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

A

6.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Data List / Active Test

Click here (b) Terminals of ECU

(b) Terminals of ECU

Click here (c) On-vehicle Inspection

(c) On-vehicle Inspection

(d) Inspection

NEXT

7.

ADJUST, REPAIR OR REPLACE

NEXT

END

Precaution
PRECAUTION 1. EXPRESSIONS OF IGNITION SWITCH HINT: The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below ...

System Description
SYSTEM DESCRIPTION 1. GENERAL (a) The air conditioning system has the following controls. Control Outline Manual Control The air conditioner amplif ...

Other materials:

Rear Occupant Classification Sensor RH Collision Detection (B1788)
DESCRIPTION DTC B1788 is set when the occupant detection ECU receives a collision detection signal, which is sent by the occupant classification sensor rear RH when an accident occurs. DTC B1788 is also set when the front seat with adjuster frame assembly RH is subjected to a strong impact, ...

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. REMOVE FRONT DOOR LOWER FRAME BRACKET GARNISH (See page ) 2. REMOVE FRONT DOOR INSIDE HANDLE BEZEL PLUG (See page ) 3. ...

Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device
PROCEDURE 1. CHECK USING ANOTHER "Bluetooth" AUDIO COMPATIBLE VEHICLE OF SAME MODEL (a) Check if track information is displayed normally on another "Bluetooth" audio compatible vehicle of the same model. OK: Track information is displayed no ...

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