Lexus ES manuals

Lexus ES: Fail-safe Chart

FAIL-SAFE CHART

If the following DTC is stored, the ECM enters fail-safe mode to allow the vehicle to be driven temporarily.

DTC No.

Fail-safe Operation

Fail-safe Deactivation Condition

P161A87

Generator command is fixed.

Engine switch is turned on (IG) after condition returns to normal.

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 Freeze Frame Data

FREEZE FRAME DATA DESCRIPTION The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can be helpful in deter

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Engine / Trouble Codes.

 Terminals Of Ecm

TERMINALS OF ECM HINT: The standard normal voltage and resistance between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of terminals are al

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 Front Passenger Side Power Window Auto Up / Down Function does not Operate with Front Passenger Side Power Window Switch

DESCRIPTION If the manual up and down functions operate normally but the auto up and down functions do not, the power window control system may be in fail-safe mode. If power window initialization has not been performed, the auto up and down functions will not operate. Click here WIRING DIAGRAM C

 Drive Motor "A" Inverter Actuator Stuck Open (P0A7872)

DTC SUMMARY MALFUNCTION DESCRIPTION This DTC is stored when the motor generator control system is malfunctioning and current does not flow as commanded. The cause of this malfunction may be one of the following: Internal inverter malfunction Inverter with converter assembly internal circuit malfu

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