Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT DRIVER SEAT BELT WARNING LIGHT

HINT:

The seat belt warning light on the combination meter assembly is used for both the driver seat and front passenger seat.

(a) Turn the ignition switch to ON.

(b) When the driver seat belt is not fastened, check that the seat belt warning light on the combination meter assembly blinks for 6 seconds.

Check that the seat belt warning light on the combination meter assembly changes from blinking to illuminated.

(c) Lift up the vehicle using a swing arm type lift (See page (d) Start the engine. ).

(d) Start the engine.

(e) Check the state of the seat belt warning light on the combination meter assembly under the following conditions:

(1) Step 1:

When the driver seat belt is not fastened, the shift lever is in any position other than P and the parking brake is released for 24 seconds or more, check that the seat belt warning light on the combination meter assembly blinks.

(2) Step 2:

When the driver 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 53.6 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, when the driver seat belt is fastened, check that the seat belt warning light on the combination meter assembly turns off.

2. INSPECT FRONT PASSENGER SEAT BELT WARNING LIGHT

HINT:

The seat belt warning light on the combination meter assembly is used for both the driver seat and front passenger seat.

(a) Place a weight of 20 kg (44.0 lb) on the front passenger seat.

NOTICE:

Place the weight on the seat cushion and allow it to come into contact with the seatback.

(b) Fasten the driver seat belt.

(c) Turn the ignition switch to ON.

(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.

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 (See page (f) Start the engine. ).

(f) Start the engine.

(g) Check the state of the seat belt warning light on the combination meter assembly under the following conditions:

(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 24 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 53.6 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, with 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:

The seat belt warning buzzer can be customized. Make sure that this function is ON (See page (a) Place a weight of 20 kg (44.0 lb) on the front passenger seat. ).

(a) Place a weight of 20 kg (44.0 lb) on the front passenger seat.

NOTICE:

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 an interval of 1.2 seconds for 6 seconds.

(c) Lift up the vehicle using a swing arm type lift (See page See page (d) Start the engine. ).

(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 24 seconds have passed after the buzzer sounded, check that the seat belt warning buzzer in the combination meter assembly sounds at an interval of 1.2 seconds for 9.6 seconds.

(g) After the seat belt warning buzzer has been sounding for 9.6 seconds at an interval of 1.2 seconds, check that the seat belt warning buzzer in the combination meter assembly sounds at an interval of 0.4 seconds for 20 seconds.

(h) Check that the seat belt warning buzzer in the combination meter assembly stops 29.6 seconds after it started sounding at an interval of 1.2 seconds.

(i) After the seat belt warning buzzer in the combination meter assembly stops, the ignition switch is turned off 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, move the shift lever to R, and then move it to D. Drive the vehicle at 20 km/h (12 mph) or more with the driver or front passenger seat belt not fastened, and check that the buzzer sounds once again and then sounds according to the appropriate pattern.

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Front Passenger Side Seat Belt Warning Light Malfunction
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Other materials:

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