B1498 Communication Malfunction A/C Inverter Local Discussion in ' Prius v Care, Maintenance and Troubleshooting ' started by Deep, Apr 27, 2017. The B1498 Toyota diagnostic trouble code (DTC) indicates a communication malfunction related to the A/C inverter local system in a Toyota vehicle. The A/C inverter local system is responsible for controlling and managing the air conditioning system's functions, such as temperature control, fan speed, and airflow direction.
When this code is triggered, it means that there is a communication. Toyota B1498 code: Airbag ECU Fault. Check wiring, connectors, and replace faulty ECU.
Stay safe! Steps to fix are listed inside. Repair Information for B1498 Toyota code. Learn what Communication Malfunction A/C Inverter Local means, location and how to repair.
2004 Prius - Preliminary Release (RM1075U) DTC B1498 COMMUNICATIOIN MALFUNCTION (A/C INVERTER LOCAL) CIRCUIT DESCRIPTION The hybrid control ECU and A/C inverter assy transmit information to one another via communication line. Compressor control is stopped and the DTC is output if communication information is cut off or abnormal information. Hello! My trusty ol 2010 prius have gotten an issue with its A/C functionality.
It's done about 350.000 KM. When pressing the A/C button, there is no cool. Here are the possible issues causing B1498.
If you are serious about resolving this issue I suggest you subscribe to the Toyota Europe techinfo site: Toyota Service Information You will also need Mini VCI and a digital multimeter. Harness or connector between power management control ECU, compressor with motor assembly and body ground Power management control ECU Compressor with motor assembly. Detailed repair manual for the 2011 Toyota Prius L4-1.8L (2ZR-FXE) Hybrid.
The Power Management Control ECU (PMC) reported a communication malfunction (DTC B1498/98) with the air conditioning compressor, so resulting in Air-Con inoperative. As ever, in order to diagnose a component, we need to know how it works; with our A/C fault above we have 4 wires between the PMC and the AC Compressor.
