Honda HR-V: Engine

 DTC C1851-18 (63-01): Motor Circuit Low Current (AWD)

NOTE: Before you troubleshoot, review the General Troubleshooting Information for the AWD with intelligent control system. 1. Problem verification (with engine idling): Turn the vehicle to the ON mode. Clear the DTC with the HDS. Start the engine. Check for DTCs with the HDS. Is DTC C1851-1

 HVAC System - Diagnostics

DTC TROUBLESHOOTING DTC INDICATOR 2 : HVAC CONTROL UNIT INTERNAL ERROR 1. Problem verification: Clear the history DTCs. Do the Self-Diagnostic Function. Checking for DTCs. Does the RECIRCULATION indicator blink twice? YES Replace the HVAC control unit. NO Intermittent failure, the system is OK