Toyota Tacoma manuals

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

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedure to troubleshoot the manual transaxle system.

    *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

CUSTOMER PROBLEM ANALYSIS

(a) Refer to the How to Troubleshoot ECU Controlled Systems in Introduction section.

Click here

NEXT

3.

INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard Voltage:

11 to 14 V

HINT:

If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

NEXT

4.

CHECK CAN COMMUNICATION SYSTEM*

(a) Using the Techstream, check if the CAN communication system is functioning normally.

HINT:

  • Refer to CAN Bus Check in CAN Communication System.

    Click here

  • The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communications system.

Result

Proceed to

CAN communication system DTCs are not output.

A

CAN communication system DTCs are output.

B

B

GO TO CAN COMMUNICATION SYSTEM

A

5.

CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*

(a) Refer to DTC Check/Clear.

Click here

NEXT

6.

SELECT CHECK MODE DIAGNOSIS*

(a) Refer to Check Mode Procedure.

Click here

NEXT

7.

CHECK FOR DTC*

(a) Proceed to DTC Check/Clear.

Click here

Result

Proceed to

DTCs are not output.

A

DTCs are output.

B

B

GO TO STEP 12

A

8.

SYMPTOM SIMULATION

(a) Refer to Symptom Simulation.

Click here

NEXT

9.

COMPONENT INSPECTION

NEXT

10.

REPAIR OR REPLACE

NEXT

11.

CONFIRMATION TEST

NEXT

END

12.

DIAGNOSTIC TROUBLE CODE CHART

(a) Proceed to Diagnostic Trouble Code Chart.

Click here

NEXT

13.

CIRCUIT INSPECTION*

NEXT

14.

IDENTIFICATION OF PROBLEM

NEXT

15.

REPAIR OR REPLACE

NEXT

16.

CONFIRMATION TEST

NEXT

END

Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS HINT: Inspect the vehicle ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE 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 pro ...

Other materials:

Inner Rear View Mirror
Components COMPONENTS ILLUSTRATION ILLUSTRATION Calibration CALIBRATION 1. SELECT COMPASS DISPLAY MODE (a) The compass switch allows you to select the Display or Non-display mode of the compass. *1 Compass Switch / EC Control Switch 2. PERFORM CALI ...

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 ...

Air Conditioning Compressor Magnetic Clutch Circuit
DESCRIPTION When the air conditioning amplifier assembly is turned on, a magnetic clutch on signal is sent from the MGC terminal of the air conditioning amplifier assembly. Then, the MG CLT relay turns on to operate the magnetic clutch assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NO ...

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