Toyota Tundra (2015 year). Manual — part 2971
passenger seat.
Place the weight on the seat cushion and allow it to come into contact with the seatback.
(b) Turn the ignition switch to ON.
(c) Fasten the driver seat belt.
(d) When the front passenger seat belt is not fastened with the front passenger seat occupied, check that the
seat belt warning light on the combination meter assembly blinks for 6 seconds.
After 1.8 seconds, check that the seat belt warning light on the combination meter assembly changes from
blinking to illuminated.
(e) Lift up the vehicle using a swing arm type lift
.
(f) Start the engine.
(1) Step 1:
When the front passenger seat belt is not fastened, the shift lever is in any position other than P and the
parking brake is released for 30 seconds or more, check that the seat belt warning light on the
combination meter assembly blinks.
(2) Step 2:
When the front passenger seat belt is not fastened and the vehicle is driven at approximately 20 km/h
(12 mph) or more, check that the seat belt warning light on the combination meter assembly blinks.
After 59.6 seconds, check that the seat belt warning light on the combination meter assembly changes
from blinking to illuminated.
(3) Step 3:
Starting from step 1 with the seat belt warning light on the combination meter assembly blinking, when
the shift lever is moved to P, check that the seat belt warning light on the combination meter assembly
changes from blinking to illuminated.
(4) Step 4:
Starting from step 1 with the seat belt warning light on the combination meter assembly blinking, when
the parking brake is applied, check that the seat belt warning light on the combination meter assembly
changes from blinking to illuminated.
(5) Step 5:
Starting from step 1 with the seat belt warning light on the combination meter assembly blinking, the
front passenger seat belt not fastened and the weight on the front passenger seat, check that the seat
belt warning light on the combination meter assembly turns off when the weight is removed from the
front passenger seat.
(6) Step 6:
Starting from step 1 with the seat belt warning light on the combination meter assembly blinking, when
the front passenger seat belt is fastened, check that the seat belt warning light on the combination
meter assembly turns off.
3. INSPECT SEAT BELT WARNING BUZZER
HINT:
SEAT BELT: SEAT BELT WARNING SYSTEM: OPERATION CHECK;...
The seat belt warning buzzer can be customized. Make sure that this function is ON
.
Place the weight on the seat cushion and allow it to come into contact with the seatback.
(b) After turning the ignition switch to ON, if the driver seat belt is not fastened within 1.8 seconds, check that
the seat belt warning buzzer in the combination meter assembly sounds at 1.2 second intervals for 6
seconds.
(c) Lift up the vehicle using a swing arm type lift
.
(d) Start the engine.
(e) When the driver or front passenger seat belt is not fastened and the vehicle is driven at approximately 20
km/h (12 mph) or more, check that the seat belt warning buzzer in the combination meter assembly sounds
once.
(f) When 30 seconds have passed after the buzzer sounds, check that the seat belt warning buzzer in the
(h) Check that the seat belt warning buzzer in the combination meter assembly stops 29.6 seconds after it
and the engine is restarted, check that the buzzer sounds once again and then sounds according to the
appropriate pattern when the vehicle is driven at 20 km/h (12 mph) or more with the driver or front
passenger seat belt not fastened.
(j) After the seat belt warning buzzer in the combination meter assembly stops and the vehicle is driven at 20
km/h (12 mph) or more with the driver or front passenger seat belt fastened, when the driver or front
passenger seat belt is unfastened, check that the buzzer sounds once again and then sounds according to
the appropriate pattern.
(k) After the seat belt warning buzzer in the combination meter assembly stops sounding and the shift lever is
moved to R and then back to D, when the vehicle is driven at 20 km/h (12 mph) or more with the driver or
front passenger seat belt not fastened, check that the buzzer sounds once again and then sounds according
to the appropriate pattern.
SEAT BELT: SEAT BELT WARNING SYSTEM: OPERATION CHECK;...
Last Modified: 9-16-2014
6.6 A
Doc ID: RM000004N7R02JX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: SEAT BELT: SEAT BELT WARNING SYSTEM: CUSTOMIZE PARAMETERS; 2015 MY Tundra [08/2014 - ]
CUSTOMIZE PARAMETERS
1. CUSTOMIZE SEAT BELT WARNING SYSTEM
HINT:
The following items can be customized.
NOTICE:
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to ON.
(3) Turn the Techstream on.
(4) Enter the following menus: Customize Setting / Warning.
(5) Select the setting by referring to the table below.
Warning
DISPLAY
DEFAULT
CONTENT
SETTING
RELEVANT ECU
Driver Side Seatbelt Warning
Buzzer
ON
Function to sound the driver seat belt
warning buzzer
ON/OFF
Combination meter
assembly
Front Passenger Side
Seatbelt Warning Buzzer
ON
Function to sound the front passenger
seat belt warning buzzer
ON/OFF
HINT:
This setting is only valid when the vehicle is driven at 20 km/h (12 mph) or more.
SEAT BELT: SEAT BELT WARNING SYSTEM: CUSTOMIZE PARAM...
Last Modified: 9-16-2014
6.6 T
Doc ID: RM00000148Y0BWX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: SEAT BELT: SEAT BELT WARNING SYSTEM: PROBLEM SYMPTOMS TABLE; 2015 MY Tundra [08/2014 - ]
PROBLEM SYMPTOMS TABLE
HINT:
SYMPTOM
SUSPECTED AREA
SEE
PAGE
Driver side seat belt warning light does not operate
Airbag system
Front seat inner belt assembly LH
-
Combination meter assembly
-
Main body ECU (driver side junction block
assembly)
-
Front passenger side seat belt warning light malfunction
Airbag system
Occupant classification system
-
Front seat inner belt assembly RH
-
Combination meter assembly
-
Seat belt warning light does not operate for driver and
front passenger seats
Combination meter assembly
-
Seat belt warning buzzer does not operate
Combination meter assembly
-
SEAT BELT: SEAT BELT WARNING SYSTEM: PROBLEM SYMPTO...
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