Toyota Tacoma (2015-2018) Service Manual: Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
HINT:
Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which uses 2 trip detection logic.
- Clear DTCs (See page
.gif)
). - Switch the ECM from normal mode to check mode using the Techstream (See
page ).
- Perform a simulation test (See page
).
- Check and wiggle the harness(es), connector(s) and terminal(s) (See
page ).
System Diagram
SYSTEM DIAGRAM
...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the manual transaxle system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGH ...
Other materials:
Initialization not Completed (C2177/77)
DESCRIPTION
Initialization is necessary if one of the following occurs:
The tire pressure warning ECU and receiver is replaced.
A tire pressure warning valve and transmitter is replaced.
Tires with different standard tire pressures are installed.
The tires are rotated.
A new ...
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) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / (desired system) / Trouble Codes.
(e) Check the details of the DTC(s) (See page
).
2. CLEAR DTC
(a) Connec ...
