Toyota Tacoma manuals

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

CAUTION / NOTICE / HINT

Techstream can be used in steps 3, 6, 9 and 12.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

NEXT

3.

CHECK AND CLEAR DTCS AND FREEZE FRAME DATA

NEXT

4.

PROBLEM SYMPTOM CONFIRMATION

NEXT

5.

CHECK CAN COMMUNICATION SYSTEM

(a) Check for output DTCs.

HINT:

The ECM of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, be sure to check that there is no trouble in the CAN communication system.

Result

Proceed to

CAN communication system DTC not output

A

CAN communication system DTC output

B

B

CAN COMMUNICATION SYSTEM

A

6.

CHECK CLEAR DTCS

NEXT

7.

PROBLEM SYMPTOM SIMULATION

Result

Proceed to

Symptom does not occur

A

Symptom occurs

B

B

GO TO STEP 9

A

8.

SYMPTOM SIMULATION

NEXT

9.

CHECK DTCS (OTHER THAN CAN SYSTEM DTCS)

Result

Proceed to

DTC not output

A

DTC output

B

B

GO TO STEP 11

A

10.

PROBLEM SYMPTOMS TABLE

NEXT

GO TO STEP 12

11.

DTC CHART

NEXT

12.

CIRCUIT INSPECTION

NEXT

13.

PROBLEM IDENTIFICATION

NEXT

14.

REPAIR OR REPLACE

NEXT

15.

CONFIRMATION TEST

NEXT

END

Precaution
PRECAUTION 1. IGNITION SWITCH EXPRESSION (a) The type of ignition switch used on this model differs depending on the specifications of the vehicle. The expressions listed in the table below are us ...

System Description
SYSTEM DESCRIPTION 1. SYSTEM DESCRIPTION HINT: The skid control ECU is built into the hydraulic brake booster. (a) ABS (Anti-lock Brake System) The ABS helps prevent the wheels from locking when ...

Other materials:

Precaution
PRECAUTION 1. IGNITION SWITCH EXPRESSIONS (a) The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this section. Expression Ignition Switch (Position) Engine ...

Push Switch / Key Unlock Warning Switch Malfunction (B2780)
DESCRIPTION This DTC is stored if the transponder key ECU assembly does not detect that the unlock warning switch assembly is ON even when the key is in the ignition key cylinder. Under normal conditions, the unlock warning switch assembly is ON when the key is in the ignition key cylinder. ...

Front Radar Sensor (C1A10)
DESCRIPTION When an internal malfunction is detected in the millimeter wave radar sensor assembly, DTC C1A10 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A10 Front Radar Sensor When the ...

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