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:
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Components
COMPONENTS
ILLUSTRATION
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Other materials:
Route cannot be Calculated
PROCEDURE
1.
SET DESTINATION
(a) Set another destination and check if the system can calculate the route correctly.
OK:
Route can be correctly calculated.
OK
NORMAL OPERATION
NG
PROCEED TO NEXT SUSPECTED AREA SHOWN ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE BRAKE MASTER CYLINDER RESERVOIR FILLER CAP ASSEMBLY
2. REMOVE BRAKE MASTER CYLINDER RESERVOIR STRAINER
3. REMOVE BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY
(a) Fix the brake master cylinder in a vise between aluminum plates.
NOTICE:
Do not overtighten the vise.
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Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
If a trouble code is indicated while checking DTCs, inspect the circuit listed
for that code in the table below, and proceed to the applicable page.
Cruise Control System
DTC Code
Detection Item
MIL
See page
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