Isuzu Ascender (2006) – fuse box diagram
Year of production: 2006
Engine compartment
(4.2L)
| No | Fuse name | A | Description |
| 1 | ECAS Fuse | 30 | Air Suspension Compressor Assembly |
| 2 | HI HEADLAMP-RT Fuse | 10 | Headlamp – High Beam – Right |
| 3 | LO HEADLAMP-RT Fuse | 10 | Head lamp – Low Beam – Right |
| 4 | TRLR BCK/UP Fuse | 10 | Trailer Connector |
| 5 | HI HEADLAMP-LT Fuse | 10 | Headlamp- High Beam – Left |
| 6 | LO HEADLAMP-LT Fuse | 10 | Headlamp – Low Beam – Left |
| 7 | WPR Fuse | 20 | HEADLAMP WPR Relay, REAR/WPR Relay |
| 8 | ATC Fuse | 30 | Transfer Case Encoder .Motor, Transfer Case Shift Control Module |
| 9 | WSW Fuse | 15 | WSW Relay |
| 10 | PCM B Fuse | 20 | FUEL PUMP Relay, Powertrain Control Module (PCM) |
| 11 | FOG LAMP Fuse | 15 | FOG LAMP Relay |
| 12 | STOP LAMP Fuse | 25 | Stop Lamp Switch |
| 13 | LTR Fuse | 20 | Cigar Lighter, Data Link Connector (DLC) |
| 15 | EAP Fuse | 15 | Auxiliary Water Pump Relay 1, EAP Relay, Electronic Adjustable Pedals (EAP) Relay |
| 16 | TBC IGN1 Fuse | 10 | Body Control Module (BCM) |
| 17 | CRNK Fuse | 10 | Powertrain Control Module (PCM) |
| 18 | AIR BAG Fuse | 10 | Inflatable Restraint Front Passenger Pressure System (PPS) Module, Inflatable Restraint Sensing and Diagnostic Module (SDM), Rollover Sensor |
| 19 | ELEC BRK Fuse | 30 | Trailer Brake Wiring |
| 20 | FAN Fuse | 10 | FAN Relay |
| 21 | HORN Fuse | 15 | HORN Relay |
| 22 | IGN E Fuse | 10 | A/C Relay, Headlamp l eveling Actuators, Headlamp Switch, Inside Rearview Mirror, Instrument Panel Cluster (I PC), Park/Neutral Position (PNP) Switch, Stop Lamp Switch, Turn Signal/Multifunction Switch |
| 23 | ETC Fuse | 10 | Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor, Powertrain Control Module (PCM) |
| 24 | IPC/DIC Fuse | 10 | Instrument Panel Cluster (I PC) |
| 25 | BTSI Fuse | 10 | Automatic Transmission Shift Lock Actuator, Stop Lamp Switch |
| 26 | TCM CNSTR Fuse | 10 | Evaporative Emission (EVAP) Canister Purge Solenoid, Evaporative Emission (EVAP) Canister Vent Solenoid, Theft Deterrent Alarm |
| 27 | BCK/UP Fuse | 15 | EAP Relay, Park/Neutral Position (PNP) Switch |
| 28 | PCM I Fuse | 15 | Fuel Injectors, Ignition Coils, Powertra in Control Module (PCM) |
| 29 | 02 SNSR Fuse | 10 | Heated Oxygen Sensor (H02S) 1/2 |
| 30 | A/C Fuse | 10 | A/C Relay |
| 31 | TBC I Fuse | 10 | Body Control Module (BCM), Theft Deterrent Alarm, Theft Deterrent Control Module |
| 32 | TRLR Fuse | 30 | Trailer Connector |
| 33 | ASS Fuse | 60 | Electronic Brake Control Module (EBCM) |
| 34 | IGN A Fuse | 40 | Ignition Switch – ACCY/RUN/START, RUN, START BUS |
| 35 | BLWR Fuse | 40 | Blower Motor Control Module, Blower Motor Resistor Assembly |
| 36 | IGN B Fuse | 40 | Ignition Switch – ACCY/RUN, RUN/START BUS |
| 37 | HEADLAMP WPR Relay | — | Headlamp Washer Fluid Pump |
| 38 | REAR/WPR Relay | — | Rear Window Washer Fluid Pump |
| 39 | FOG LAMP Relay | — | Front Fog Lamps |
| 40 | HORN Relay | — | Horn Assembly |
| 41 | FUEL PUMP Relay | — | Fuel Pump and Sender Assembly |
| 42 | WSW Relay | — | Windshield Washer Fluid Pump |
| 43 | HI HEADLAMP Relay | — | HI HEADLAMP- LT Fuse, HI HEADLAMP-RT Fuse |
| 44 | A/C Relay | — | A/C Compressor Clutch Assembly |
| 45 | FAN Relay | — | Cooling Fan |
| 46 | HDM Relay | — | LO HEADLAMP- L T Fuse, LO HEADLAMP-RT Fuse |
| 47 | STRTR Relay | — | Starter |
| 48 | I/P BATT Fuse | 125 | Fuse Block- Rear – B+ Bus |
| 49 | EAP Relay | — | Electronic Adjustable Pedals (EAP) Switch |
| 50 | TRLR RT TRN Fuse | 10 | Trailer Connector |
| 51 | TRLR LT TRN Fuse |
10 | Trailer Connector |
| 52 | HAZRD Fuse | 25 | Turn Signal/Hazard Flasher Module |
| 53 | HDM Fuse | 15 | HOM Relay |
| 54 | AIR SOL Fuse | 15 | AIR SOL Relay, Secondary Air Injection (AIR) Pump Relay |
| 55 | AIR SOL Relay | — | Secondary Air Injection (AIR) Solenoid |
| 56 | AIR PUMP Fuse | 60 | Secondary Air Injection (AIR) Pump Relay |
| 57 | PWR/TRN RELAY | — | ETC Fuse, 02 SNSR Fuse |
| 58 | VSES Fuse | 60 | Electronic Brake Control Module (EBCM) |
Fuse Block – Rear (Short Wheel Base), Label Usage
| No | Fuse name | A | Description |
| 1 | RT DOORS Circuit Breaker | 25 | Front Passenger Door Module (FPDM), Window Switch- RR |
| 2 | LT DOORS Circuit Breaker | 25 | Driver Door Module (DDM), Window Switch – LR |
| 3 | LGM #2 | 30 | Liftgate Module (LGM) |
| 4 | TBC 3 | 10 | Body Control Module (BCM) |
| 5 | RR FOG Fuse | 10 | Tail Lamp Circuit Board -Left |
| 6 | — | — | — |
| 7 | TBC 2 Fuse | 10 | Body Control Module (BCM) |
| 8 | SEATS Circuit Breaker | 30 | Lumbar Adjuster Switches, Memory Seat Module – Driver, Seat Adjuster Switches |
| 9 | RR WIPER Circuit Breaker | 15 | Rear Window Wiper Motor |
| 10 | DDM Fuse | 10 | Driver Door Module (DDM) |
| 11 | AMP Fuse | 20 | Audio Amplifier |
| 12 | PDM Fuse | 20 | Front Passenger Door Module (FPDM) |
| 13 | RR HVAC FUSE | 30 | Blower Motor- Auxiliary, Blower Motor Control Processor – Auxiliary |
| 14 | LR PARK Fuse | 10 | License Lamps, Tail Lamp Circuit Board- Left |
| 15 | — | — | — |
| 16 | VEH CHMSL Fuse | 10 | Center High Mounted Stop Lamp (CHMSL) |
| 17 | RR PARK Fuse | 10 | Clearance Lamps, Tail Lamp Circuit Board – Right |
| 18 | LOCK Relay | — | Rear Door Latch Assemblies |
| 19 | LGM/DSM Fuse | 10 | Cobra Intrusion Sensor Module, Inclination Sensor, Liftgate Module (LGM), Memory Seat Module- Driver |
| 21 | LOCKS Fuse | 10 | LOCK Relay, UNLOCK Relay |
| 23 | — | — | — |
| 24 | UNLOCK Relay | — | Rear Door Latch Assemblies |
| 25 | — | — | — |
| 26 | — | — | — |
| 27 | OH BATT/ONSTAR Fuse | 10 | Digital Video Disc (DVD) Player, Garage Door Opener, Vehicle Communication Interface Module (CIM) |
| 28 | SUNROOF Fuse | 20 | Sunroof Motor |
| 29 | RAIN Fuse | 10 | Outside Moisture Sensor |
| 30 | PARK LP Relay | — | F PARK Fuse, LR PARK Fuse. RR PARK Fuse, TR PARK Fuse |
| 31 | TBC ACC Fuse | 3 | Body Control Module (BCM) |
| 32 | TBC 5 Fuse | 10 | Body Control Module (BCM) |
| 33 | FRT WPR Fuse | 25 | Windshield Wiper Motor |
| 34 | VEH STOP Fuse | 15 | Engine Control Module (ECM), Powertrain Control Module (PCM), Tail Lamp Circuit Board -Left/Right, Trailer Brake Wiring, Transmission Control Module (TCM) |
| 35 | TCM Fuse | 10 | Transmission Control Module (TCM) |
| 36 | HVAC B Fuse | 10 | HVAC Control Module, HVAC Control Module -Auxiliary |
| 37 | F PARK Fuse | 10 | Marker Lamps, Park Lamps, Park/Turn Signal Lamps, Turn Signal/Multifunction Switch |
| 38 | LT TURN Fuse | 10 | Driver Door Module (DDM), Instrument Panel Cluster (I PC), Marker Lamp, Park/Turn Signal Lamp- LF, Tail Lamp Circuit Board- Left, Turn Signal Lamp – LF |
| 39 | HVAC I Fuse | 10 | Air Temperature Actuators, Console Mode Actuator- Auxiliary, Defrost Actuator, HVAC Control Module, HVAC Control Module- Auxiliary, Mode Actuator, Recirculation Actuator, Steering Wheel Speed/Position Sensor, Turn Signal/Multifunction Switch |
| 40 | TBC 4 Fuse | 10 | Body Control Module (BCM) |
| 41 | RADIO Fuse | 15 | Digital Radio Receiver, Radio |
| 42 | TR PARK Fuse | 10 | Trailer Connector |
| 43 | RT TURN Fuse | 10 | Front Passenger Door Module (FPDM), Instrument Panel Cluster (I PC), Marker Lamp- RF, Park/Turn Signal Lamp- RF, Tail Lamp Circuit Board- Right, Turn Signal Lamp- RF |
| 44 | HVAC Fuse | 30 | HVAC Control Module |
| 45 | RR FOG LP Relay | — | RR FOG Fuse |
| 46 | AUX PWR 1 Fuse | 20 | Auxiliary Power Outlets |
| 47 | IGN 0 Fuse | 10 | Automatic Transmission, Automatic Transmission Shift Lock Actuator, Engine Control Module (ECM). Powertrain Control Module (PCM), Theft Deterrent Control Module |
| 48 | 4WD Fuse | 15 | Air Suspension Compressor Assembly, Auxiliary Water Pump Relay 1, Front Axle Actuator, Transfer Case Shift Control Switch |
| 49 | — | — | — |
| 50 | TBC IG Fuse | 3 | Body Control Module (BCM) |
| 51 | BRAKE Fuse | 10 | Electronic Brake Control Module (EBCM) |
| 52 | TBC RUN Fuse | 3 | Body Control Module (BCM) |
Fuse Block- Rear (Long Wheel Base), Label Usage
| No | Fuse name | A | Description |
| 1 | RT DOORS Circuit Breaker | 25 | Front Passenger Door Module (FPDM), Window Switch- RR |
| 2 | LT DOORS Circuit Breaker | 25 | Driver Door Module (DDM), Window Switch – LR |
| 3 | LGM #2 Fuse | 30 | Liftgate Module (LGM) |
| 4 | TBC 3 Fuse | 10 | Body Control Module (BCM) |
| 5 | RR FOG Fuse | 10 | Tail Lamp Circuit Board -Left |
| 6 | — | — | — |
| 7 | TBC 2 Fuse | 10 | Body Control Module (BCM) |
| 8 | SEATS Circuit Breaker | 30 | Lumbar Adjuster Switches, Memory Seat Module – Driver, Seat Adjuster Switches |
| 9 | RR WIPER Circuit Breaker | 15 | Rear Window Wiper Motor |
| 10 | DDM Fuse | 10 | Driver Door Module (DDM) |
| 11 | AMP Fuse | 20 | Audio Amplifier |
| 12 | PDM Fuse | 20 | Front Passenger Door Module (FPDM) |
| 13 | RR HVAC FUSE | 30 | Blower Motor- Auxiliary, Blower Motor Control Processor – Auxiliary |
| 14 | LR PARK Fuse | 10 | License Lamps, Tail Lamp Circuit Board- Left |
| 15 | — | — | — |
| 16 | VEH CHMSL Fuse | 10 | Center High Mounted Stop Lamp (CHMSL) |
| 17 | RR PARK Fuse | 10 | Clearance Lamps, Tail Lamp Circuit Board – Right |
| 18 | LOCK Relay | — | Rear Door Latch Assemblies |
| 19 | LGM/DSM Fuse | 10 | Cobra Intrusion Sensor Module, Inclination Sensor, Liftgate Module (LGM), Memory Seat Module- Driver |
| 21 | LOCKS Fuse | 10 | LOCK Relay, UNLOCK Relay |
| 22 | RAP Relay | — | Quarter Glass Switches, Sunroof Motor |
| 23 | — | — | — |
| 24 | UNLOCK Relay | — | Rear Door Latch Assemblies |
| 25 | — | — | — |
| 26 | — | — | — |
| 27 | OH BATT/ONSTAR Fuse | 10 | Digital Video Disc (DVD) Player, Garage Door Opener, Vehicle Communication Interface Module (CIM) |
| 28 | SUNROOF Fuse | 20 | Sunroof Motor |
| 29 | RAIN Fuse | 10 | Outside Moisture Sensor |
| 30 | PARK LP Relay | — | F PARK Fuse, LR PARK Fuse. RR PARK Fuse, TR PARK Fuse |
| 31 | TBC ACC Fuse | 3 | Body Control Module (BCM) |
| 32 | TBC 5 Fuse | 10 | Body Control Module (BCM) |
| 33 | FRT WPR Fuse | 25 | Windshield Wiper Motor |
| 34 | VEH STOP Fuse | 15 | Engine Control Module (ECM), Powertrain Control Module (PCM), Tail Lamp Circuit Board -Left/Right, Trailer Brake Wiring, Transmission Control Module (TCM) |
| 35 | TCM Fuse | 10 | Transmission Control Module (TCM) |
| 36 | HVAC B Fuse | 10 | HVAC Control Module, HVAC Control Module -Auxiliary |
| 37 | F PARK Fuse | 10 | Marker Lamps, Park Lamps, Park/Turn Signal Lamps, Turn Signal/Multifunction Switch |
| 38 | LT TURN Fuse | 10 | Driver Door Module (DDM), Instrument Panel Cluster (I PC), Marker Lamp, Park/Turn Signal Lamp- LF, Tail Lamp Circuit Board- Left, Turn Signal Lamp – LF |
| 39 | HVAC I Fuse | 10 | Air Temperature Actuators, Console Mode Actuator- Auxiliary, Defrost Actuator, HVAC Control Module, HVAC Control Module- Auxiliary, Mode Actuator, Recirculation Actuator, Steering Wheel Speed/Position Sensor, Turn Signal/Multifunction Switch |
| 40 | TBC 4 Fuse | 10 | Body Control Module (BCM) |
| 41 | RADIO Fuse | 15 | Digital Radio Receiver, Radio |
| 42 | TR PARK Fuse | 10 | Trailer Connector |
| 43 | RT TURN Fuse | 10 | Front Passenger Door Module (FPDM), Instrument Panel Cluster (I PC), Marker Lamp- RF, Park/Turn Signal Lamp- RF, Tail Lamp Circuit Board- Right, Turn Signal Lamp- RF |
| 44 | HVAC Fuse | 30 | HVAC Control Module |
| 45 | RR FOG LP Relay | — | RR FOG Fuse |
| 46 | AUX PWR 1 Fuse | 20 | Auxiliary Power Outlets |
| 47 | IGN 0 Fuse | 10 | Automatic Transmission, Automatic Transmission Shift Lock Actuator, Engine Control Module (ECM). Powertrain Control Module (PCM), Theft Deterrent Control Module |
| 48 | 4WD Fuse | 15 | Air Suspension Compressor Assembly, Auxiliary Water Pump Relay 1, Front Axle Actuator, Transfer Case Shift Control Switch |
| 49 | — | — | — |
| 50 | TBC IG Fuse | 3 | Body Control Module (BCM) |
| 51 | BRAKE Fuse | 10 | Electronic Brake Control Module (EBCM) |
| 52 | TBC RUN Fuse | 3 | Body Control Module (BCM) |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.