Lexus ES: Operation Check
OPERATION CHECK
INPUT SIGNAL CHECK
(a) Connect the Techstream to the DLC3.
(b) Check the steering pad switch assembly using the Data List function of the Techstream (cruise control main switch, -SET switch, +RES switch and CANCEL switch).
Click here .gif)
| *1 | Steering Pad Switch Assembly |
| *a | Cruise Control Main Switch |
| *b | -SET Switch |
| *c | +RES Switch |
| *d | CANCEL Switch |
INSPECT CRUISE CONTROL MAIN SWITCH
(a) Turn the engine switch on (IG).
(b) Turn the dynamic radar cruise control system on using the cruise control main switch.
.png)
| *1 | Steering Pad Switch Assembly |
| *a | Cruise Control Main Switch |
(c) Check that the cruise control indicator (vehicle-to-vehicle distance control mode) in the combination meter assembly illuminates and "Radar Ready" is displayed on the multi-information display.
| *a | Cruise Control Indicator (Vehicle-to-vehicle Distance Control Mode) |
| *b | Multi-information Display |
(d) Turn the dynamic radar cruise control system off using the cruise control main switch. Check that the cruise control indicator (vehicle-to-vehicle distance control mode) in the combination meter assembly and "Radar Ready" on the multi-information display turn off.
(e) Turn the engine switch off with the cruise control indicator (vehicle-to-vehicle distance control mode) in the combination meter assembly illuminated and "Radar Ready" on the multi-information display displayed. Turn the engine switch back on (IG) and check that the cruise control indicator (vehicle-to-vehicle distance control mode) in the combination meter assembly and "Radar Ready" on the multi-information display are turned off.
INSPECT MODE SELECT
(a) Turn the engine switch on (IG).
(b) Push and hold the cruise control main switch for 1.5 seconds or more with the dynamic radar cruise control system off to change to constant speed control mode.
| *1 | Steering Pad Switch Assembly |
| *a | Cruise Control Main Switch |
NOTICE:
Do not push any other switches before pushing the cruise control main switch. If any other switches are pushed, turn the dynamic radar cruise control system off and repeat the above procedure.
(c) Check that the cruise control indicator (vehicle-to-vehicle distance control mode) in the combination meter assembly and "Radar Ready" on the multi-information display turn off and the cruise control indicator (constant speed control mode) illuminates.
| *a | Cruise Control Indicator (Vehicle-to-vehicle Distance Control Mode) |
| *b | Multi-information Display |
| *c | Cruise Control Indicator (Constant Speed Control Mode) |
INSPECT VEHICLE-TO-VEHICLE DISTANCE CONTROL SWITCH
(a) Turn the engine switch on (IG).
(b) Turn the dynamic radar cruise control system on using the cruise control main switch.
| *1 | Steering Pad Switch Assembly |
| *a | Cruise Control Main Switch |
HINT:
When in constant speed control mode, the vehicle-to-vehicle distance cannot be changed.
(c) Press the vehicle-to-vehicle distance control switch.
| *1 | Steering Pad Switch Assembly |
| *a | Vehicle-to-vehicle Distance Control Switch |
(d) Check that the indicator of the vehicle-to-vehicle distance, which is shown on the multi-information display in the combination meter assembly changes from long to middle to short in that order.
HINT:
Long is automatically selected each time the engine switch is turned on (IG).
READ NEXT:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
Before replacing the ECM, refer to Registration.
Click here
When replacing the millimeter wave radar sensor assembly, always replace it with a new one. If a mill
Terminals Of Ecu
TERMINALS OF ECU CHECK ECM HINT: As a waterproof connector is used for the ECM, voltage, resistance and waveform inspections cannot be performed. The voltage, resistance and waveform values are provi
Diagnosis System
DIAGNOSIS SYSTEM DIAGNOSIS FUNCTION (a) The diagnosis function turns off the cruise control indicator, illuminates the master warning light and displays a warning message when a malfunction is detecte
SEE MORE:
Throttle/Pedal Position Sensor/Switch "B" Circuit Short to Ground (P022011)
DESCRIPTION Refer to DTC P012011. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P022011 Throttle/Pedal Position Sensor/Switch "B" Circuit Short to Ground The output voltage of VTA2 is less than 2.05 V for 2 seconds or more (1 trip det
Components
COMPONENTS ILLUSTRATION *1 AIR CLEANER CAP WITH AIR CLEANER HOSE *2 THROTTLE BODY GASKET *3 THROTTLE BODY WITH MOTOR ASSEMBLY *4 VACUUM HOSE *5 NO. 1 FUEL VAPOR FEED HOSE *6 NO. 2 VENTILATION HOSE *7 NO. 2 WATER BY-PASS HOSE *8 NO. 3 WATER BY-PASS HOSE
