Lexus ES manuals

Lexus ES: Hybrid/EV Battery ECU Multiple Reset (P1AFF00)

DESCRIPTION

The battery ECU assembly monitors its internal operation and will store these DTCs when it detects an internal malfunction.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Warning Indicate

P1AFF00

Hybrid/EV Battery ECU Multiple Reset

ECU internal malfunction

(1 trip detection logic)

Battery ECU assembly

Does not come on

Master Warning Light:

Comes on

CONFIRMATION DRIVING PATTERN

HINT:

After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.

Click here

  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off and wait for 3 hours or more.
  5. Turn the power switch on (IG) and turn the Techstream on.
  6. With power switch on (IG) and wait for 3 seconds or more.
  7. Enter the following menus: Powertrain / HV Battery / Utility / All Readiness.
  8. Check the DTC judgment result.

    HINT:

    • If the judgment result shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
    • If the judgment result shows INCOMPLETE or N/A, perform driving pattern again.

PROCEDURE

1.

REPLACE BATTERY ECU ASSEMBLY

Click here

NEXT

END

READ NEXT:

 Hybrid/EV Battery Current Sensor for Driving Control Circuit Short to Ground (P1C9F11,P1C9F15)

DESCRIPTION Refer to the description for DTC P0ABF11. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P1C9F11 Hybrid/EV Battery Current

 High Voltage Power Resource Internal Electronic Failure (P1C8549)

DESCRIPTION The battery ECU assembly monitors an internal operation of the hybrid vehicle control ECU. If it detects a malfunction, it will be output this DTC and performs fail-safe control. DTC No

 Hybrid/EV Battery Current Sensor for Driving Control Voltage Out of Range (P1C9F1C)

DESCRIPTION Refer to the description for DTC P0ABF11. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P1C9F1C Hybrid/EV Battery Current

SEE MORE:

 Components

COMPONENTS ILLUSTRATION *A Type A *B Type B *1 FRONT FENDER APRON SEAL LH *2 FRONT FENDER APRON SEAL RH *3 FRONT LOWER BUMPER ABSORBER *4 FRONT WHEEL OPENING EXTENSION PAD LH *5 FRONT WHEEL OPENING EXTENSION PAD RH *6 NO. 1 ENGINE UNDER COVER *7 NO. 3 EN

 Hood

Opening the hood 1. Pull the hood lock release lever. The hood will pop up slightly. 2. Pull up the auxiliary catch lever and lift the hood. WARNING ■Pre-driving check Check that the hood is fully closed and locked. If the hood is not locked properly, it may open while the vehicl

© 2016-2024 Copyright www.lexguide.net