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:

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 ...

Front Differential Oil Temperature Sensor Circuit High (P17C8)
DESCRIPTION This DTC is output when a short to B+ or open circuit in the oil temperature sensor is detected. DTC No. Detection Item DTC Detection Condition Trouble Area P17C8 Front Differential Oil Temperature Sensor Circuit ...

Open in Turn Signal Circuit (B1507,B1508)
DESCRIPTION This DTC is stored when the combination meter assembly detects an open in a turn signal light circuit, a short in a turn signal light circuit, or a short in the hazard warning light circuit. DTC No. DTC Detection Condition Trouble Area ...