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:

System Description
SYSTEM DESCRIPTION 1. FUNCTION OF MAIN COMPONENTS Component Function Vertical mirror motor Moves the mirror surface vertically in accordance with the vertical mirror motor outer mirror switch assembly operation. Horizontal mirr ...

Precaution
PRECAUTION 1. IGNITION SWITCH EXPRESSION (a) The type of ignition switch used on this model differs depending on the specifications of the vehicle. The expressions listed in the table below are used in this section. Expression Ignition Switch (Position) Engine ...

Removal
REMOVAL PROCEDURE 1. REMOVE RADIATOR GRILLE (a) w/ Toyota Safety Sense P (1) Disconnect the connector. (2) Disengage the clamp. (b) Put protective tape around the radiator grille. ...

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