Operation Check

WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.

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 (ON/OFF, CANCEL, -/SET, +/RES, and MODE).
  
  Fig 1: Identifying Input Signal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT MODE SWITCH
1. Turn the ignition switch on.
  
  Fig 2: Inspecting Mode Switch
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  Dynamic laser cruise is default mode.
2. After pushing the ON-OFF button on, push the cruise control main switch to MODE for at least 1 second without any other control. Make sure that "NORMAL." is indicated and no indication is shown in the display.
  NOTE: 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.
  
  Fig 3: Identifying CRUISE Main Indicator Light And Multi-Information Display
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  If the system cannot switch to the constant speed control mode, push the ON-OFF button off once, and perform the same procedures as shown above. If a malfunction is still detected in the system, and then start the engine and perform the above procedure.
INSPECT STEERING PAD SWITCH ASSY
1. Turn the switch on.
2. Push on the ON-OFF button of the cruise control main switch.
3. Push on the distance control switch of the steering pad switch.
4. Check the indication multi-information display of the combination meter, changes from "LONG", "MIDDLE" to "SHORT" in order.
  
  Fig 4: Identifying Indication Multi-Information Display Of Combination Meter
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  The indication is immediately set to "LONG" each time the engine is started.