Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: 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.
Wireless Door Lock Control System

Symptom

Suspected Area

See page

Only wireless control function is inoperative

Proceed to "Only wireless control function is inoperative"

Only answer-back function does not operate normally

Proceed to "No answer-back"

Only automatic lock function does not operate normally

Perform the operation check

Key reminder warning system

Lighting system (front door courtesy light switch circuit)

Lighting system (rear door courtesy light switch circuit)

Main body ECU (multiplex network body ECU)

-

Only illuminated entry function does not operate

Perform the operation check

Lighting system

Main body ECU (multiplex network body ECU)

-

Only door ajar warning function does not operate

Perform the operation check

Lighting system (front door courtesy light switch circuit)

Lighting system (rear door courtesy light switch circuit)

Main body ECU (multiplex network body ECU)

-

Only panic alarm function does not operate

Perform operation check

Lighting system (int) (interior lights)

Lighting system (ext) (headlights, taillights, hazard lights)

Theft deterrent system (vehicle horn)*1

Horn system*2

Main body ECU (multiplex network body ECU)

-

  • *1: w/ Theft Deterrent System
  • *2: w/o Theft Deterrent System
Customize Parameters
CUSTOMIZE PARAMETERS PROCEDURE 1. CUSTOMIZE WIRELESS DOOR LOCK CONTROL SYSTEM HINT: The following items can be customized. NOTICE: When the customer requests a change in a function, firs ...

Registration
REGISTRATION CAUTION / NOTICE / HINT HINT: Register a new recognition code when replacing the door control transmitter module set sub-assembly or the door control receiver. Add mode ...

Other materials:

A-TRAC Indicator Light does not Come ON
DESCRIPTION The A-TRAC does not operate even if the A-TRAC switch is pressed under the following conditions: The TRAC or VSC system is faulty. The temperature inside the hydraulic brake booster increases and the A-TRAC operation is suspended. WIRING DIAGRAM Refer to A-TRAC ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND DRIVER SIDE JUNCTION BLOCK (a) Remove the main body ECU (multiplex network body ECU) from the driver side junction block (See page ). (b) Disconnect the 1D driver side junction block connector. (c) Measure the voltag ...

Noise Occurs
PROCEDURE 1. NOISE CONDITION (a) Check from which direction the noise comes (front left or right, or rear left or right). OK: The location of the noise source can be determined. NG GO TO STEP 3 OK ...

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