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

Toyota Tacoma (2015-2018) Service Manual / Vf2cm Transfer / Touch Select 2-4 And High-low System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use the following procedure listed to troubleshoot the touch select 2-4 and high-low system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

3.	INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

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

4.	CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Click here

HINT:

The ECU of this system is connected to the CAN communication system.

Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.

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

CHECK CAN COMMUNICATION SYSTEM

5.	CHECK DTC AND FREEZE FRAME DATA*

(a) Check for DTCs.

Click here (b) Check for freeze frame data.

(b) Check for freeze frame data.

HINT:

Record or print DTCs and freeze frame data if necessary.

Click here (d) Recheck for DTCs.

(d) Recheck for DTCs.

Click here (1) Simulate the malfunction condition and check if the DTCs are output again.

(1) Simulate the malfunction condition and check if the DTCs are output again.

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

GO TO STEP 10

6.	PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here

Result	Proceed to
Fault not listed in problem symptoms table	A
Fault listed in problem symptoms table	B

GO TO STEP 8

7.	OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Terminals of ECU.

Click here (b) Data List / Active Test.

(b) Data List / Active Test.

Click here

8.	REPAIR OR REPLACE

9.	CONFIRM TEST

END

10.	GO TO DTC CHART

11.	REPAIR OR REPLACE

12.	CONFIRM TEST

END

Precaution

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System Description

SYSTEM DESCRIPTION 1. DESCRIPTION A part-time 2-speed VF2CM transfer uses a touch select 2-4 and high-low system, enabling the driver to switch between 2WD, H4 and L4 modes by turning ...

Other materials:

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the C27 and C29 certification ECU (smart key ECU assembly) connectors. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side w ...

Front Airbag Sensor RH Circuit Malfunction (B1610/13)
DESCRIPTION The front airbag sensor RH consists of parts such as the diagnostic circuit and the frontal detection sensor. When the airbag sensor assembly receives signals from the frontal deceleration sensor, it determines whether or not the SRS should be activated. DTC B1610/13 is set when a ...

Driving the vehicle
The following procedures should be observed to ensure safe driving. ■ Starting the engine ■ Driving Automatic transmission With the brake pedal depressed, shift the shift lever to D. Release the parking brake. Gradually release the brake pedal and gently depress the acceler ...