Lexus IS250 IS220d GSE20 ALE20 - WIPER AND WASHER
WIPER AND WASHER SYSTEM - DATA LIST / ACTIVE TEST
| READ DATA LIST |
- HINT:
- Using the intelligent tester to read the DATA LIST allows the values or states of switches, sensors, actuators, and other items to be read without removing any parts. This nonintrusive inspection can be very useful as intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the DATA LIST information early in troubleshooting is one way to save diagnostic time.
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
Read the DATA LIST.
| Item | Measurement Item / Display (Range) | Normal Condition | Diagnostic Note |
| Front Wiper Switch | Front wiper switch / ON or OFF | ON: Engine switch on (IG) (Power source of wiper system ON) OFF: Engine switch off (Power source of wiper system OFF) | - |
| Speed Mode | Speed mode / NOT AVL or AVAIL | Customized value can be displayed | - |
| Auto Wiper | Auto wiper / NOT AVL or AVAIL | Customized value can be displayed | - |
| Rewipe Control | Rewipe control / OFF or 3S or SPD | Customized value can be displayed | - |
| IG SW | IG switch / ON or OFF | ON: Engine switch on (IG) OFF: Engine switch off | - |
| Item | Measurement Item / Display (Range) | Normal Condition | Diagnostic Note |
| Washer Level Switch | Washer fluid level switch / ON or OFF | ON: Washer fluid is empty OFF: Washer fluid is full | - |
| Item | Measurement Item / Display (Range) | Normal Condition | Diagnostic Note |
| F Washer SW | Front washer switch / ON or OFF | ON: Front washer switch ON OFF: Front washer switch OFF | - |
| F Wiper Mist SW | Front wiper MIST switch / ON or OFF | ON: Front wiper switch in MIST position OFF: Wiper switch not in MIST position | - |
| F Wiper Hi SW | Front wiper HI switch / ON or OFF | ON: Front wiper switch in HI position OFF: Wiper switch not in HI position | - |
| F Wiper Lo SW | Front wiper LO switch / ON or OFF | ON: Front wiper switch in LO position OFF: Wiper switch not in LO position | - |
| F Wiper Int SW | Front wiper INT switch / ON or OFF | ON: Front wiper switch in INT position OFF: Wiper switch not in INT position | - |
| IG SW Sig | Engine switch signal / ON or OFF | ON: Engine switch on (IG) OFF: Engine switch off | - |
| F Wiper Vol Pos | Front wiper volume (sensitivity) / 0 to 90 degrees | 0 degrees: FR wiper volume "+" position 27 degrees: Switch is turned one notch towards the "-" side from the FR wiper volume "+" position 63 degrees: Switch is turned one notch towards the "+" side from the FR wiper volume "-" position 90 degrees: FR wiper volume "-" position | If value is NG, replace the windshield wiper switch assembly . |
| Item | Condition | Specified Condition | Diagnostic Note |
| Sen Cond Inf | Engine switch on (IG) and front wiper switch except AUTO | OK | This item diagnoses the conditions inside the rain sensor. If NG is displayed, replace the rain sensor because it has an internal problem. |
| Sens React Conde | Engine switch on (IG) and front wiper switch except AUTO | OK | This item diagnoses the rain sensor detection conditions. If NG is displayed, clean the outside of the windshield where the rain sensor is installed. Also Confirm the following: - The sensor is correctly installed. - No air bubbles are trapped between the windshield and the sensor tape. - The sensor tape is properly placed between the windshield and sensor. - The sensing portion of the sensor (contact surface with the windshield) is clean. If no defects are found, replace the rain sensor because it may have an internal problem. |
| Sen Hi Temp Inf | Engine switch on (IG) and front wiper switch except AUTO | OK | This item diagnoses the detection conditions of the temperature sensor in the rain sensor. If NG is displayed, check if the temperature around the rain sensor is more than 90°C (194°F). If the temperature is 90°C (194°F) or less, replace the rain sensor because it may have an internal problem. |
| Wip SW Lo Sig | Engine switch on (IG) and front wiper switch except LO → LO | OFF / ON | - |
| Wip SW Hi Sig | Engine switch on (IG) and front wiper switch except HI → HI | OFF / ON | - |
| Wip SW Auto Sig | Engine switch on (IG) and front wiper switch except AUTO → AUTO | OFF / ON | - |
| Wash SW Sig | Engine switch on (IG) and front washer switch OFF → ON | OFF / ON | - |
| Wip SW Mist Sig | Engine switch on (IG) and front wiper switch except MIST → MIST | OFF / ON | - |
| Key SW Sig | Engine switch on (IG) → Without key | OFF / ON | - |
| PERFORM ACTIVE TEST |
- HINT:
- Performing the tester's ACTIVE TEST allows relays, VSVs, actuators, and other items to be operated without removing any parts. Performing the ACTIVE TEST early in troubleshooting is one way to save time. The DATA LIST can be displayed during the ACTIVE TEST.
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
Perform the ACTIVE TEST.
| Item | Test Details | Diagnostic Note |
| Wiper Motor HI | Wiper motor HI operation ON / OFF | - |
| Wiper Motor LO | Wiper motor LO operation ON / OFF | - |
| Item | Test Details | Diagnostic Note |
| Washer Motor Operation | Washer motor operation ON / OFF | - |