Lexus ES: Freeze Frame Data
FREEZE FRAME DATA
FREEZE FRAME DATA
(a) Whenever a DTC is detected, the windshield wiper motor assembly stores the current vehicle state as Freeze Frame Data.
CHECK FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Wiper / Trouble Codes.
Body Electrical > Wiper > Trouble Codes Body Electrical > Wiper| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Wiper Switch HI (Line) | Front wiper switch HI position signal (direct line) | OFF or ON | OFF: Front wiper switch not in HI position ON: Front wiper switch in HI position | - |
| Wiper Stop Position | Windshield wiper motor assembly position | Store Are/Lower Rev Pos, Wipe Area or Upper Rev Pos | Store Are/Lower Rev Pos: Lower reverse position or lower Wipe Area: Between lower reverse position and upper reverse position Upper Rev Pos: Upper reverse position | - |
| Wiper Position | Windshield wiper motor assembly position | Store Are, Exchange Position or Wipe Area | Store Are: Out of wiper operating range Exchange Position: Within wiper maintenance position Wipe Area: Within wiper operating range | - |
| Status of Motor Lock | Windshield wiper motor assembly status | Normal or Lock | Normal: Operating normally Lock: Malfunctioning | - |
| Status of Temperature Protection | Windshield wiper motor assembly temperature protection | Normal, LO Operation, INT Operation or Stop | Normal: Windshield wiper motor assembly temperature is below 95°C (203°F) LO Operation: Windshield wiper motor assembly temperature is 95°C (203°F) or more INT Operation: Windshield wiper motor assembly temperature is 100°C (212°F) or more Stop: Windshield wiper motor assembly temperature is 105°C (221°F) or more | - |
| Status of Overvoltage | Windshield wiper motor assembly over voltage status | Normal or Overvoltage | Normal: Operating normally Overvoltage: Malfunctioning | - |
| Status of Low Voltage | Windshield wiper motor assembly low voltage status | Normal or Low Voltage | Normal: Operating normally Low voltage: Malfunctioning | - |
| Motor Shaft Angle | Windshield wiper motor assembly shaft angle status | Min.: 0° Max.: 255° | Almost the same as actual windshield wiper motor assembly shaft angle | - |
| Motor Temperature | Windshield wiper motor assembly temperature status | Min.: -128°C (-198.4°F) Max.: 127°C (260.6°F) | Almost the same as actual windshield wiper motor assembly temperature | - |
| Motor Current | Windshield wiper motor assembly current status | Min.: 0 A Max.: 63 A | Almost the same as actual windshield wiper motor assembly current | - |
| Motor Power Supply Voltage | Windshield wiper motor assembly voltage status | Min.: 0 V Max.: 63 V | Almost the same as actual windshield wiper motor assembly voltage | - |
| Number of DTCs | Number of trouble codes | 0 to 255 | Number of stored DTCs displayed | - |
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Fail-safe Chart
FAIL-SAFE CHART PROTECTION FUNCTION (a) The windshield wiper motor assembly operates the following protection functions if it detects an abnormal condition, in order to protect the wiper and washer sy
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a pa
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Wiper and Washer System DTC No. Detection Item DTC Output from Link B1245 Lost Communication with Wiper ECU LIN Main Body B1279 Lost Communica
SEE MORE:
Parts Location
PARTS LOCATION ILLUSTRATION *1 TRUNK AND FUEL SWITCH ASSEMBLY *2 LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY *3 DLC3 *4 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *5 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - DOOR BACK RELAY - TRUNK OPN FUSE *6 CERTIFICATION ECU (SMART
Inspection
INSPECTION CAUTION / NOTICE / HINT NOTICE:
When using a vise, place aluminum plates between the part and vise.
When using a vise, do not overtighten it.
PROCEDURE 1. INSPECT REAR DRIVE SHAFT ASSEMBLY (a) Check that there is no excessive play in the radial direction of the outboard joint.
