Toyota Tacoma manuals

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.

  1. Clear DTCs (See page Switch the ECM from normal mode to check mode using the Techstream (See ).
  2. Switch the ECM from normal mode to check mode using the Techstream (See page Perform a simulation test (See page ).
  3. Perform a simulation test (See page ). Check and wiggle the harness(es), connector(s) and terminal(s) (See ).
  4. 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:

Sliding Roof Switch Assembly
Components COMPONENTS ILLUSTRATION Installation INSTALLATION PROCEDURE 1. INSTALL SLIDING ROOF SWITCH ASSEMBLY (ROOF CONSOLE BOX ASSEMBLY) (a) Connect the connector. (b) Engage the 4 clips to install the sliding roof switch assembly (roof console box assembly). Removal REMOVAL P ...

System Description
SYSTEM DESCRIPTION 1. CRUISE CONTROL SYSTEM The cruise control system makes it possible to drive at a desired speed without using the accelerator pedal. ECM controls the throttle opening angle based on signals from switches and sensors. The microcomputer which controls the cruise control syst ...

Symbols used in illustrations
The symbol of a circle with a slash through it means “Do not”, “Do not do this”, or “Do not let this happen”. Arrows indicating operations Indicates the action (pushing, turning, etc.) used to operate switches and other devices. Indicates the outcome of an operation (e.g. a ...

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