Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2011 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK) DIAGNOSTIC TROUBLE CODE CHART MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)
DTC Code Detection Item Trouble Area See B2287 LIN Communication Master Malfunction 1. Certification ECU (smart key ECU assembly)
2. Main body ECU (instrument panel junction block)
3. Wire harness or connectorRefer to DTC B2287: LIN Communication Master Malfunction - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) DIAGNOSTIC TROUBLE CODE CHART CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
DTC Code Detection Item Trouble Area See B2785 Communication Malfunction between ECUs Connected by LIN 1. Certification ECU (smart key ECU assembly)
2. Main body ECU (instrument panel junction block)
3. Steering lock ECU (steering lock actuator assembly)
4. ID code box (immobilizer code ECU)
5. Wire harness or connectorRefer to DTC B2785: Communication Malfunction between ECUs Connected by LIN B2786 No Response from Steering Lock ECU 1. Steering lock ECU (steering lock actuator assembly)
2. Certification ECU (smart key ECU assembly)
3. Wire harness or connectorRefer to DTC B2786: No Response from Steering Lock ECU B2789 No Response from ID BOX 1. ID code box (immobilizer code ECU)
2. Certification ECU (smart key ECU assembly)
3. Wire harness or connectorRefer to DTC B2789: No Response from ID BOX