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

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

CAUTION / NOTICE / HINT

HINT:

Use these procedures to troubleshoot the lighting system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

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

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 DTC is not output	A
CAN DTC is output	B

GO TO CAN COMMUNICATION SYSTEM

4.	CHECK FOR DTC*

(a) Clear the DTC.

Click here (b) Recheck for DTC.

(b) Recheck for DTC.

Click here

Result	Proceed to
DTC is not output	A
DTC is output	B

GO TO DIAGNOSTIC TROUBLE CODE CHART

5.	PROBLEM SYMPTOMS TABLE

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

GO TO STEP 7

6.	OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check.

Click here

(b) Terminals of ECU.

Click here

7.	ADJUST, REPAIR OR REPLACE

8.	CONFIRMATION TEST

END

Customize Parameters

CUSTOMIZE PARAMETERS 1. CUSTOMIZING FUNCTION WITH TECHSTREAM NOTICE: When the customer requests a change in a function, first make sure that the function can be customized. Be sure ...

OPERATION CHECK 1. INSPECT INTERIOR LIGHT CONTROL OPERATION NOTICE: Perform this inspection with the customize parameters at the default settings. The interior light control illuminates the lights ...

Other materials:

Detachable pole antenna
The antenna can be removed. ■ Removing the antenna Place the included wrench around the antenna. When not in use, the wrench is stored in glove box. Loosen the antenna with the wrench and remove it. ■ Installing the antenna Tighten the antenna by one hand until it will not t ...

Short to +B in Outer Mirror Indicator(Slave) (C1AB1)
DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects a +B short in the blind spot monitor indicator RH. DTC Code DTC Detection Condition Trouble Area C1AB1 With the blind spot monitor main switch assembly (warni ...

Rear Power Outlet Switch
Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT MAIN SWITCH ASSEMBLY (a) Check the main switch assembly. (1) Measure the resistance according to the value(s) in the table below. Text in Illustration *a Com ...