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
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
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:
Speaker Circuit
DESCRIPTION
If there is a short in a speaker circuit, the stereo component amplifier assembly*1
or navigation receiver assembly*2 detects it and stops output to the speakers.
Thus sound cannot be heard from the speakers even if there is no malfunction
in the stereo component amplifier assembly ...
Key-off Operation Function Operates even if Operating Conditions are not Satisfied
DESCRIPTION
When the front doors are closed, each power window regulator motor assembly
can control its power window operation for approximately 43 seconds after
the ignition switch is turned from ON to off by receiving operation permission
signals from the main body ECU.
How ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The ECU stores trouble codes when malfunctions occur.
The diagnostic system allows for reading of the trouble codes from the DLC3.
Use the Techstream to help diagnose and repair the problem.
2. CHECK DLC3
(a) Check the DLC3 (See page ).
3. INSPECT BATTERY VOLT ...