ECU Power Source Circuit
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection procedure.
PROCEDURE
1.
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Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
Related Tacoma materials
Heater Relay
Inspection
INSPECTION
PROCEDURE
1. INSPECT HEATER RELAY
(a) Check the resistance.
(1) Using an ohmmeter, measure the resistance between each terminal.
Standard:
Tester Connection
Specified Condition
3 - 4
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Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) The vehicle ECUs use ISO 15765-4 communication protocol. The terminal arrangement
of the DLC3 complies with ISO 15031-3 and matches the ISO 15765-4 format.
Terminals No. (Symbols)
Terminal Description
Condition
Spe ...
Using the interior lights
Interior lights list
Interior light
Personal lights (Access Cab and
Double Cab models)
■Illuminated entry system
When the interior light switch is in the DOOR position, the interior light automatically
turns on/off according to whether the doors are locked/unlocked and whether the ...