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:

Freeze Frame Data
FREEZE FRAME DATA 1. FREEZE FRAME DATA (a) Whenever a meter DTC is detected, the combination meter assembly stores the current vehicle state as freeze frame data. 2. CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on ...

Removal
REMOVAL CAUTION / NOTICE / HINT CAUTION: Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing (See page ). HINT: Use the same procedure for the LH side and RH side. The procedure listed be ...

Touch Panel Switch does not Function
PROCEDURE 1. CHECK MULTI-DISPLAY (a) Check if there is any foreign matter caught between the display and exterior frame of the multi-display. OK: No foreign matter is caught between the display and exterior frame of the multi-display. HINT: If there is foreig ...