Toyota Tacoma (2015-2018) Service Manual: 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.
(c) Push down the control switch lever to "-/SET" to set the cruising speed (B).
(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).
(c) Check that the vehicle cruises at the newly set speed when the switch is released (D).
(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).
(c) Check that the vehicle cruises at the newly set speed when the switch is released (F).
(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
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the causes of the problem symptom.
The potential causes of the symptoms are listed in order of probability
in the & ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The ECM stores DTCs (Diagnostic Trouble Codes) when trouble occurs on the vehicle.
The diagnosis system allows reading of DTCs stored in the ECM when a the Techstre ...
Other materials:
Driving the vehicle
The following procedures should be observed to ensure safe driving.
■ Starting the engine
■ Driving
Automatic transmission
With the brake pedal depressed,
shift the shift lever to D.
Release the parking brake.
Gradually release the brake pedal
and gently depress the acceler ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT CURTAIN SHIELD AIRBAG ASSEMBLY (for Vehicle not Involved in Collision)
(a) Perform a Diagnostic System Check (See page
).
(b) With the curtain shield airbag installed on the vehicle, perform
a visual check. If any of the defects mention ...
Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter
DESCRIPTION
The No. 1 stereo jack adapter assembly sends the sound signal from an external
device to the navigation receiver assembly via this circuit.
If there is an open or short in the circuit, sound cannot be heard from the speakers
even if there is no malfunction in the stereo component a ...
