Toyota Tacoma (2015-2018) Service Manual: Steering Lock System
- Precaution
- Parts Location
- System Description
- System Diagram
- How To Proceed With Troubleshooting
- Problem Symptoms Table
- Diagnosis System
- Dtc Check / Clear
- Terminals Of Ecu
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Open / Short in Steering Lock ECU (B2781)
- Power Source Control ECU Malfunction (B2782)
- IG2 Signal Malfunction (B2788)
- Unable to Lock Steering Wheel
- Unable to Unlock Steering Wheel (Engine cannot Start)
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL UN-LOCK WARNING SWITCH ASSEMBLY (w/o Smart Key System)
(a) Engage the 2 claws to install the un-lock warning switch assembly to the
upper steering column bracket a ...
Precaution
PRECAUTION
1. PRECAUTIONS WHEN CHECKING FOR DTCS
(a) When the cable is disconnected from the negative (-) battery terminal, the
DTCs stored in the steering lock ECU (steering lock actuator or UPR ...
Other materials:
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY
(a) When there is a malfunction such as noise from a speaker or no sound at all,
replace the speaker with a new one and check that the malfunction disappears.
OK:
Malfunction disappears.
HINT:
Connect the connectors to th ...
ECU Power Source Circuit
DESCRIPTION
The IG circuit is the power source for the tire pressure warning ECU and receiver.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the tire pressure warning ECU and receiver, read the
transmitter IDs stored in the old ECU using the Techstream and write th ...
Utility
UTILITY
NOTICE:
When replacing the millimeter wave radar sensor assembly, always replace
it with a new one. If a millimeter wave radar sensor assembly which was
installed to another vehicle is used, the information stored in it will
not match the information from the vehicle. A ...
