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 |
See page |
|---|---|---|
|
Tire pressure warning light does not illuminate despite tire pressure decreasing |
Initialization |
|
|
Check Data List (ID Tire Inflation Pressure) |
|
|
|
ID code check (Registration) |
|
|
|
Tire pressure warning light remains illuminated (Goes off during initial check) |
Tire pressure warning light circuit |
|
|
Tire pressure warning light remains illuminated (Illuminates during initial check) |
Check Data List (ID Tire Inflation Pressure) |
|
|
Tire pressure adjustment |
|
|
|
ID code check (Registration) |
|
|
|
Initialization |
|
|
|
Initialization cannot be done |
Tire pressure warning reset switch |
|
|
DTC check cannot be done using SST check wire |
TC and CG terminal circuit |
|
|
ECU power source circuit |
|
|
|
Tire position not identified* |
Tire pressure warning valve and transmitter |
|
|
Main body ECU (Multiplex network body ECU) |
- |
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- *: w/ Tire Inflation Pressure Display Function
Registration
REGISTRATION
PROCEDURE
1. BEFORE REGISTRATION
NOTICE:
The transmitter ID is written on the tire pressure warning valve and transmitter.
It is not possible to read the transmitter ID after instal ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK TIRE PRESSURE WARNING ECU AND RECEIVER
(a) Disconnect the T14 tire pressure warning ECU and receiver connector and measure
the voltage and resistance on the wire harness ...
Other materials:
Installation
INSTALLATION
PROCEDURE
1. INSTALL VANE PUMP ASSEMBLY
(a) Install the vane pump assembly with the 2 bolts.
Torque:
21 N·m {214 kgf·cm, 15 ft·lbf}
(b) Connect the ground wire with the bolt.
Torque:
8.5 N·m {87 kgf·cm, 75 in·lbf}
2. CONNECT PRESSURE FEED TUBE ASSEMBLY
(a) Install a ne ...
Rear Differential Lock Solenoid Circuit Low (P17C0)
DESCRIPTION
This DTC is output when a malfunction is detected due to a short to ground occurring
in the differential lock coil drive circuit of the rear differential.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P17C0
...
Disassembly
DISASSEMBLY
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for both the LH and RH sides.
The procedure described below is for the LH side.
PROCEDURE
1. REMOVE NO. 1 HEADLIGHT BULB
(a) Turn the No. 1 headlight bulb in the direction indicated by the arrow
i ...