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

Toyota Tacoma (2015-2018) Service Manual / Supplemental Restraint Systems / Airbag System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

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(a) Confirm problem symptoms.

3.	CHECK CAN COMMUNICATION SYSTEM*

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Result	Proceed to
DTCs not output	A
DTCs output	B

CHECK CAN COMMUNICATION CIRCUIT

4.	WARNING LIGHT CHECK

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5.	CHECK CHECK (Present and Past DTCs)*

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Result	Proceed to
DTCs output	A
DTCs not output	B

PROBLEM SYMPTOMS TABLE

DTC CHART

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7.	CIRCUIT INSPECTION

8.	REPAIR OR REPLACEMENT

9.	DTC CLEARANCE (Present and Past DTCs)*

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10.	DTC CHECK*

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Result	Proceed to
DTCs not output	A
DTCs output	B

DIAGNOSTIC TROUBLE CODE CHART

11.	CONFIRMATION TEST

END

System Diagram

SYSTEM DIAGRAM Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method Airbag Sensor Assembly ECM ...

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are lis ...

Other materials:

Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION The ECM stores DTCs (Diagnostic Trouble Codes) when trouble occurs on the vehicle. The diagnosis system allows reading of DTCs stored in the ECM when a the Techstream is connected to the DLC3 (Data Link Connector 3). If the CRUISE MAIN indicator light does not ...

HD Radio Tuner Malfunction (B1551,B158D,B15A0,B15B0,B15B3,B15B4,B15B7)
DESCRIPTION These DTCs are stored when a malfunction occurs in the radio and display receiver assembly. DTC No. DTC Detection Condition Trouble Area B1551 When one of the conditions below is met: "HD Radio" tune ...

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE RADIATOR DRAIN COCK PLUG (a) Remove the radiator drain cock plug from the radiator assembly. (b) Remove the O-ring from the radiator drain cock plug. 2. REMOVE RADIATOR TO SUPPORT SEAL (a) Remove the 2 radiator to support seals from the radiator assem ...