.
When the brake pedal is depressed, this switch sends a signal to the ECM. Then
the ECM cancels the operation of the lock-up clutch while braking is in p ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. DTC CHECK / CLEAR (when Using Techstream)
(a) Check for DTCs.
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to ON.
(3) Turn the Techstream on.
(4) Enter the following menus: Chassis / ABS/VSC/ TRAC / Trouble Codes.
(5) Read the DTCs by following the ...
