Toyota Tacoma manuals

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

CAUTION / NOTICE / HINT

HINT:

*: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

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(a) Confirm problem symptoms.

NEXT

3.

CHECK CAN COMMUNICATION SYSTEM*

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Result

Proceed to

DTCs not output

A

DTCs output

B

B

CHECK CAN COMMUNICATION CIRCUIT

A

4.

WARNING LIGHT CHECK

Click here

NEXT

5.

CHECK CHECK (Present and Past DTCs)*

Click here

Result

Proceed to

DTCs output

A

DTCs not output

B

B

PROBLEM SYMPTOMS TABLE

A

6.

DTC CHART

Click here

NEXT

7.

CIRCUIT INSPECTION

NEXT

8.

REPAIR OR REPLACEMENT

NEXT

9.

DTC CLEARANCE (Present and Past DTCs)*

Click here

NEXT

10.

DTC CHECK*

Click here

Result

Proceed to

DTCs not output

A

DTCs output

B

B

DIAGNOSTIC TROUBLE CODE CHART

A

11.

CONFIRMATION TEST

NEXT

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:

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK COMBINATION METER ASSEMBLY (a) Measure the resistance and voltage according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition ...

Check Bus 3 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Detection Item Trouble Area Resis ...

Daytime Running Light Relay
Inspection INSPECTION PROCEDURE 1. INSPECT NO. 1 DAY TIME RUNNING LIGHT RELAY (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard: Tester Connection Condition Specified ...

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