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:

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 listed in order of probability in the "Suspected Area" column of the table. Check each sy ...

Pump Motor Relay (C1253)
DESCRIPTION The motor relay (semiconductor relay) is built into the master cylinder solenoid and drives the pump motor based on a signal from the skid control ECU (master cylinder solenoid). DTC No. DTC Detecting Condition Trouble Areas C1253 ...

Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS 1. CHECK FOR INTERMITTENT PROBLEMS HINT: A momentary interruption (open circuit) in the connectors and/or wire harnesses between the sensors and ECUs can be detected using the ECU Data List function of the Techstream. (a) Turn the ignition switch off. (b) Con ...