Toyota Tacoma (2015-2018) Service Manual: Headlight Dimmer Switch
Headlight Dimmer Relay
Inspection
INSPECTION
PROCEDURE
1. INSPECT HEADLIGHT DIMMER RELAY
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard:
...
Components
COMPONENTS
ILLUSTRATION
...
Other materials:
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Smart Key System
DTC Code
Detection Item
See page
B27A1
Open in Driver Side Electrical Antenna Circuit
B27A5
Open in Front Floor Electrical Key Oscillator Circuit
...
Diagnosis System
DIAGNOSIS SYSTEM
CHECK DLC3
(a) Check the DLC3.
Click here
FUNCTION OF WARNING INDICATOR AND MESSAGE
(a) If the lane departure alert system is not functioning properly, the driver
is warned by the lane departure alert indicator and multi-information display warning
message on the combinat ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals ...
