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

Toyota Tacoma (2015-2018) Service Manual / Mirror / Power Mirror Control System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use the following procedure to troubleshoot the power mirror control system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

HINT:

In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
Gather as much information as possible for reference.
Past problems that seem unrelated may also help in some cases.

The following 5 items are important points in the problem analysis:

What	Vehicle model, system name
When	Date, time, occurrence frequency
Where	Road conditions
Under what conditions?	Running conditions, driving conditions, weather conditions
How did it happen?	Problem symptoms

3.	INSPECT 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.

4.	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

GO TO STEP 6

5.	OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check

Click here (b) Data List / Active Test

(b) Data List / Active Test

Click here (c) Terminals of ECU

Click here

6.	REPAIR OR REPLACE

7.	CONFIRMATION TEST

END

Precaution

PRECAUTION 1. IGNITION SWITCH EXPRESSIONS (a) The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are u ...

System Description

SYSTEM DESCRIPTION 1. FUNCTION OF MAIN COMPONENTS Component Function Vertical mirror motor Moves the mirror surface vertically in accordance with th ...

Other materials:

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART NOTICE: When removing any parts, turn the ignition switch off. HINT: If no abnormality is found when inspecting parts, check the skid control ECU and check for poor contact at ground points. When 2 or more DTCs are detected, perform each circuit insp ...

Components
COMPONENTS ILLUSTRATION *A for Access Cab - - *1 NO. 1 FRONT DOOR NAME PLATE *2 NO. 1 ROOF SIDE NAME PLATE ● Non-reusable part - - ILLUSTRAT ...

Power Source Circuit
DESCRIPTION This circuit provides power to operate the forward recognition camera. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following inspection procedure. PROCEDURE 1. CHECK HARNESS A ...