Toyota Tundra Service Manual: Road Test

ROAD TEST

PROBLEM SYMPTOM CONFIRMATION

(a) Inspect the SET function.

(1) Turn the cruise control system on using the cruise control main switch (ON-OFF button).

*a

ON-OFF

(2) Check that the cruise control indicator illuminates in the combination meter assembly.

(3) Drive at a speed between approximately 40 km/h (25 mph) and 200 km/h (125 mph).

*a

Cruise Control Indicator

(4) Push the cruise control main switch to -SET.

*a

-SET

*b

Cruise Control SET Indicator

(5) Check that the cruise control indicator remains illuminated, the cruise control SET indicator illuminates in the combination meter assembly and the set speed is displayed on the multi-information display.

(6) After releasing the switch, check that the vehicle maintains the set speed.

(b) Inspect the + (ACCEL) function.

(1) Turn the cruise control system on using the cruise control main switch (ON-OFF button).

*a

ON-OFF

(2) Drive at a speed between approximately 40 km/h (25 mph) and 200 km/h (125 mph).

(3) Push the cruise control main switch to +RES.

*a

+RES

(4) Check that vehicle speed increases while the cruise control main switch is pushed to +RES, and that the vehicle maintains the newly set speed when the switch is released.

(5) Push the cruise control main switch to +RES and then release it immediately. Check that vehicle speed increases by approximately 1 km/h or 1 mph (tap-up control).

(c) Inspect the - (COAST) function.

(1) Turn the cruise control system on using the cruise control main switch (ON-OFF button).

*a

ON-OFF

(2) Drive at a speed between approximately 40 km/h (25 mph) and 200 km/h (125 mph).

(3) Push the cruise control main switch to -SET.

(4) Check that vehicle speed decreases while the cruise control main switch is pushed to -SET, and the vehicle maintains the newly set speed when the switch is released.

*a

-SET

(5) Push the cruise control main switch to -SET, and then release it immediately. Check that vehicle speed decreases by approximately 1 km/h or 1 mph (tap-down control).

(d) Inspect the CANCEL function.

(1) Turn the cruise control system on using the cruise control main switch (ON-OFF button).

*a

ON-OFF

(2) Drive at a speed between approximately 40 km/h (25 mph) and 200 km/h (125 mph).

(3) Push the cruise control main switch to -SET.

*a

-SET

(4) When any of the following are performed, check that control of vehicle speed by the cruise control system is canceled and that the normal driving mode (no control of vehicle speed by the cruise control system) resumes.

  • Depressing the brake pedal.
  • Moving the shift lever from D or S to any other position.
  • Selecting the 3rd, 2nd or 1st range with the shift position in S.
  • Pulling the cruise control main switch to CANCEL.
  • Turning the cruise control system off using the cruise control main switch (ON-OFF button).
  • The brakes are applied with the manual trailer brake output slider.*

*a

CANCEL

*: for Trailer Brake Control System

(e) Inspect the RES (RESUME) function.

(1) Turn the cruise control system on using the cruise control main switch (ON-OFF button).

*a

ON-OFF

(2) Drive at a speed between approximately 40 km/h (25 mph) and 200 km/h (125 mph).

(3) Push the cruise control main switch to -SET.

*a

-SET

(4) Cancel control of vehicle speed by the cruise control system by performing any of the above operations (other than turning the cruise control system off using the cruise control main switch (ON-OFF button)).

(5) After pushing the cruise control main switch to +RES while driving the vehicle at a speed of more than 40 km/h (25 mph), check that the vehicle resumes the speed set prior to cancellation.

*a

+RES

    Problem Symptoms Table

    System Description

    See More:

    Toyota Tundra Service Manual > Steering System: Problem Symptoms Table
    PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. R ...

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