Toyota Tacoma (2015-2018) Service Manual: Problem Symptoms Table

Toyota Tacoma (2015-2018) Service Manual / Steering Column / Steering Lock System / 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 listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Steering Lock System

Symptom	Suspected Area	See page
Steering lock does not lock	Refer to "Steering Lock does not Lock"
Steering does not unlock (engine cannot be started)	Refer to "Unable to Unlock Steering Wheel (Engine cannot Start)"

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedures to troubleshoot the steering lock system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT ...

Diagnosis System

DIAGNOSIS SYSTEM 1. DESCRIPTION (a) The steering lock ECU (steering lock actuator or UPR bracket assembly) stores DTCs when a malfunction occurs in the system. These DTCs can be confirmed by using ...

Other materials:

Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT SEATBACK HEATER ASSEMBLY (a) Check the operation of the front seatback heater assembly. (1) Apply battery voltage and check the operation of the front seatback heater assembly. OK: Connection Conditio ...

Installation
INSTALLATION PROCEDURE 1. INSTALL FRONT DIFFERENTIAL CARRIER ASSEMBLY (a) Connect the actuator hose and connector. (b) Install the No. 1 mounting support with the 3 bolts. Torque: 186 N·m {1899 kgf·cm, 138 ft·lbf} (c) Install the No. 2 mounting support with the 2 bolts. Torque: 160 N ...

Rear Axle Hub Bolt
Installation INSTALLATION PROCEDURE 1. INSTALL REAR AXLE HUB BOLT (a) Install a new hub bolt through the axle hub. (b) Install the washer plate, as shown in the illustration, through the hub bolt, and install the hub bolt by tightening the hub nut. 2. APPLY HIGH TEMPERATURE GREASE 3. ...