Dtc B2781 Open / Short In Steering Lock Ecu

Steering. Lexus Is250, Is220D. Gse20 Ale20
Steering Column. Lexus Is250, Is220D. Gse20 Ale20

DESCRIPTION

INSPECTION PROCEDURE

REPLACE STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU)

DTC B2781 Open / Short in Steering Lock ECU


DESCRIPTION

If the steering lock ECU determines that there is a malfunction inside the ECU, it outputs this DTC. Diagnostic communication between the steering lock ECU and the intelligent tester is performed via the certification ECU as the steering lock ECU is not connected to the BEAN.

DTC No.
DTC Detecting Condition
Trouble Area
B2781
  1. Steering lock motor drive circuit is defective.
  2. Both lock and unlock position sensors detect "ON".
Steering lock actuator assembly (Steering lock ECU)

INSPECTION PROCEDURE

1.REPLACE STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU)
HINT:
The steering lock ECU and steering lock actuator assembly are supplied as a unit.

  1. Replace the steering lock actuator assembly (Click here for Manual Tilt & Telescopic Steering, Click here for Power Tilt & Telescopic Steering).


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