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:
Starter Relay Circuit Short to Battery (P061512)
DESCRIPTION
While the engine is being cranked, positive battery voltage is applied to terminal
STA of the ECM. If the ECM detects the starter control (STA) signal while the vehicle
is being driven, it determines that there is a malfunction in the STA circuit. The
ECM then illuminates the MIL ...
Disassembly
DISASSEMBLY
PROCEDURE
1. INSPECT CONNECTING ROD THRUST CLEARANCE
(a) Using a dial indicator, measure the thrust clearance while moving
the connecting rod back and forth.
Standard thrust clearance:
0.15 to 0.40 mm (0.00591 to 0.0157 in.)
Maximum thrust clearance:
0.50 ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Smart key system (for start function) data and the Diagnostic Trouble Codes
(DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When
the system seems to be malfunctioning, use the Techstream to check for malfunctions
and perform rep ...
