Toyota Sienna Service Manual: Operation check

1. INPUT SIGNAL CHECK

1.  Connect the intelligent tester to the DLC3.
2.  Check the cruise control main switch using the DATA LIST function in the intelligent tester (ONOFF, CANCEL, - (COAST)/SET, + (ACCEL)/RES (RESUME), and MODE).

2. INSPECT MODE SWITCH

1.  Turn the ignition switch to the ON position.

2. Turn the cruise control main switch on. Then push the main switch to MODE for 1 second or more to change to the constant speed control mode. Check that "NORM." is indicated on the display.

NOTICE: Do not push any other switches before pushing the main switch to MODE. If another switch is pushed, turn the main switch off and repeat the procedure above. HINT: If a malfunction is detected, turn the ignition switch off and repeat the procedure above.

3. INSPECT STEERING PAD SWITCH ASSEMBLY

1.  Turn the ignition switch to the ON position.
2.  Turn the cruise control main switch on.
3.  Turn on the distance control switch of the steering pad switch.

4. Check that the indication of the vehicle-to-vehicle distance, which is shown on the multi-information display on the combination meter, changes from long to middle to short in that order.

HINT: The indication is automatically set to long each time the engine is started.