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:
Taillight Relay Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls the operation of the
TAIL relay.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the following inspection procedure.
If the main body EC ...
Open in One Side of Bus 3 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
Check" screen that is indicated as not communicating or whose connection status
on the "Communication Bus Ch ...
Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT SEAT ASSEMBLY (for Driver Side)
(See page )
2. REMOVE FRONT SEAT ASSEMBLY (for Front Passenger Side)
(See page )
3. REMOVE SEPARATE TYPE FRONT SEAT CUSHION COVER (for Driver Side)
(See page )
4. REMOVE SEPARATE TYPE FRONT SEAT CUSHION COVER (for Front Pas ...
