Lighting: Other Lexus RX II рестайлинг

PRECAUTION

1. PRECAUTION FOR DISCONNECTING THE BATTERY CABLE NOTE: When disconnecting the negative (-) battery terminal, initialize the following systems after the terminal is reconnected. LIGHTING SYSTEM REFERENCE System Name See procedure Lighting System «INITIALIZATION»(ref-282976-S16822617822008041400000) Power Window Control System Power Back Door System Back Door Closer System Power Door Lock Control System Electrical Back Door Outside Handle System SFI System
2. PRECAUTION FOR HEADLIGHT BULB REPLACEMENT (HALOGEN BULB) Halogen bulbs have pressurized gas inside and require special handling. They can burst if scratched or dropped. Hold the bulb only by its plastic or metal case. Do not touch the glass part of a bulb with bare hands.
3. PRECAUTION FOR HEADLIGHT BULB REPLACEMENT (HID BULB) When any defects such as deformation, crack, dent, chipping, etc. are identified on the HID headlight (especially, on the light control ECU), replace it with a new one. Even if the operation seems to be normal, the fail-safe function may be defective. Be careful not to scratch or drop bulbs of the HID headlight and halogen bulbs (for high beam headlights and fog lights) as they have pressurized gas inside and can be easily broken. Touching the high voltage socket of the HID headlight with the headlight dimmer switch ON could generate momentary high voltage of 20,000 V and lead to a serious injury. Never connect a tester to the high voltage socket of the HID headlight for measurement, as this may lead to a serious injury because of high voltage. When servicing the HID headlight, keep it away from water including rain, turn off the light control switch, and disconnect the battery terminal and the connector of the light control ECU in advance to avoid electric shock. When operating the HID headlight, operate it after assembling is completed and never turn on the lights without a bulb installed. Do not turn on the HID headlight using another power source except the vehicle's.

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1. AFS (Adaptive Front-Lighting System) The AFS operates to illuminate the best position for smooth driving by projecting the low beam depending on the vehicle speed and steering angle. Standard Operation The AFS ECU moves the low beam in the headlight considering the vehicle running condition, etc. VEHICLE TURNING CONDITION REFERENCE CHART Vehicle Turning Condition Head Light (Right Side) Head Light (Left Side) Right turn while driving Turns to right by maximum 5° Does not turn Left turn while driving Does not turn Turns to left by maximum 15° Start-up Conditions The AFS starts operating when the following conditions are met: ITEM CONDITION REFERENCE CHART Items Conditions Shift Position Other than R and N Engine Running Headlight Comes on Vehicle Speed 30 km/h (19 mph) or more Steering Angle 12° or more (varies depending on the vehicle speed) AFS OFF Switch Not pushed in HINT: The AFS continues operation as long as vehicle speed is kept above 6 km/h (3.6 mph) when operation has started once after vehicle speed reaches 30 km/h (19 mph) or more. The AFS continues operation as long as steering angle is kept at 10° or more when operation has started once after steering angle reaches 12° or more. Operation Stop Condition The AFS stops operating if any of the following condition are met: ITEM CONDITION REFERENCE CHART Items Conditions Shift Position R or N Engine Stops Headlight Goes Off Vehicle Speed 5 km/h (3 mph) or less Steering Angle 9° or less AFS OFF Switch Pushed in
2. Power Distributor: The power distributor installed in the J/B No.2 uses the no- contact type relay with a semiconductor. By using no-contact type semiconductor relays, the power distributor has been made more compact and lightweight than the previous relay box containing contact type relays. In addition to the function of the conventional relay box (Engine Room J/B), the Power Distributor has a function to protect the Power Distributor circuit if over current is applied to the Power Distributor or overheating occurs. The Power Distributor also has a mode monitor terminal for external checking of the operating condition (normal or protect condition) of the Power Distributor. Relay Type: RELAY REFERENCE CHART Relay Type Relay Type Head Light Relay (RH) Semiconductor Battery Fan Relay Semiconductor Head Light Relay (LH) Semiconductor IG1 Relay Contact DRL No.2 Relay Semiconductor RDI FAN No.1 Relay Contact DRL No.4 Relay Semiconductor RDI FAN No.2 Relay Contact Rear Defogger Relay Semiconductor IGCT Relay Contact Back-Up Light Relay Semiconductor BRK Relay Contact Horn Relay Semiconductor C/OPN Relay Contact A/C Water Pump Relay Semiconductor A/F Relay Contact When the semiconductor relay is operating normally, the mode monitor terminal outputs approximately 6.2 V. When the semiconductor relay operates in protect mode, the mode monitor terminal outputs about 2.0 V. However, the mode monitor terminal outputs for the overall operating condition of the power distributor, so it is not possible to specify the semiconductor relay during protect operation. When the fail-safe function operates, the power distributor performs the following operations: Stops the operation of the troubled semiconductor relay only. Stops the power supply to the troubled semiconductor relay circuit only. HINT: Normal semiconductor relay or circuit operates properly. While the fail-safe function operates, check for a short circuit in the following areas: Wire harness driven by relay on the terminal side and body ground. Inside the power distributor (including the semiconductor relay) The power distributor soon restores the semiconductor relay function, but if a load abnormality still continues, the power distributor again stops the semiconductor relay function, (except Rr-DEF Relay) The power distributor and the semiconductor relay function stop until the rear defogger switch turns on again. Then the rear defogger switch turns on again, the semiconductor relay function recovers, but if the load abnormality is not corrected by this time, the Power Distributor again stops the semiconductor relay function. If the load abnormality is corrected, the semiconductor relay function recovers when the rear defogger switch turns on again. (Rr-DEF Relay)

CUSTOMIZE PARAMETERS

HINT

The followings are the possible items to be customized.

Note. After confirming whether the items of the customer's request is applicable or not for the customized items, perform the customize operation. Be sure to record the current value before customizing. In case of performing the troubleshooting, pay attention as there is a possibility that the function is OFF by customizing. (Example: In case of the symptom in which "The wireless operation does not function", check that the wireless operation is not OFF by customizing, then perform the troubleshooting.)

ILLUMINATED ENTRY

ILLUMINATED ENTRY

LIGHT CONTROL

LIGHT CONTROL DISPLAY

HINT

Sensitivity adjustment can hardly be confirmed. Please check by customer's actual driving.

Illustration *1

ILLUSTRATION *1 REFERENCE

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INITIALIZATION

1. AFS ECU INITIALIZATION NOTE: Steering neutral point automatic correction (AFS ECU INITIALIZATION) is necessary under the following condition. Disconnecting the battery. Replacing the steering sensor or AFS ECU. Run the vehicle on the place where few curve or traffic congestion exist at least 100 m at the speed between 20 km/h (12 mph) and 80 km/h (48 mph). HINT: Steering neutral point correction begins automatically when turn the ignition switch on. Steering neutral point correction is automatically performed by vehicle running. AFS operation is prohibited when steering neutral point automatic correction is not performed or during automatic correction. AFS operation restarts when steering neutral point automatic correction is completed normally.
2. AFS ECU RE-INITIALIZATION (WHEN NOT USING INTELLIGENT TESTER) NOTE: This operation manually initializes the steering sensor when AFS operation is not normal due to abnormal automatic correction after completion of AFS INITIALIZATION. HINT: If it is necessary to initialize the steering sensor when not disconnecting the battery, it is also possible to re-set the signal from the steering sensor. When the centering point memorized in the steering sensor differs from the normal point, the AFS ECU malfunctions. In the case, re-initialize it. If the operation does not finishes within a specified time period, the system goes off the AFS indicator light and starts steering neutral point automatic correction. SHIFT TO INITIALIZATION Engine is running and shift range is in the P position. Press the AFS OFF switch eight times at approximately one-second interval (once for ON and once more for OFF, i.e. 4 times ON and 4 times OFF). HINT: The AFS OFF indicator light starts to blink twice per second. Initialization can be started when the AFS OFF switch is either in the "ON" or "OFF" position. When the AFS OFF switch is pressed eight times, it will return to its original state. NEXT: Go to next step INITIALIZATION OF AFS ECU Turn the steering wheel to adjust the tires so that they point straight ahead. Do not change the steering wheel position. Press the AFS OFF switch twice (once ON and once OFF). HINT: The AFS OFF indicator light stays lit for two seconds. When the AFS OFF switch is pressed twice, it will return to its original state. Do not change the steering wheel position and press the AFS OFF switch twice within 3 to 10 seconds. HINT: The AFS OFF indicator light stays lit for two seconds. When the AFS OFF switch is pressed twice, it will return to its original state. Do not change the steering wheel position and press the AFS OFF switch twice again within 3 to 10 seconds. NEXT: Go to next step CHECK COMPLETION OF AFS ECU INITIALIZATION When the initialization of the steering sensor signal is completed normally, the AFS OFF indicator light goes off, comes on, or blinks depending on the specific condition 3 second after the indicator light goes off. Result RESULT CHART Proceed to Result A Goes off: Initialization is started with the AFS OFF switch OFF (not pressed) Comes on: Initialization is started with the AFS OFF switch ON (pressed) B Blinks: Blinks twice per second HINT: Failure to complete initialization. Proceed to step 2 within 10 seconds. If 10 seconds elapse, the system starts steering neutral point automatic correction. B: GO TO STEP 2 A: END
3. AFS ECU RE-INITIALIZATION (WHEN USING INTELLIGENT TESTER) NOTE: This operation manually initializes the steering sensor when AFS operation is not normal due to abnormal automatic correction after completion of AFS INITIALIZATION. HINT: If it is necessary to initialize the steering sensor when not disconnecting the battery, it is also possible to reset the signal from the steering sensor. When the centering point memorized in the steering sensor differs from the normal point, the AFS ECU malfunctions. In the case, re-initialize it. If the operation does not finish within a specified time period, the system goes off the AFS indicator light and starts steering neutral point automatic correction. Connect the intelligent tester to the DLC3. Turn the ignition switch to the ON position and press the intelligent tester main switch ON. Select "STEER SENS INIT" on "DIAGNOSTICS MENU AFS" display. Turn the steering wheel with the engine starting until the tires face straight ahead, and press "ENTER". Check "CONFIRM" display and press "YES". NOTE: Do not turn the steering wheel while initializing and keep the tires facing straight ahead. Check the display for completion of the operation. HINT: If the operation above cannot be completed after several attempts, a malfunction in the steering sensor circuit is suspected.

FAIL-SAFE CHART

1. Light control ECU (HID) FAIL-SAFE CHART - LIGHT CONTROL ECU (HID) Trouble Area Condition High voltage circuit open Lighting of the headlight stops, the condition is maintained until power is turned ON again (headlight dimmer switch OFF --> ON). Short between high voltage Lighting of the headlight stops within 1 second and the condition is maintained until power is turned ON again (headlight dimmer switch OFF --> ON). Leakage between high voltage terminal and body ground Lighting of the headlight stops, the condition is maintained until power is turned ON again (headlight dimmer switch OFF --> ON). Low light voltage Lighting of the headlight stops, the condition is maintained until power is turned ON again (headlight dimmer switch OFF --> ON). High light voltage Lighting of the headlight stops, the condition is maintained until power is turned ON again (headlight dimmer switch OFF -* ON). Bulb flashing The condition is maintained more than 60 seconds. Lighting of the headlight stops, the condition is maintained until power is turned ON again (headlight dimmer switch OFF --> ON). Battery voltage high As soon as the voltage comes within the range of operation voltage (9 to 16 V), the headlight comes on again. Battery voltage low Even when voltage goes from 9.5 V --> 7.5 V, lighting condition is maintained. Lighting condition changes when voltage is too low (Below 6 V). As soon as the voltage comes back within the range of operation voltage (more than 9 V), the headlights come on again.
2. Headlight Leveling ECU Assembly HINT: The Headlight Leveling Control ECU performs fail-safe when detecting the following troubles. FAIL-SAFE CHART - HEADLIGHT LEVELING ECU ASSEMBLY Trouble Area Condition Warning indicator light 1. Headlight leveling actuator circuit is open Stop leveling operation Light up 2. Headlight leveling actuator circuit is short Stop leveling operation Light up 3. Vehicle speed sensor signal error Controlling continues Light up 4. Height control sensor signal level error Stop leveling operation Light up 5. Headlight leveling actuator high voltage Stop leveling operation Goes off 6. Pitch angle calculation error (w/ Air Suspension System) Stop leveling operation Light up Recovery condition: Ignition switch off or signal level error cancellation.
3. Headlight Swivel ECU Assembly HINT: The Headlight Swivel ECU performs fail-safe when detecting the following troubles. The AFS OFF indicator light on the combination meter comes on at the same time. FAIL-SAFE CHART - HEADLIGHT SWIVEL ECU ASSEMBLY Trouble Area Headlight Leveling Motor Swivel Motor AFS OFF indicator tight Vehicle speed sensor signal malfunction Controlling continues Stops operation after returning to initial position Blinks ( (1) ) Vehicle height signal malfunction Stops operation after returning to initial position (Fail at higher than initial position) Stops at current condition (Fail at lower than initial position) Stops operation after returning to initial position Blinks ( (1) ) Leveling actuator malfunction Stops at current condition Stops operation after returning to initial position Blinks ( (1) ) Steering sensor malfunction Lowers by 0.8° than current position and then re-starts controlling Stops at current condition and then returning to initial position after 10 seconds Blinks ( (1) ) Communication signal malfunction Controlling continues Stops operation after returning to initial position Blinks ( (1) ) Swivel actuator action malfunction Lowers by 0.8° than initial position Stops operation after returning to initial position (Stops at current condition when unable to operate) Blinks ( (1) ) Swivel actuator communication signal malfunction Lowers by 0.8° than initial position Stops operation after returning to initial position (Stops at current condition when unable to operate) Blinks ( (1) ) (1) 1 Blinks/1 second