Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VIHE
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 -           ]
Title: CRUISE CONTROL: CRUISE CONTROL SYSTEM: ROAD TEST; 2016 - 2020 MY Sienna [12/2015 -        ]

ROAD TEST

1. PROBLEM SYMPTOM CONFIRMATION

(a) Inspect the SET function.

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

(2) Check that the cruise main indicator light illuminates (green) in the combination meter assembly.

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

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

(5) Check that the cruise control SET indicator light illuminates at this time.

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

Text in Illustration

*1

Cruise Main Indicator Light (Green)

*2

Cruise Control SET Indicator Light

(b) Inspect the + (ACCEL) function.

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

(2) Drive at a speed between 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 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 1.6 km/h (1.0 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).

(2) Drive at a speed between 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.

(5) Push the cruise control main switch to -/SET, and then release it immediately. Check that vehicle speed decreases by approximately 1.6 km/h (1.0 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).

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

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

(4) When any of the following are performed, check that cruise control system control of vehicle speed 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 to N.
  • Selecting the 3rd, 2nd or 1st range using the shift lever with the shift lever 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).

(e) Inspect the RES (RESUME) function.

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

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

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

(4) Cancel cruise control system control of vehicle speed 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 at a speed of more than 40 km/h (25 mph), check that the vehicle resumes the speed set prior to cancellation.