Toyota Tacoma (2015-2018) Service Manual: Problem Symptoms Table

Toyota Tacoma (2015-2018) Service Manual / Seat Belt / Seat Belt Warning 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.

Seat Belt Warning System

Symptom	Suspected Area	Link
Driver side seat belt warning light does not operate	Refer to the "Driver side seat belt warning light does not operate"
Front passenger side seat belt warning light malfunction	Refer to the "Front passenger side seat belt warning light malfunction"
Seat belt warning light does not operate for driver and front passenger seats	Combination meter assembly	-
Seat belt warning buzzer does not operate	Check customized settings using the Techstream
Seat belt warning buzzer does not operate	Combination meter assembly	-

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, recharge ...

Terminals Of Ecu

TERMINALS OF ECU 1. CHECK COMBINATION METER ASSEMBLY (a) Measure the resistance and voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Colo ...

Other materials:

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. PRECAUTION NOTICE: After turning the ignition switch off, waiting time may be required before disconnecting the cable from the ...

Speaker Circuit
DESCRIPTION If there is a short in a speaker circuit, the radio and display receiver assembly detects it and stops output to the speakers. Thus sound cannot be heard from the speakers even if there is no malfunction in the radio and display receiver assembly or speakers. If a ...

Disposal
DISPOSAL PROCEDURE 1. DISPOSE OF BRAKE BOOSTER ACCUMULATOR ASSEMBLY (a) Place the brake booster accumulator in a vise and cover it with a cloth. (b) Slowly cut a hole on the brake booster accumulator side in the A portion shown in the illustration on the left. And discharge the gas and liqui ...