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:

Transmission Fluid Temperature Sensor "B" Circuit Short to Ground (P274011)
DESCRIPTION The No. 2 ATF temperature sensor is installed in the transmission valve body assembly. If the ECM detects an abnormally high ATF temperature near this sensor, it illuminates the warning indicator. HINT: The temperature of ATF easily rises when towing, climbing hills, in ...

Open in Bus 2 Main Bus Line
DESCRIPTION There may be an open circuit in one of the CAN main bus lines and/or a central gateway ECU (network gateway ECU) branch lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher. Detection It ...

Receiver Error (C2176/76)
DESCRIPTION Tire pressure warning valve and transmitter signals are transmitted to the tire pressure warning ECU and receiver in the vehicle as radio waves. DTC No. Detection Item DTC Detection Condition Trouble Area Note C2 ...

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