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:

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for both the RH and LH side. The procedure described below is for the LH side. PROCEDURE 1. REMOVE REAR ACCESS PANEL WEATHERSTRIP 2. REMOVE LAP BELT OUTER ANCHOR COVER 3. REMOVE ACCESS PANEL INSIDE HANDLE BEZ ...

Towing Tail Relay
Inspection INSPECTION PROCEDURE 1. INSPECT TOWING TAIL RELAY (a) Check the resistance. (1) Using an ohmmeter, measure the resistance between the terminals. Standard: Tester Connection Specified Condition 3-5 10 kΩ or higher ...

Lost Communication with ECM (C1437)
DESCRIPTION The skid control ECU (master cylinder solenoid) receives signals from the ECM via the CAN communication system. DTC Code DTC Detection Condition Trouble Area C1437 When the IG1 terminal voltage is 10 V or higher and the veh ...

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