Engine Immobiliser System Diagnostic Trouble Code Chart

Securities. Lexus Gs430, Gs300. Uzs190 Grs190
Engine Immobiliser. Lexus Gs430, Gs300. Uzs190 Grs190
  1. CERTIFICATION ECU DTC CHART

  1. ECM DTC CHART

Engine Immobiliser System -- Diagnostic Trouble Code Chart



CERTIFICATION ECU DTC CHART

Certification ECU
DTC No.
Detection Item
Trouble Area
See page
B2784
Antenna Coil Open / Short
- Certification ECU
- Engine switch
Click here
B2785
Communication Malfunction between ECUs Connected by LIN
- Wire harness
- Certification ECU
- Immobiliser code ECU
- Power source control ECU
- Steering lock ECU
Click here
B2786
No Response from Steering Lock ECU
- Wire harness
- Certification ECU
- Steering lock ECU
Click here
B2789
No Response from ID BOX
- Wire harness
- Immobiliser code ECU
- Certification ECU
Click here
B278A
Short to GND in Immobiliser System Power Source Circuit
- Wire harness
- Engine switch
- Certification ECU
Click here
B2790
ID BOX EEPROM Malfunction
Immobiliser code ECU
Click here
B2791
Communication Condition Failure between ECM
- Wire harness
- Immobiliser code ECU
- ECM
Click here

ECM DTC CHART
HINT:
The DTCs for the immobiliser system are specified above. If other codes are output, check the DTC chart for the engine control system.

ECM
DTC No.
Detection Item
Trouble Area
See page
B2799
Engine Immobiliser System
- Wire harness
- Immobiliser code ECU
- ECM
Click here