Lexus ES: Parts Location
PARTS LOCATION
ILLUSTRATION
| *1 | MILLIMETER WAVE RADAR SENSOR ASSEMBLY | *2 | FORWARD RECOGNITION CAMERA |
| *3 | HEADLIGHT ECU SUB-ASSEMBLY LH | - | - |
ILLUSTRATION
| *1 | DLC3 | *2 | INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-IG1 NO. 3 FUSE |
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System Diagram
SYSTEM DIAGRAM SYSTEM DIAGRAM LOCAL CAN CIRCUIT
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Before performing troubleshooting for the front radar sensor system, perform troubleshooting for the pre-collision system.
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*: Use the Techstream.
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Utility
UTILITY NOTICE:
When replacing the millimeter wave radar sensor assembly, always replace it with a new one. If a millimeter wave radar sensor assembly which was installed to another vehicle is used
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Terminals Of Ecu
TERMINALS OF ECU HEATED STEERING WHEEL CONTROLLER (STEERING VIBRATION ECU) (a) Measure the voltage or resistance according to the value(s) in the table below. HINT: Perform the inspection from the harness side with the connectors connected. Terminal No. (Symbol) Terminal Description Conditio
Check Bus 3 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area Resistance between terminals 6 (CA3H) and 21 (CA
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