Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

  • Troubleshooting of the theft deterrent system is based on the premise that the power door lock control system, wireless door lock control system*1 and smart key system*2 are operating normally. Accordingly, before troubleshooting the theft deterrent system, first make certain that the power door lock control system, wireless door lock control system*1 and smart key system*2 are operating normally.
    • *1: w/ Wireless Door Lock System
    • *2: w/ Smart Key System
  • 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.
Theft Deterrent System

Symptom

Suspected Area

See page

Security indicator light does not illuminate when theft deterrent system is set by key linked operation, wireless operation*1 or entry operation*2.

Proceed to "Theft Deterrent System cannot be Set or Unset"

After doors are locked by key linked operation, wireless operation*1 or entry operation*2 while engine hood is open, theft deterrent system cannot be set by closing the engine hood.

Theft deterrent system cannot be unset by key link unlock, wireless door unlock*1 or entry door unlock*2.

Theft deterrent system unexpectedly sets itself.*1

Proceed to "Theft Deterrent System Unexpectedly Sets Itself"

Theft deterrent system cannot be unset by turning the engine on.

Proceed to "Theft Deterrent System is not Unset when Engine is Running"

While alarm is armed, battery is reconnected but alarm does not sound.

Proceed to "While Alarm is Armed, Battery is Reconnected but Alarm does not Sound"

While alarm is armed, engine hood opened but alarm does not sound.

Proceed to "While Alarm is Armed, Engine Hood is Opened but Alarm does not Sound"

Security indicator light does not operate.

Proceed to engine immobiliser system "Security Indicator Light Does not Blink"*2

Proceed to engine immobiliser system "Security Indicator Light Does not Blink"*3

Headlights, taillights or hazard warning lights do not flash while theft deterrent system is in warning operation.

Proceed to "Some Alarm Functions do not Operate"

Interior lights do not illuminate while theft deterrent system is in warning operation.

Vehicle horn do not sound while theft deterrent system is in warning operation.

Security horn do not sound while theft deterrent system is in warning operation.

  • *1: w/ Wireless Door Lock System
  • *2: w/ Smart Key System
  • *3: w/o Smart Key System
Diagnosis System
DIAGNOSIS SYSTEM 1. CHECK DLC3 (a) Check the DLC3 (See page ). 2. INSPECT BATTERY VOLTAGE (a) Measure the battery voltage. Standard Voltage: 11 to 14 V If the voltage is below 11 V, replace t ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND DRIVER SIDE JUNCTION BLOCK (a) Disconnect the main body ECU (multiplex network body ECU) connectors. Text in Illustration ...

Other materials:

Motor Malfunction (C1427)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area C1427 Motor Malfunction Actuator pump motor does not operate properly. Brake actuator assembly (Ground circuit) Brak ...

Adjustment
ADJUSTMENT CAUTION / NOTICE / HINT HINT: Centering bolts are used to mount the hood hinge and hood lock assembly. The hood and hood lock assembly cannot be adjusted with the centering bolts installed. Substitute the centering bolts with standard bolts when making adjustments ...

Manual Transmission Unit
Components COMPONENTS ILLUSTRATION ILLUSTRATION *1 SHIFT DETENT BALL PLUG *2 SHIFT DETENT BALL COMPRESSION SPRING *3 MANUAL TRANSMISSION FILLER PLUG *4 SHAFT DETENT BALL *5 ...

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