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.
Key Reminder Warning System

Symptom

Suspected Area

See page

Key reminder buzzer does not sound

Proceed to "Key Reminder Buzzer does not Sound"

Operation Check
OPERATION CHECK 1. CHECK FUNCTION (a) Check that the key reminder warning buzzer sounds. (1) With the driver side door closed, insert the key into the ignition key cylinder and then turn the key ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing ...

Other materials:

Torque Converter Clutch Circuit Short to Ground (P074011)
DESCRIPTION Shift solenoid valve SL is turned on and off by signals from the ECM to control the hydraulic pressure acting on the lock-up relay valve, which then controls operation of the lock-up clutch. DTC No. DTC Detection Condition Trouble Area SA ...

Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)
DESCRIPTION This DTC is stored when items controlled by the certification ECU (smart key ECU assembly) cannot be customized via the navigation system vehicle customization screen. HINT: The certification ECU (smart key ECU assembly) controls the smart key system related items that are custo ...

Certification ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Certification ECU Communication Stop Mode Either condition is met: Communication stop for "Certification (Smart)" is indicated on the "Communication Bus Ch ...

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