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:

Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier
DESCRIPTION The navigation receiver assembly sends a sound signal to the stereo component amplifier assembly via this circuit. The sound signal that has been sent is amplified by the stereo component amplifier assembly, and then is sent to the speakers. If there is an open or short in the cir ...

Steering wheel
The steering wheel can be adjusted to a comfortable position. Hold the steering wheel and press the lever down. Adjust to the ideal position by moving the steering wheel horizontally and vertically. After adjustment, pull the lever up to secure the steering wheel. CAUTION ■Caution whi ...

Headlight Dimmer Switch Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) receives the following switch information: Light control switch position is off (DRL OFF), tail, head or AUTO (DRL). Dimmer switch position is high, low or high flash (pass). Front fog light switch position is on or off ...

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