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:

Sensor (Motor) Failure (B2341,B2344)
DESCRIPTION When the sliding roof ECU (sliding roof drive gear sub-assembly) detects a motor malfunction and the sliding roof operation is stopped, DTC B2341 is stored. When the sliding roof ECU (sliding roof drive gear sub-assembly) detects a gear position malfunction and the sliding roof ope ...

Sleep Operation Failure of Occupant Classification ECU (B1796)
DESCRIPTION During sleep mode, the occupant detection ECU monitors the condition of each sensor while the ignition switch is off. In this mode, if the occupant detection ECU detects an internal malfunction, DTC B1796 is set. DTC No. DTC Detections Conditions Tr ...

ECU Malfunction (B1003)
DESCRIPTION DTC No. DTC Detection Condition Trouble Area B1003 A malfunction in the non-volatile storage of the central gateway ECU (network gateway ECU) is detected. Central gateway ECU (network gateway ECU) PROC ...

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