Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

  • The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN and multiplex communication system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

(a) Refer to the How to Troubleshoot ECU Controlled Systems in Introduction section.

Click here

NEXT

3.

INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

NEXT

4.

CONNECT TECHSTREAM TO DLC3*

NEXT

5.

CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*

(a) Refer to DTC Check/Clear.

Click here

NEXT

6.

VISUAL INSPECTION

NEXT

7.

SELECT CHECK MODE DIAGNOSIS*

(a) Refer to Check Mode Procedure.

Click here

NEXT

8.

PROBLEM SYMPTOM CONFIRMATION

(a) Refer to Road Test.

Click here

Result

Proceed to

Symptom does not occur

A

Symptom occurs

B

B

GO TO STEP 10

A

9.

SYMPTOM SIMULATION

(a) Refer to Symptom Simulation.

Click here

NEXT

10.

DTC CHECK*

(a) Refer to DTC Check/Clear.

Click here

Result

Proceed to

DTC is not output

A

DTC is output

B

B

GO TO STEP 18

A

11.

BASIC INSPECTION

(a) Refer to Park/Neutral Position Switch.

Click here (b) Refer to Shift Lever Assembly.

(b) Refer to Shift Lever Assembly.

Click here

NG

GO TO STEP 21

OK

12.

MECHANICAL SYSTEM TESTS

(a) Refer to Mechanical System Tests.

Click here

NG

GO TO STEP 17

OK

13.

HYDRAULIC TEST

(a) Refer to Hydraulic Test.

Click here

NG

GO TO STEP 17

OK

14.

MANUAL SHIFTING TEST

(a) Refer to Manual Shifting Test.

Click here

NG

GO TO STEP 16

OK

15.

PROBLEM SYMPTOMS TABLE CHAPTER 1

(a) Refer to Problem Symptoms Table.

Click here

NG

GO TO STEP 19

OK

16.

PROBLEM SYMPTOMS TABLE CHAPTER 2

(a) Refer to Problem Symptoms Table.

Click here

NEXT

17.

COMPONENT INSPECTION

NEXT

GO TO STEP 21

18.

DTC CHART

(a) Refer to Diagnostic Trouble Code Chart.

Click here

NEXT

19.

CIRCUIT INSPECTION

NEXT

20.

IDENTIFICATION OF PROBLEM

NEXT

21.

REPAIR OR REPLACE

NEXT

22.

CONFIRMATION TEST

NEXT

END

Precaution
PRECAUTION 1. IGNITION SWITCH EXPRESSION HINT: 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 ...

System Description
SYSTEM DESCRIPTION 1. SYSTEM DESCRIPTION (a) The Electronic Controlled Automatic Transmission (ECT) is an automatic transmission that has its shift timing electronically controlled by the ECM. The ...

Other materials:

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART HINT: If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below. Certification ECU (Smart Key ECU Assembly) DTC Code Detection Item ...

Perchlorate Material
Special handling may apply, See www.dtsc.ca.gov/hazardouswaste/perchlorate. Your vehicle has components that may contain perchlorate. These components may include airbag, seat belt pretensioners, and wireless remote control batteries. CAUTION ■General precautions while driving Driving un ...

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 ...

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