ELECTRICAL Infiniti - G37 Coupe - 2008
Infiniti G37 2008 - IDENTIFICATION
WARNING: Vehicle is equipped with air bag supplemental restraint system. Before attempting ANY repairs involving steering column, instrument panel or related components, see PRECAUTION in AIR BAG article in RESTRAINTS.
WARNING: Always disconnect battery ground cable before servicing high-current fuses. It is recommended that high-current fuses be replaced by a qualified technician.
CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle.
Infiniti G37 2008 - ENGINE COMPARTMENT
NOTE: For circuit wiring diagram, see POWER SUPPLY ROUTING CIRCUIT in the POWER SUPPLY, GROUND & CIRCUIT ELEMENTS article in ELECTRICAL.
Fig. 1: Infiniti G37 2008 - Component Locations - Locating Engine Compartment IPDM E/R, Fuse, Fuse Fusible Link & Relay Boxes
Infiniti G37 2008 Engine Compartment Fusible Link & Fuse Assignments (Except IPDM E/R)
Fusible Link Amps Circuit A 140 A Fusible Links B, C, D, E, & Alternator B 100 A In Fuse & Fusible Link Block: Fusible Links F - M, Fuses 31 - 38 C 80 A In IPDM E/R: CPU, Ignition Relay, Fuses 48 - 51 D 60 A In IPDM E/R: Tail Lamp Relay, Headlamp High/Low Relays, Fuses 58 & 60 E 80 A In Fuse Block (J/B): ACC Relay, Rear Window Defogger Relay, Blower Relay, Fuses 5 - 11 F 50 A Cooling Fan Relay G 30 A Pre-Crash Seat Belt Control Unit H 30 A IPDM E/R & Fuse Block (J/B) I 40 A 4WAS Front Control Relay J - Blank K 50 A BCM, Automatic Drive Positioner Control Unit, Driver Seat Control Unit, Lumbar Support Switch, Side Support Unit, Power Seat Switch L 30 A ABS Actuator & Electric Unit M 50 A ABS Actuator & Electric Unit N 50 A VVEL Actuator Motor Relay Fuse Amps Circuit Fuse 31 15 A Horn Relay 1 Fuse 32 10 A Alternator Fuse 33 10 A - Fuse 34 15 A Display Unit, AV Control Unit, iPod Adapter, Woofer, Camera Control Unit, TEL Adapter Unit, Satellite Radio Tuner Fuse 35 15 A Heated Seat Relay Fuse 36 10 A TCM Fuse 37 20 A 4WAS Rear Motor Relay Fuse 38 10 A Horn Relay 2
Fig. 3: Infiniti G37 2008 - Component Locations - Identifying IPDM E/R Components
Infiniti G37 2008 IPDM E/R Fuse, Connector And Terminal Assignments
Fuses Amps Circuit 41 15 A Fuel Pump Relay 42 10 A Cooling Fan Relay 43 10 A TCM, Park/Neutral Position Switch 44 10 A Injectors 1-6, ECM, BCM 45 10 A ABS Actuator & Electric Unit, Steering Angle Sensor, Yaw Rate/Side G Sensor, Power Steering Control Unit, 4WAS Main Control Unit, ICC Integrated Unit 46 15 A Air Fuel Ratio Sensor 1 Bank 1, Air Fuel Ratio Sensor 1 Bank 2, Heated Oxygen Sensor 2 Bank 1, Heated Oxygen Sensor 2 Bank 2 47 10 A Washer Pump 48 10 A Steering Lock Relay 49 10 A A/C Relay 50 15 A ECM, ECM Relay, CPU 51 15 A CPU, Throttle Control Motor Relay 52 10 A Front Combination Lamps (LH & RH) 53 10 A Rear Combination Lamps (LH & RH), License Plate Lamps (LH & RH), VDC Off Switch, Truck Lid Opener Switch, AFS Switch, Combination Switch (Spiral Cable), Multifunction Switch, Clock, AV Control Unit, Glove Box Lamp, Cigarette Lighter Socket, A/T Device, Heated Seat Switches (Driver/Pass), Door Mirror Remote Control Switch, Map Lamp 54 10 A Front Combination Lamp LH 55 10 A Front Combination Lamp RH 56 15 A Front Combination Lamp LH 57 15 A Front Combination Lamp RH 58 15 A Front Fog Lamp 59 - Blank 60 30 A Front Wiper Relay
Infiniti G37 2008 - PASSENGER COMPARTMENT
NOTE: For circuit wiring diagram, see POWER SUPPLY ROUTING CIRCUIT in the POWER SUPPLY, GROUND & CIRCUIT ELEMENTS article in ELECTRICAL.
Infiniti G37 2008 Instrument Panel Fuse Block/Junction Box Assignments
Fuse Amps Circuit 1 10 A Pre-Crash Seat Belt Control Unit 2 10 A Occupant Detection System Control Unit, Air Bag Diagnosis Sensor Unit 3 10 A Headlamp Aiming Motors (LH & RH), Shift Lock Relay, ASCD Clutch Switch, ASCD Brake Switch, ICC Clutch Switch, ICC Brake Switch, AFS Control Unit, AFS Switch, DLC, Unified Meter & A/C Amp, Heated Seat Relay, AV Control Unit, TEL Adapter Unit, Compressor, 4WAS Control Unit, Auto Anti-Dazzling Mirror 4 10 A Combination Meter, Back-Up Lamp Relay, Back-Up Lamp Switch 5 15 A Bose Amp. 6 10 A Key Slot, DLC, Unified Meter & A/C Amp, Clock, Intelligent Key Warning Buzzer (Engine Room), Auto Anti-Dazzling Mirror 7 10 A BCM, ICC Brake Hold Relay, Stop Lamp Switch 8 15 A Bose Amp. 9 10 A Key Slot, Push Button Ign. Switch, Clutch Interlock Switch 10 10 A BCM, Driver Seat Control Unit, Automatic Drive Positioner Control Unit, Seat Memory Switch, Passenger Seat Control Unit 11 10 A Combination Meter 12 - Blank 13 10 A Door Mirror Defoggers (Driver/Pass.) 14 20 A Condenser 15 20 A Condenser 16 - Blank 17 - Blank 18 15 A Cigarette Lighter Socket 19 10 A BCM, Combination Meter, Unified Meter & A/C Amp, Display Unit, Multifunction Switch, AV Control Unit, iPod Adapter, TEL Adapter Unit, Camera Control Unit, Door Mirror Remote Control Switch, Satellite Radio Tuner 20 15 A Power Sockets 21 15 A Blower Motor 22 15 A Blower Motor