Lexus ES: Precaution
PRECAUTION
INITIALIZATION
NOTICE:
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Before replacing the ECM, refer to Registration.
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Perform Registration (VIN registration) after replacing the ECM.
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Perform Learning Value Reset and Idle Learning after replacing or servicing parts related to engine operation.
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Make sure to perform Reset Memory (A/T initialization), when replacing the automatic transaxle assembly, ECM or engine assembly.
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When the cable is disconnected from the negative (-) battery terminal, initialize the following system(s) after the cable is reconnected.
System Name | See Procedure |
Lane Control System (for Gasoline Model) | |
Parking Support Brake System (for Gasoline Model) |
Parking Assist Monitor System (for Gasoline Model) |
Panoramic View Monitor System (for Gasoline Model) |
Pre-collision System (for Gasoline Model) |
Power Trunk Lid System (for Gasoline Model) |
Lighting System (for Gasoline Model) |
WHEN USING TECHSTREAM
CAUTION:
Observe the following items for safety reasons:
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Before using the Techstream, read the instruction manual.
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Prevent the Techstream cable from being caught on the pedals, shift lever or steering wheel when driving with the Techstream connected to the vehicle.
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When driving the vehicle for testing purposes using the Techstream, 2 persons are required. One drives the vehicle, and the other operates the Techstream.
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DEFINITION OF TERMS Term Definition Monitor Description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details). Related DTCs Group of di
PARTS LOCATION ILLUSTRATION *1 FRONT ENGINE MOUNTING INSULATOR *2 REAR ENGINE MOUNTING INSULATOR *3 CANISTER *4 FUEL PUMP (for Low Pressure Side) *5 MASS AIR FLOW METER SUB-A
SEE MORE:
SYSTEM DIAGRAM *1 Throttle Body with Motor Assembly *2 Intake Air Control Valve (for ACIS) *3 Intake Air Control Valve Actuator (for ACIS) *4 ECM *5 Vacuum Switching Valve (for ACIS) - - *a Engine Speed Signal *b from Vacuum Pump
INSPECTION MODE PROCEDURE
INSPECTION MODE (for HV Model)
NOTICE:
When operating the vehicle in an inspection mode for an operation such as a speedometer
test, a DTC may be stored. Therefore, if the warning light illuminates, check for
DTCs using the Techstream and clear the DTCs.
HINT:
If t
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