Table of Contents
In the US market, the Infiniti M was launched in 2005, whereas in Japan it was introduced in 2004 under the Nissan Fuga nameplate. For the European market, it was designated as a 2007 model year sedan, coinciding with the official entry of the Infiniti brand into Europe.
This guide provides detailed fuse and relay box diagrams for 3rd-generation Infiniti M35 / M45 (Y50 chassis code) models produced from 2004 through 2010. Below are the locations, diagrams, and component descriptions for all power distribution blocks. The fuse dedicated to the “Cigarette lighter” is highlighted in bold.
Engine Compartment
Three fuse and relay blocks are located in the engine compartment.
Fuse Box #1
General view.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | A |
| 71 | IPDM CPU, parking lamp relay (clearance lamps, license plate lamps, instrument panel illumination, rear sunshade) | 15 |
| 72 | Right headlight (high beam) | 10 |
| 73 | Windshield wiper relay | 30 |
| 74 | Left headlight (high beam) | 10 |
| 75 | Rear window defogger relay | 20 |
| 76 | Right headlight (low beam) | 15 |
| 77 | Engine Control Module (ECM) relay (ECM, ignition coils, condenser, intake valve timing control solenoid, exhaust valve timing control magnet retarder [VQ35HR], mass air flow [MAF] sensor, EVAP canister vent control valve, variable intake air control solenoid [VK45DE], crankshaft position sensor [VK45DE], camshaft position sensor [VK45DE]) | 20 |
| 78 | IPDM CPU | 15 |
| 79 | A/C compressor relay | 10 |
| 80 | Rear window defogger relay | 20 |
| 81 | Fuel pump fuse | 15 |
| 82 | Intelligent Cruise Control (ICC), steering angle sensor, ABS / VDC / TCS control unit, yaw rate and G-sensor, power steering control unit, Rear Active Steer (RAS), All-Wheel Drive (AWD) | 10 |
| 83 | Transmission Control Module (TCM), Snow mode switch | 10 |
| 84 | Windshield wiper motor, windshield washer motor | 10 |
| 85 | Air-fuel ratio (A/F) sensors, heated oxygen sensors (HO2S) | 15 |
| 86 | Left headlight (low beam) | 15 |
| 87 | Throttle control motor relay | 15 |
| 88 | Front fog lamp relay | 15 |
| 89 | - | - |
| Relays | ||
| R1 | Engine Control Module (ECM) relay | |
| R2 | Headlight high beam relay | |
| R3 | Headlight low beam relay | |
| R4 | Starter relay | |
| R5 | Ignition relay | |
| R6 | - | |
| R7 | - | |
| R8 | Heated seat relay | |
| R9 | Throttle control motor relay | |
| R10 | Fuel pump relay | |
| R11 | Front fog lamp relay | |
Fuse Box #2
General view.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | A |
| 31 | Rear Active Steer (RAS) | 20 |
| 32 | Daytime Running Lights (DRL) | 10 |
| 33 | All-Wheel Drive (AWD) control unit | 10 |
| 34 | Transmission Control Module (TCM) | 10 |
| 35 | Horn relay | 15 |
| 36 | Alternator | 10 |
| 37 | Combination switch, AV control unit, satellite radio receiver, Bluetooth/telematics adapter, front display, CD changer, iPod adapter, rearview camera control unit, DVD player, video distributor, rear display, security indicator | 15 |
| 38 | Heated seat relay | 15 |
| F | Body Control Module (BCM), power windows, power door locks, power seats, turn signals, hazard lights, interior lamps, sunroof, driver seat memory system | 50 |
| G | Pre-crash seat belt pretensioner system | 30 |
| H | Ignition system, Power Distribution Module (PDU) | 30 |
| I | Engine cooling fan relay | 50 |
| J | ABS / VDC / TCS control unit | 50 |
| K | ABS / VDC / TCS control unit | 30 |
| L | - | - |
| M | Starter motor, Power Distribution Module (PDU) | 40 |
| Relays | ||
| R1 | Horn relay | |
| R2 | Reverse lamp relay | |
Fuse Box #3
Diagram.
| No. | Description | A |
| 41 | Front passenger climate-controlled seat | 15 |
| 42 | Driver climate-controlled seat | 15 |
| 43 | - | - |
| 44 | - | - |
| Relays | ||
| R1 | Climate-controlled seat relay | |
| R2 | Intelligent Cruise Control (ICC) relay | |
Power Fuse Panel
Located directly on the battery positive terminal.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | A |
| A | Alternator (VK45DE or AWD models), fuses “B”, “C” | 140 |
| B | Fuses “31”, “32”, “33”, “34”, “35”, “36”, “37”, “38”, “F”, “G”, “H”, “I”, “J”, “K”, “M” | 100 |
| C | High beam relay (fuses “72”, “74”), low beam relay (fuses “76”, “86”), fuses “71”, “73”, “75”, “87”, “88” | 80 |
| D | Auxiliary relay (fuses “5”, “6”, “7”), heater blower relay (fuses “10”, “11”), fuses “17”, “18”, “19”, “20”, “21”, “22”, “41”, “42” | 60 |
| E | Ignition relay (A/C compressor relay, wiper relay, wiper speed relay, fuses “81”, “82”, “83”, “84”, “85”), fuses “77”, “78”, “79”, “80” | 80 |
Passenger Compartment
The passenger compartment fuse block is located under the driver's side dashboard; additional relay modules are mounted on the reverse side of the panel.
The photo shows an example of the panel layout.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | A |
| 1 | Body Control Module (BCM), Engine Control Module (ECM), fuel injectors, power windows, power door locks, turn signals, hazard lights, interior lighting, sunroof | 15 |
| 2 | - | - |
| 3 | - | - |
| 4 | - | - |
| 5 | Front accessory power socket, rear accessory power socket | 15 |
| 6 | Combination switch, Unified Meter and A/C Amplifier, rear-seat multimedia system, AV control unit, satellite radio receiver, Bluetooth/telematics adapter, front display, CD changer, iPod adapter, camera control unit, Bose audio amplifier, DVD player, video distributor, rear display, Body Control Module (BCM), Intelligent Key system, instrument cluster, interior lights | 10 |
| 7 | Infiniti M35 / M45 cigarette lighter | 15 |
| 8 | Heated exterior mirrors | 10 |
| 9 | - | - |
| 10 | Heater blower motor | 15 |
| 11 | 15 | |
| 12 | Intelligent Cruise Control (ICC), Lane Departure Warning (LDW), Unified Meter and A/C Amplifier, Data Link Connector (OBD-II), shift lock solenoid relay, A/C compressor, AV control unit, Bluetooth/telematics adapter, Intelligent Key system, Automatic Speed Control Device (ASCD), cooling fan relay, rear sunshade, electrochromic rearview mirror, rear window defogger relay, Adaptive Front-lighting System (AFS), headlight aiming control, Tire Pressure Monitoring System (TPMS), windshield wiper relay | 10 |
| 13 | Supplemental Restraint System (SRS) airbags | 10 |
| 14 | Instrument cluster, reverse lamp relay, AV control unit, rearview camera control unit | 10 |
| 15 | Pre-crash seat belt pretensioner system | 10 |
| 16 | - | - |
| 17 | Bose audio amplifier | 15 |
| 18 | 15 | |
| 19 | Data Link Connector (OBD-II), Unified Meter and A/C Amplifier, electrochromic rearview mirror, HomeLink® universal transceiver, digital compass, rain sensor | 10 |
| 20 | Stop lamp switch, Intelligent Cruise Control (ICC), Intelligent Key system | 10 |
| 21 | Instrument cluster, Body Control Module (BCM), power windows, power door locks, driver seat memory system, power seats, turn signals, hazard lights, interior lamps, sunroof | 10 |
| 22 | Intelligent Key slot, push-button ignition, Intelligent Key system, warning chime, Power Distribution Module (PDU) | 10 |
| Relays | ||
|
||
| R1 | Heater blower relay | |
| R2 | Auxiliary power relay | |