Toyota Tundra (2015 year). Manual — part 2212
Last Modified: 9-16-2014
6.6 D
Doc ID: RM0000030L8017X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: WINDSHIELD / WINDOWGLASS: WINDOW DEFOGGER SYSTEM: OPERATION CHECK; 2015 MY Tundra
[08/2014 - ]
OPERATION CHECK
1. CHECK WINDOW DEFOGGER OPERATION
(a) Turn the ignition switch ON.
(b) Check that pressing the air conditioning control assembly (rear window defogger switch) illuminates the
indicator and warms the rear window surface.
(c) Check that after approximately 15 minutes, the indicator light turns off and the window defogger
deactivates.
WINDSHIELD / WINDOWGLASS: WINDOW DEFOGGER SYSTEM...
Last Modified: 9-16-2014
6.6 T
Doc ID: RM000002ZCA04JX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: WINDSHIELD / WINDOWGLASS: WINDOW DEFOGGER SYSTEM: PROBLEM SYMPTOMS TABLE; 2015 MY
Tundra [08/2014 - ]
PROBLEM SYMPTOMS TABLE
HINT:
Window Defogger System
SYMPTOM
SUSPECTED AREA
SEE
PAGE
Window defogger system does not
operate
Proceed to "Rear Window Defogger System does not
Operate"
WINDSHIELD / WINDOWGLASS: WINDOW DEFOGGER SYSTEM...
Last Modified: 9-16-2014
6.6 U
Doc ID: RM000002ZC903RX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: WINDSHIELD / WINDOWGLASS: WINDOW DEFOGGER SYSTEM: TERMINALS OF ECU; 2015 MY Tundra
[08/2014 - ]
TERMINALS OF ECU
1. CHECK AIR CONDITIONING AMPLIFIER
(a) Disconnect the J19 air conditioning amplifier connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.
TERMINAL NO.
(SYMBOLS)
WIRING COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
J19-1 (IG+) - J19-14
(GND)
P - W-B
Ignition power supply
Ignition switch
ON
11 to 14 V
Ignition switch
OFF
Below 1 V
J19-21 (B) - J19-14
(GND)
BR - W-B
Battery power source
Always
11 to 14 V
J19-14 (GND) - Body
ground
W-B - Body
ground
Ground
Always
Below 1 Ω
J19-37 (LIN1) - J19-14
(GND)
SB - W-B
LIN communication
signal
Ignition switch
ON
Pulse generation
(c) Reconnect the J19 air conditioning amplifier connector.
(d) Measure the voltage according to the value(s) in the table below.
TERMINAL NO.
(SYMBOLS)
WIRING
COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
J19-38 (RDEF) -
J19-14 (GND)
W - W-B
Defogger relay
Ignition switch ON, rear window
defogger switch off
11 to 14 V
Ignition switch ON, rear window
defogger switch on
Below 1 V
2. CHECK AIR CONDITIONING CONTROL ASSEMBLY
WINDSHIELD / WINDOWGLASS: WINDOW DEFOGGER SYSTEM...
(a) Disconnect the J127 air conditioning control assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
TERMINAL NO.
(SYMBOLS)
WIRING COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
J127-4 (IG+) - J127-5
(GND)
SB - W-B
Ignition power supply
Ignition switch
ON
11 to 14 V
Ignition switch
OFF
Below 1 V
J127-5 (GND) - Body
ground
W-B - Body
ground
Ground
Always
Below 1 Ω
J127-7 (STX) - J127-5
(GND)
SB - W-B
LIN communication
signal
Ignition switch
ON
Pulse generation
WINDSHIELD / WINDOWGLASS: WINDOW DEFOGGER SYSTEM...
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