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 air conditioning system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

INSPECT BATTERY VOLTAGE

(a) Inspect the battery voltage.

Standard Voltage:

11 to 14 V

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

NEXT

3.

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

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

Result

Proceed to

CAN DTCs is not output

A

CAN DTCs is output

B

B

GO TO CAN COMMUNICATION SYSTEM

A

4.

CHECK FOR DTC*

(a) Check for DTCs and note any code that is output.

(b) Clear the DTCs.

(c) Recheck for DTCs. Based on the DTCs output above, try to force the air conditioning system to output DTCs by simulating the conditions indicated by the DTC.

Result

Proceed to

DTCs is not output

A

DTCs is output

B

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

A

5.

PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here

Result

Proceed to

Fault is not listed in Problem Symptoms Table

A

Fault is listed in Problem Symptoms Table

B

B

GO TO STEP 7

A

6.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Panel diagnosis (indicator check, sensor check)

Click here (b) Data List / Active Test

(b) Data List / Active Test

Click here (c) Terminals of ECU

(c) Terminals of ECU

Click here (d) On-vehicle Inspection

(d) On-vehicle Inspection

(e) Inspection

NEXT

7.

ADJUST, REPAIR OR REPLACE

NEXT

END

Customize Parameters
CUSTOMIZE PARAMETERS PROCEDURE 1. CUSTOMIZE AIR CONDITIONING SYSTEM (a) Customizing with the Techstream NOTICE: When the customer requests a change in a function, first make sure that ...

System Description
SYSTEM DESCRIPTION 1. GENERAL (a) The air conditioning system has the following controls. Control Outline Neural Network Control This control is ca ...

Other materials:

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Rear Console Box
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Dtc Check / Clear
DTC CHECK / CLEAR 1. DTC CHECK/CLEAR (When Using Techstream) (a) Check the DTC. (1) Turn the ignition switch off. (2) Connect the Techstream to the DLC3. (3) Turn the ignition switch to ON. (4) Turn the Techstream on. (5) Read the DTCs following the prompts on the Techstream screen. Enter the ...

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