Dtc B2785 Communication Malfunction Between Ecus Connected By Lin

Vehicle Interior. Corolla. Zre142 Aze141
Theft Deterrent Keyless Entry. Corolla. Zre142 Aze141

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

DTC B2785 Communication Malfunction between ECUs Connected by LIN


DESCRIPTION

Refer to DTC B2785 (LIN Communication System) (Link).

DTC No.
DTC Detection Condition
Trouble Area
B2785
  1. Error in LIN communication between ECUs and an open or short in communication lines
  2. LIN communication from certification ECU stops for a set amount of time or more
  1. Certification ECU (smart key ECU assembly)
  2. Main body ECU (Instrument panel junction block)
  3. Steering lock ECU
  4. ID code box (immobiliser code ECU)
  5. Wire harness or connector

WIRING DIAGRAM

Refer to DTC B2785 (LIN Communication System) (COROLLA_ZRE142 RM000002XHV07AX.html).

INSPECTION PROCEDURE

Refer to DTC B2785 (LIN Communication System) (COROLLA_ZRE142 RM000002XHV07AX.html).