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...