Infiniti M37, M56 (Y51-HY51) Full Wiring Diagram

Infiniti M37, M56 (Y51) HY51 Hybrid Full Wiring Diagram is a complete wiring guide that provides detailed wiring diagrams, fuse boxes and the location of the main sensors for the M37 and M56 models. This manual helps owners and technicians in troubleshooting, repairing and servicing electrical components, including engine management, lighting, multimedia and climate control systems.

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Hybrid Battery Malfunctions

Over time, the battery in hybrid models can lose capacity, causing a reduction in electric range and reduced operating time.

Solution: Regular maintenance of the hybrid battery and monitoring of its condition, possibly replacing cells if necessary.

Malfunctions in the inverter and hybrid engine management system

In hybrid models, malfunctions in the inverter were noted, which could lead to unstable operation of the hybrid system.

Solution: Check and, if necessary, replace the inverter, as well as periodically update the software of the control system.

Malfunctions of the fuse box

Problems with the fuse box sometimes led to the shutdown of various systems, including climate control, headlights and multimedia.

Solution: Check and clean the fuse box, replace blown fuses.

Malfunctions in the ABS and stabilization system sensors

ABS and ESP sensors often failed, especially when operating in conditions with high humidity or pollution.

Solution: Replace sensors at the first sign of malfunction and regularly diagnose safety systems.

Electric power steering malfunctions

The electric power steering may show malfunctions, especially in cold or wet conditions, which causes difficulties in control.

Solution: Check the condition of the amplifier and its connections, and replace if necessary.