OBDII Code List

B2785 TOYOTA - Ignition Switch On Malfunction Immobilizer System

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Ignition switch
  • Faulty EFI main relay
  • Ignition switch harness is open or shortec
  • Ignition switch circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

When is the code detected?

- Short circuit in IG switch circuit
- Ignition switch adheres to ON position

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B2785 Toyota Description

This Diagnostic Trouble Code (DTC) is output if communication between the transponder key Electronic Control Unit (ECU) and power source control ECU is not possible.
OBDII Code B2785 Toyota - Ignition Switch On Malfunction Immobilizer System -

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B2785 TOYOTA Comments

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