Toyota Tacoma (2015-2018) Service Manual: How To Troubleshoot Ecu Controlled Systems

Introduction

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General Information

GENERAL INFORMATION A large number of ECU controlled systems are used in the TOYOTA TACOMA. In general, ECU controlled systems are considered to be very intricate, requiring a high lev ...

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Road Test
ROAD TEST 1. PROBLEM SYMPTOM CONFIRMATION (a) Based on the result of the customer problem analysis, try to reproduce the symptoms. If the problem is that the transmission does not shift up or down, or that the shift point is too high or too low, conduct the following road test referring to t ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: Before replacing the ECM, refer to Registration. w/o Smart Key System: Click here w/ Smart Key System: Click here When the millimeter wave radar sensor assembly is replaced with a new one, adjustment of the radar sensor beam axis must be ...

Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC) (C1277,...,C1416)
DESCRIPTION Refer to DTCs C1401 and C1402 (See page ). DTC Code DTC Detection Condition Trouble Area C1277 C1278 Stored only during test mode. Rear speed sensor RH/LH Rear speed sensor rotor RH/LH (Rear ax ...