Toyota Tacoma (2015-2018) Service Manual: Seat Heater System
- Parts Location
- Precaution
- System Diagram
- How To Proceed With Troubleshooting
- Operation Check
- System Description
- Dtc Check / Clear
- Problem Symptoms Table
- Terminals Of Ecu
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Front Right Seat Heat Sensor Circuit (B14C0)
- Front Left Seat Heat Sensor Circuit (B14C1)
- Driver Side Seat Heater does not Operate
- Front Passenger Side Seat Heater does not Operate
Reassembly
REASSEMBLY
CAUTION / NOTICE / HINT
CAUTION:
Wear protective gloves. Sharp areas on the parts may injure your hands.
PROCEDURE
1. INSTALL SEPARATE TYPE REAR SEATBACK COVER
(a) Using ho ...
Parts Location
PARTS LOCATION
ILLUSTRATION
ILLUSTRATION
...
Other materials:
Open in Bus 2 Main Bus Line
DESCRIPTION
There may be an open circuit in one of the CAN main bus lines and/or a central
gateway ECU (network gateway ECU) branch lines when the resistance between terminals
18 (CA4H) and 17 (CA4L) of the central gateway ECU (network gateway ECU) is 70 Ω
or higher.
Detection It ...
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 sy ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Check the DTCs.
(1) Turn the ignition switch off.
(2) Connect the Techstream to the DLC3.
(3) Turn the ignition switch to ON.
(4) Turn the Techstream on.
(5) Read the DTCs following the prompts on the Techstream screen. Enter the following
menus: Powertrai ...
