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:

Illumination Circuit
DESCRIPTION Power is supplied to the radio and display receiver assembly and steering pad switch assembly illumination when the light control switch is in the TAIL or HEAD position. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: The vehicle is equipped with a Supplemental Restrain ...

ABS Warning Light does not Come ON
DESCRIPTION The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication. WIRING DIAGRAM Refer to ABS Warning Light Remains ON (See page ). CAUTION / NOTICE / HINT NOTICE: When replacing the skid control ECU (brake actuator assembly), ...

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE REAR AXLE SHAFT SNAP RING (a) Using a snap ring expander, remove the snap ring. 2. REMOVE REAR AXLE SHAFT (a) Using SST and press, remove the rear axle shaft. SST: 09521-25011 SST: 09521-25021 3. REMOVE REAR AXLE BEARING RETAINER INNER (a) Remove the rear ...