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.
|
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 |
|
|
Combination meter assembly |
- |
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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:
Rear seats (Access Cab and Double Cab models)
Access Cab models
The bottom cushion of the rear seats can be raised and lowered.
■ Before raising the bottom cushion
Stow the seat belt buckles.
This prevents the seat belt buckles from falling out when you fold the seatback.
■ Raising the bottom cushion
Raise the bottom cushi ...
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 ...
Brake System (P157800)
DESCRIPTION
This DTC is stored when a malfunction is detected in the vehicle stability control
system.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
MIL
P157800
Brake System
While the igni ...
