Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT HEADLIGHT DIMMER SWITCH ASSEMBLY

(a) Check the resistance.

(1) Measure the resistance according to the value(s) in the table below.

Text in Illustration

*a

Component without harness connected

(Headlight Dimmer Switch Assembly)

Standard Resistance:

Light Control Switch (w/o DRL OFF function)

Tester Connection

Switch Condition

Specified Condition

18 (T) - 15 (EL)

Light control switch OFF

10 kΩ or higher

19 (H) - 15 (EL)

10 kΩ or higher

18 (T) - 15 (EL)

Light control switch in tail position

Below 1 Ω

18 (T) - 15 (EL)

Light control switch in head position

Below 1 Ω

19 (H) - 15 (EL)

Below 1 Ω

Light Control Switch (w/ DRL OFF function)

Tester Connection

Switch Condition

Specified Condition

18 (T) - 15 (EL)

Light control switch DRL-OFF

10 kΩ or higher

19 (H) - 15 (EL)

10 kΩ or higher

20 (A) - 15 (EL)

10 kΩ or higher

18 (T) - 15 (EL)

Light control switch in tail position

Below 1 Ω

18 (T) - 15 (EL)

Light control switch in head position

Below 1 Ω

19 (H) - 15 (EL)

Below 1 Ω

20 (A) - 15 (EL)

Light control switch in AUTO position

Below 1 Ω

20 (A) - 15 (EL)

Light control switch in DRL position

Below 1 Ω

Dimmer Switch

Tester Connection

Switch Condition

Specified Condition

16 (HL) - 15 (EL)

Dimmer switch in low position

Below 1 Ω

14 (HU) - 15 (EL)

10 kΩ or higher

14 (HU) - 15 (EL)

Dimmer switch in high position

Below 1 Ω

14 (HU) - 15 (EL)

Dimmer switch in high flash position

Below 1 Ω

17 (HF) - 15 (EL)

Below 1 Ω

Turn Signal Switch

Tester Connection

Switch Condition

Specified Condition

12 (TR) - 15 (EL)

Neutral

10 kΩ or higher

11 (TL) - 15 (EL)

10 kΩ or higher

13 (CR) - 15 (EL)

10 kΩ or higher

12 (TR) - 15 (EL)

Right turn

Below 1 Ω

13 (CR) - 15 (EL)

Right turn fully

Below 1 Ω

11 (TL) - 15 (EL)

Left turn

Below 1 Ω

13 (CR) - 15 (EL)

Left turn fully

Below 1 Ω

Fog Light Switch

Tester Connection

Switch Condition

Specified Condition

9 (BFG) - 8 (LFG)

Fog light switch off

10 kΩ or higher

9 (BFG) - 8 (LFG)

Fog light switch in front position

Below 1 Ω

If the result is not as specified, replace the headlight dimmer switch assembly.

Removal
REMOVAL PROCEDURE 1. REMOVE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY (See page ) 2. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY 3. REMOVE HEADLIGHT DIMMER SWITCH ASSEMBLY (a) Disconnect ...

Installation
INSTALLATION PROCEDURE 1. INSTALL HEADLIGHT DIMMER SWITCH ASSEMBLY (a) Engage the 3 claws to install the headlight dimmer switch assembly. (b) Connect the connector. 2. INSTALL WINDSHIELD WIPER S ...

Other materials:

Display does not Dim when Light Control Switch is Turned ON
PROCEDURE 1. CHECK IMAGE QUALITY SETTING (a) Display the "Display Settings" screen. (b) Turn the light control switch to the tail or head position. (c) Check if "Day Mode" on the display adjustment screen is on. OK: "Day Mode" sett ...

Light bulbs
You may replace the following bulbs yourself. The difficulty level of replacement varies depending on the bulb. If necessary bulb replacement seems difficult to perform, contact your Toyota dealer. For more information about replacing other light bulbs, contact your Toyota dealer. ■ Prep ...

Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION (a) Blind spot monitor data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and to repair it. 2. CHECK DLC3 (a) Check ...

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