DTC    B2781    Open / Short in Steering Lock ECU

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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".
  1. Steering lock actuator assembly (Steering lock ECU)

INSPECTION PROCEDURE

1.REPLACE STEERING LOCK ACTUATOR ASSEMBLY

HINT:
The steering lock ECU and steering lock actuator assembly supplied as a unit.

  1. Replace the steering lock actuator assembly (Click here for 3GR-FE, Click here for 3GR-FSE, Click here for 3UZ-FE)


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PERFORM DTC