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:

Initialization Switch (for Test Mode DTC) (C2198/98)
DESCRIPTION During test mode, when the tire pressure warning reset switch is on, the tire pressure warning light comes on and when the tire pressure warning reset switch is off, the tire pressure warning light blinks at 0.125 second intervals. DTC No. DTC Detection Condit ...

SM Solenoid Circuit (C1225-C1228,C1468,C1469,C146A,C146B)
DESCRIPTION The solenoid goes on when signals are received from the skid control ECU (master cylinder solenoid) and controls the pressure action on the wheel cylinders thus controlling the braking force. DTC No. DTC Detecting Conditions Trouble Areas ...

Transmission Fluid Temperature Sensor "A" Circuit Short To Ground (P071011)
DESCRIPTION The No. 1 ATF temperature sensor converts the fluid temperature into a resistance value for use by the ECM. The ECM applies a voltage to the temperature sensor through terminal THO1 of the ECM. The sensor resistance changes with the ATF temperature. As the temperature becomes hi ...