Toyota Tundra (2015 year). Manual — part 2106
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
REPLACE MAIN BODY ECU
LIGHTING: LIGHTING SYSTEM: Door Courtesy Switch Circuit; 201...
Last Modified: 9-16-2014
6.6 J
Doc ID: RM000002WKY011X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: LIGHTING: LIGHTING SYSTEM: Illumination Circuit; 2015 MY Tundra [08/2014 - ]
Illumination Circuit
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
Inspect the bulbs for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1.
PERFORM ACTIVE TEST USING TECHSTREAM (ILLUMINATION LIGHT)
(a) Operate the Techstream according to the steps on the display and select "Active Test".
Main Body
LIGHTING: LIGHTING SYSTEM: Illumination Circuit; 2015 MY Tund...
OK
TESTER DISPLAY
TEST PART
CONTROL RANGE
DIAGNOSTIC NOTE
Relay for Interior Light Auto Cut Function
DOME relay
ON or OFF
-
Result
RESULT
PROCEED TO
OK
A
NG (Only transponder key light does not turn on)
B
NG (Only foot light does not turn on)
C
B
GO TO STEP 2
C
GO TO STEP 4
D
GO TO STEP 6
A
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN
PROBLEM SYMPTOMS TABLE
2.
INSPECT TRANSPONDER KEY AMPLIFIER
(a) Remove the transponder key amplifier
.
(b) Connect the battery's positive (+) lead to terminal 2 (ILL+)
and the negative (-) lead to terminal 6 (ILL-), and then check
that the light turns on.
OK:
Transponder key light turns on.
NG
REPLACE TRANSPONDER KEY AMPLIFIER
3.
CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY AMPLIFIER - MAIN BODY ECU
AND BATTERY)
LIGHTING: LIGHTING SYSTEM: Illumination Circuit; 2015 MY Tund...
(a) Disconnect the J20 amplifier connector.
(b) Disconnect the DD ECU connector.
(c) Measure the voltage according to the value(s) in the table below.
Standard voltage:
TESTER CONNECTION
CONDITION
SPECIFIED
CONDITION
J20-2 (ILL+) - Body
ground
Battery saving control (interior light auto cut function) not
operating
11 to 14 V
(d) Measure the resistance according to the value(s) in the table below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
J20-6 (ILL-) - DD-51 (ILE)
Always
Below 1 Ω
J20-6 (ILL-) - Body ground
Always
10 kΩ or higher
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
REPLACE MAIN BODY ECU
4.
INSPECT FOOT LIGHT
LIGHTING: LIGHTING SYSTEM: Illumination Circuit; 2015 MY Tund...
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