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:

Lost Communication with Meter (B1324)
DESCRIPTION This DTC is stored when a communication error occurs between the radio and display receiver assembly and combination meter assembly. DTC No. DTC Detection Condition Trouble Area B1324 After the radio and display receiver as ...

Lost Communication With Vehicle Dynamics Control Module (U0122)
DESCRIPTION This DTC is detected if communication is lost with the skid control ECU (brake actuator assembly). DTC No. Detection Item DTC Detection Condition Trouble Area U0122 Lost Communication with Vehicle Dynamics Contro ...

Center Airbag Sensor Assembly
Components COMPONENTS ILLUSTRATION On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT AIRBAG SENSOR ASSEMBLY (for Vehicle not Involved in Collision) (a) Perform a diagnostic system check (See page ). 2. INSPECT AIRBAG SENSOR ASSEMBLY (for Vehicle Involved in Collision a ...

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