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

Toyota Tacoma (2015-2018) Service Manual / Rc62f Manual Transmission / Transaxle / Manual Transmission System / 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

2.	CUSTOMER PROBLEM ANALYSIS

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

Click here

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.

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

GO TO CAN COMMUNICATION SYSTEM

5.	CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*

(a) Refer to DTC Check/Clear.

Click here

6.	SELECT CHECK MODE DIAGNOSIS*

(a) Refer to Check Mode Procedure.

Click here

7.	CHECK FOR DTC*

(a) Proceed to DTC Check/Clear.

Click here

Result	Proceed to
DTCs are not output.	A
DTCs are output.	B

GO TO STEP 12

8.	SYMPTOM SIMULATION

(a) Refer to Symptom Simulation.

Click here

9.	COMPONENT INSPECTION

10.	REPAIR OR REPLACE

11.	CONFIRMATION TEST

END

12.	DIAGNOSTIC TROUBLE CODE CHART

(a) Proceed to Diagnostic Trouble Code Chart.

Click here

13.	CIRCUIT INSPECTION*

14.	IDENTIFICATION OF PROBLEM

15.	REPAIR OR REPLACE

16.	CONFIRMATION TEST

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:

Fuel information
Your vehicle must use only unleaded gasoline. Select octane rating 87 (Research Octane Number 91) or higher. Use of unleaded gasoline with an octane rating lower than 87 may result in engine knocking. Persistent knocking can lead to engine damage. At minimum, the gasoline you use should meet t ...

Theft Deterrent System Communication Line High Fixation (B279A,B279A12)
DESCRIPTION If the communication line (EFIO-IMI) to the transponder key ECU assembly is stuck high (e.g. shorted to +B), the ECM stores this DTC. DTC No. DTC Detection Condition Trouble Area DTC Output Confirmation Operation B279A*1 ...

Open in Turn Signal Circuit (B1507,B1508)
DESCRIPTION This DTC is stored when the combination meter assembly detects an open in a turn signal light circuit, a short in a turn signal light circuit, or a short in the hazard warning light circuit. DTC No. DTC Detection Condition Trouble Area ...