Toyota Tacoma (2015-2018) Service Manual: Road Test

Toyota Tacoma (2015-2018) Service Manual / Cruise Control / Cruise Control System(for 2gr-fks) / Road Test

ROAD TEST

HINT:

'SET' and '-', 'RES' and '+', 'ON-OFF' functions share the same switch. Operate the cruise control main switch according to the directions indicated on the switch.

1. INSPECT 'SET' FUNCTION

(a) Push the ON-OFF button on (A).

(b) Drive at the vehicle at a desired speed 40 km/h (25 mph) or higher.

(d) After releasing the lever, check that the vehicle cruises at the set speed.

2. INSPECT '+' FUNCTION

(a) Set a desired speed as in step 1.

(b) Check that the vehicle speed increases while the control switch lever is pushed up to "+/RES" (C).

(d) Momentarily (approximately 0.6 seconds) push up the control switch lever to the "+/RES", and then release it. Check that the vehicle speed increases by approximately 1.0 km/h or 1 mph with each lever operation (Tap-up function).

3. INSPECT '-' FUNCTION

(a) Set a desired speed as in step 1.

(b) Check that the vehicle speed decreases while the control switch lever is pushed down to "-/SET" (E).

(d) Momentarily (approximately 0.6 seconds) push down the control switch to "-/SET", and then release it. Check that the vehicle speed decreases by approximately 1.0 km/h or 1 mph with each lever operation (Tap-down function).

HINT:

The cruise control system automatically cancels when the vehicle speed decreases to below 40 km/h (25 mph).

4. INSPECT 'CANCEL' FUNCTION

(a) Set a desired speed as in step 1.

(b) Check that the system cancels cruise control when one of the following is conducted:

(1) Depressing the brake pedal.

(2) Shifting into any position except D and S while driving.

(3) Pushing the cruise control main switch ON-OFF button off (G).

(4) Pulling the cruise control switch lever to "CANCEL" (H).

5. INSPECT ' RES (RESUME)' FUNCTION

(a) Set a desired speed as in step 1.

(1) After canceling the cruise control according to any of the above operations except (G), push up the switch lever to "+/RES" at a speed of 40 km/h (25 mph) or higher (I).

(2) Check that the vehicle resumes the previously set speed.

HINT:

The 'RES' function does not resume the set speed when the vehicle speed decreases to below 40 km/h (25 mph).

Problem Symptoms Table

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Diagnosis System

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Other materials:

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