Toyota Tundra (2015 year). Manual — part 2211
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000002ZCB04MX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: WINDSHIELD / WINDOWGLASS: WINDOW DEFOGGER SYSTEM: SYSTEM DESCRIPTION; 2015 MY Tundra
[08/2014 - ]
SYSTEM DESCRIPTION
1. GENERAL
The defogger system's thin heater wires are attached to the rear window and defog the rear window surface
quickly. The indicator light illuminates while the system is operating. The system automatically turns off after
approximately 15 minutes.
2. FUNCTION OF MAIN COMPONENT
COMPONENT
OUTLINE
Air conditioning control
assembly (rear window defogger
switch)
Located on air conditioning control assembly , detects rear window defogger
switch operation and transmits signals to air conditioning amplifier through
LIN communication line
Defogger relay
Receives rear window defogger activation request signals from air
conditioning amplifier and supplies power to rear window defogger
Back window glass (defogger
wire)
Receives power from defogger relay and heats back window glass (defogger
wire)
3. DESCRIPTION
FUNCTION
OUTLINE
Rear window
defogger
Defogger relay receives rear window defogger activation request signals from air
conditioning amplifier and defogs rear window surface
Receives power from defogger relay and heats back window glass (defogger wire)
WINDSHIELD / WINDOWGLASS: WINDOW DEFOGGER SYSTEM...
NEXT
NEXT
A
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000002ZC7061X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: WINDSHIELD / WINDOWGLASS: WINDOW DEFOGGER SYSTEM: HOW TO PROCEED WITH
TROUBLESHOOTING; 2015 MY Tundra [08/2014 - ]
HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
Use these procedures to troubleshoot the window defogger system.
*: Use the Techstream.
1.
VEHICLE BROUGHT TO WORKSHOP
2.
INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
3.
CHECK LIN COMMUNICATION SYSTEM
(a) Check if the LIN communication system is functioning normally
.
Result
RESULT
PROCEED TO
LIN communication system is normal
A
LIN communication system is not normal
B
B
Go to LIN COMMUNICATION SYSTEM
WINDSHIELD / WINDOWGLASS: WINDOW DEFOGGER SYSTEM...
A
NEXT
NEXT
4.
PROBLEM SYMPTOMS TABLE
(a) Refer to the problem symptoms table
.
Result
RESULT
PROCEED TO
Fault is not listed in problem symptoms table
A
Fault is listed in problem symptoms table
B
B
Go to step 6
5.
OVERALL ANALYSIS AND TROUBLESHOOTING*
(c) Operation Check
6.
REPAIR OR REPLACE
7.
CONFIRMATION TEST
NEXT
END
WINDSHIELD / WINDOWGLASS: WINDOW DEFOGGER SYSTEM...
WINDSHIELD / WINDOWGLASS: WINDOW DEFOGGER SYSTEM...
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