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:
All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch or Door
Key Cylinder
DESCRIPTION
The main body ECU (multiplex network body ECU) receives switch signals from the
power window regulator master switch assembly and driver door key cylinder lock
or unlock switch signals from the front door lock assembly. The main body ECU (multiplex
network body ECU) activates the ...
Rear Airbag Sensor LH Circuit Malfunction (B1635/24)
DESCRIPTION
The airbag sensor LH consists of parts such as the safing sensor, the diagnostic
circuit and the lateral deceleration sensor.
When the airbag sensor assembly receives signals from the lateral deceleration
sensor, it determines whether or not the SRS should be activated.
DTC B1635/ ...
Clearance Sonar Main Switch
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE INSTRUMENT PANEL LOWER CENTER FINISH PANEL
(See page )
2. REMOVE BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY
(a) Disengage the 2 claws to remove the back sonar or clearance sonar
switch assembly.
...
