Toyota Tacoma manuals

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

CAUTION / NOTICE / HINT

HINT:

  • Use these procedure to troubleshoot the seat belt warning system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

HINT:

  • In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
  • Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
  • The following 5 items are important points in the problem analysis:

What

Vehicle, system name

When

Date, time, occurrence frequency

Where

Road conditions

Under what conditions?

Driving conditions, weather conditions

How did it happen?

Problem symptoms

NEXT

3.

INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard voltage:

11 to 14 V

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

NEXT

4.

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Result

Proceed to

CAN DTC is not output

A

CAN DTC is output

B

B

GO TO CAN COMMUNICATION SYSTEM

A

5.

CHECK FOR DTC (AIRBAG SYSTEM)*

(a) Clear the DTC.

Click here (b) Recheck for DTCs.

(b) Recheck for DTCs.

Result

Proceed to

DTC is not output

A

DTC is output

B

B

GO TO AIRBAG SYSTEM

A

6.

CHECK FOR DTC (OCCUPANT CLASSIFICATION SYSTEM)*

(a) Clear the DTC.

Click here (b) Recheck for DTCs.

(b) Recheck for DTCs.

Result

Proceed to

DTC is not output

A

DTC is output

B

B

GO TO OCCUPANT CLASSIFICATION SYSTEM

A

7.

PROBLEM SYMPTOMS TABLE

(a) Refer to the Problem Symptoms Table.

Click here

Result

Proceed to

Fault is not listed in Problem Symptoms Table

A

Fault is listed in Problem Symptoms Table

B

B

GO TO STEP 9

A

8.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Data List / Active Test.

Click here (b) Terminals of ECU.

(b) Terminals of ECU.

Click here (c) On-vehicle Inspection.

(c) On-vehicle Inspection.

Click here

NEXT

9.

REPAIR OR REPLACE

NEXT

10.

CONFIRMATION TEST

NEXT

END

Customize Parameters
CUSTOMIZE PARAMETERS 1. CUSTOMIZE FUNCTION WITH TECHSTREAM NOTICE: Be sure to record the current settings before customizing. These buzzers should be ON for safe driving. Perform these ...

System Description
SYSTEM DESCRIPTION 1. SEAT BELT WARNING SYSTEM DESCRIPTION (a) Seat belt warning light operation for driver seat belt: The seat belt warning light on the combination meter assembly illuminates, bli ...

Other materials:

Pressure Control Solenoid "D" Electrical (Shift Solenoid Valve SLT) (P2716)
DESCRIPTION Refer to the system description for DTC P2714 (See page ). DTC No. DTC Detection Condition Trouble Area P2716 Open or short is detected in shift solenoid valve SLT circuit for 1 second or more while driving (1 trip dete ...

Rear Occupant Classification Sensor RH Circuit Malfunction (B1783)
DESCRIPTION The rear occupant classification sensor RH circuit consists of the occupant detection ECU and the rear occupant classification sensor RH. DTC B1783 is set when a malfunction is detected in the rear occupant classification sensor RH circuit. DTC No. DTC Detect ...

Installation
INSTALLATION PROCEDURE 1. INSTALL ROOF HEADLINING ASSEMBLY (a) Insert the roof headlining assembly into the vehicle from the door. NOTICE: Check that the corners of the roof headlining assembly are not folded, twisted or otherwise deformed and that none of the ...

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