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Last Modified: 11-27-2007 1.6 C
Service Category: Vehicle Interior Section: Theft Deterrent/Keyless Entry
Model Year: 2008 Model: LX570 Doc ID: RM000000QYJ024X
Title: THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM: DESCRIPTION (2008 LX570)

DTC

B2784

Antenna Coil Open / Short

DESCRIPTION

This DTC is stored when there is an open or short malfunction in the transponder key coil (built into the engine switch).

DTC Code

DTC Detection Condition

Trouble Area

B2784

The antenna coil is open/shorted.
  • Certification ECU (smart key ECU assembly)
  • Engine switch

INSPECTION PROCEDURE

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

NEXT

2.

CHECK FOR DTC

(a) Check for DTCs THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

OK:

DTC B2784 is not output.

OK

3.

REPLACE ENGINE SWITCH

(a) Temporarily replace the engine switch with a new one 3UR-FE STARTING: ENGINE SWITCH: REMOVAL (2008 LX570) .

NEXT

4.

CLEAR DTC

(a) Clear the DTCs THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

NEXT

5.

CHECK FOR DTC

(a) Recheck for DTCs THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

OK:

DTC B2784 is not output.

OK