Isuzu Ascender S 2006 - 2006 ELECTRICAL Fuses & Circuit Breakers - Ascender, Envoy, Envoy XL, Rainier & Trailblazer
Isuzu Ascender S 2006 - IDENTIFICATION
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. See appropriate COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
Isuzu Ascender S 2006 - FUSIBLE LINK
Fusible links are usually located between battery and starter or electrical center. For description and repair procedures, see Fig. 1.
Fig. 1: Isuzu Ascender S 2006 - Component Locations - Repairing Fusible Links
Isuzu Ascender S 2006 - REAR FUSE BLOCK
NOTE: The short wheelbase models use a different rear fuse block from the long wheelbase models. The rear fuse block is located under left second row seat on both. See Fig. 2.
Fig. 2: Isuzu Ascender S 2006 - Component Locations - Locating Rear Fuse Block
Isuzu Ascender S 2006 - Short Wheelbase
Isuzu Ascender S 2006 Fuse Block - Rear (Short Wheel Base)
No. Device Rating Description 1 RT DOORS Circuit Breaker 25A Front Passenger Door Module (FPDM), Window Switch - RR 2 LT DOORS Circuit Breaker 25A Driver Door Module (DDM), Window Switch - LR 3 LGM #2 Fuse 30A Liftgate Module (LGM) 4 TBC 3 Fuse 10A Body Control Module (BCM) 5 RR FOG Fuse 10A Tail Lamp Circuit Board - Left 6 - - Not Used 7 TBC 2 Fuse 10A Body Control Module (BCM) 8 SEATS Circuit Breaker 30A Lumbar Adjuster Switches, Memory Seat Module - Driver, Seat Adjuster Switches 9 RR WIPER Circuit Breaker 15A Rear Window Wiper Motor 10 DDM Fuse 10A Driver Door Module (DDM) 11 AMP Fuse 20A Audio Amplifier 12 PDM Fuse 10A Front Passenger Door Module (FPDM) 13 RR HVAC FUSE 30A Blower Motor - Auxiliary, Blower Motor Control Processor - Auxiliary 14 LR PARK Fuse 10A License Lamps, Tail Lamp Circuit Board - Left 15 - - Not Used 16 VEH CHMSL Fuse 10A Center High Mounted Stop Lamp (CHMSL) 17 RR PARK Fuse 10A Clearance Lamps, Tail Lamp Circuit Board - Right 18 LOCK Relay - Rear Door Latch Assemblies 19 LGM/DSM Fuse 10A Cobra Intrusion Sensor Module, Inclination Sensor, Liftgate Module (LGM), Memory Seat Module - Driver 21 LOCKS Fuse 10A LOCK Relay, UNLOCK Relay 23 - - Not Used 24 UNLOCK Relay - Rear Door Latch Assemblies 25 - - Not Used 26 - - Not Used 27 OH BATT/ONSTAR Fuse 10A Digital Video Disc (DVD) Player, Garage Door Opener, Vehicle Communication Interface Module (CIM) 28 SUNROOF Fuse 20A Sunroof Motor 29 RAIN Fuse 10A Outside Moisture Sensor 30 PARK LP Relay - F PARK Fuse, LR PARK Fuse, RR PARK Fuse, TR PARK Fuse 31 TBC ACC Fuse 3A Body Control Module (BCM) 32 TBC 5 Fuse 10A Body Control Module (BCM) 33 FRT WPR Fuse 25A Windshield Wiper Motor 34 VEH STOP Fuse 15A Engine Control Module (ECM), Powertrain Control Module (PCM), Tail Lamp Circuit Board - Left/Right, Trailer Brake Wiring, Transmission Control Module (TCM) 35 TCM Fuse 10A Transmission Control Module (TCM) 36 HVAC B Fuse 10A HVAC Control Module, HVAC Control Module - Auxiliary 37 F PARK Fuse 10A Marker Lamps, Park Lamps, Park/Turn Signal Lamps, Turn Signal/Multifunction Switch 38 LT TURN Fuse 10A Driver Door Module (DDM), Instrument Panel Cluster (IPC), Marker Lamp - LF, Park/Turn Signal lamp - LF, Tail lamp Circuit Board - Left, Turn Signal Lamp - LF 39 HVAC I Fuse 10A 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 10A Body Control Module (BCM) 41 RADIO Fuse 15A Digital Radio Receiver, Radio 42 TR PARK Fuse 10A Trailer Connector 43 RT TURN Fuse 10A Front Passenger Door Module (FPDM), Instrument Panel Cluster (IPC), Marker Lamp - RF, Park/Turn Signal lamp - RF, Tail lamp Circuit Board - Right, Turn Signal Lamp - RF 44 HVAC Fuse 30A HVAC Control Module 45 RR FOG LP Relay - RR FOG Fuse 46 AUX PWR 1 Fuse 20A Auxiliary Power Outlets 47 IGN 0 Fuse 10A Automatic Transmission, Automatic Transmission Shift Lock Actuator, Engine Control Module (ECM), Powertrain Control Module (PCM), Theft Deterrent Control Module 48 4WD Fuse 15A Air Suspension Compressor Assembly, Auxiliary Water Pump Relay 1, Front Axle Actuator, Transfer Case Shift Control Switch 49 - - Not Used 50 TBC IG Fuse 3A Body Control Module (BCM) 51 BRAKE Fuse 10A Electronic Brake Control Module (EBCM) 52 TBC RUN Fuse 3A Body Control Module (BCM)
Isuzu Ascender S 2006 - Long Wheelbase (Except XUV)
Isuzu Ascender S 2006 Fuse Block - Rear (Long Wheel Base)
No. Device Rating Description 1 RT DOORS Circuit Breaker 25A Front Passenger Door Module (FPDM), Window Switch - RR 2 LT DOORS Circuit Breaker 25A Driver Door Module (DDM), Window Switch - LR 3 LGM #2 Fuse 30A Liftgate Module (LGM) 4 TBC 3 Fuse 10A Body Control Module (BCM) 5 RR FOG Fuse 10A Tail Lamp Circuit Board - Left 6 - - Not Used 7 TBC 2 Fuse 10A Body Control Module (BCM) 8 SEATS Circuit Breaker 30A Lumbar Adjuster Switches, Memory Seat Module - Driver, Seat Adjuster Switches 9 RR WIPER Circuit Breaker 15A Rear Window Wiper Motor 10 DDM Fuse 10A Driver Door Module (DDM) 11 AMP Fuse 20A Audio Amplifier 12 PDM Fuse 10A Front Passenger Door Module (FPDM) 13 RR HVAC FUSE 30A Blower Motor - Auxiliary, Blower Motor Control Processor - Auxiliary 14 LR PARK Fuse 10A License Lamps, Tail Lamp Circuit Board - Left 15 - - Not Used 16 VEH CHMSL Fuse 10A Center High Mounted Stop Lamp (CHMSL) 17 RR PARK Fuse 10A Clearance Lamps, Tail Lamp Circuit Board - Right 18 LOCK Relay - Rear Door Latch Assemblies 19 LGM/DSM Fuse 10A Cobra Intrusion Sensor Module, Inclination Sensor, Liftgate Module (LGM), Memory Seat Module - Driver 20 VENT WDO Fuse 20A RAP Relay 21 LOCKS Fuse 10A LOCK Relay, UNLOCK Relay 22 RAP Relay - Quarter Glass Switches, Sunroof Motor 23 - - Not Used 24 UNLOCK Relay - Rear Door Latch Assemblies 25-26 - - Not Used 27 OH BATT/ONSTAR Fuse 10A Digital Video Disc (DVD) Player, Garage Door Opener, Vehicle Communication Interface Module (CIM) 28 SUNROOF Fuse 20A Sunroof Motor 29 RAIN Fuse 10A Outside Moisture Sensor 30 PARK LP Relay - F PARK Fuse, LR PARK Fuse, RR PARK Fuse, TR PARK Fuse 31 TBC ACC Fuse 3A Body Control Module (BCM) 32 TBC 5 Fuse 10A Body Control Module (BCM) 33 FRT WPR Fuse 25A Windshield Wiper Motor 34 VEH STOP Fuse 15A Engine Control Module (ECM), Powertrain Control Module (PCM), Tail Lamp Circuit Board - Left/Right, Trailer Brake Wiring, Transmission Control Module (TCM) 35 TCM Fuse 10A Transmission Control Module (TCM) 36 HVAC B Fuse 10A HVAC Control Module, HVAC Control Module - Auxiliary 37 F PARK Fuse 10A Marker Lamps, Park Lamps, Park/Turn Signal Lamps, Turn Signal/Multifunction Switch 38 LT TURN Fuse 10A Driver Door Module (DDM), Instrument Panel Cluster (IPC), Marker Lamp - LF, Park/Turn Signal lamp - LF, Tail lamp Circuit Board - Left, Turn Signal Lamp - LF 39 HVAC I Fuse 10A 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 10A Body Control Module (BCM) 41 RADIO Fuse 15A Digital Radio Receiver, Radio 42 TR PARK Fuse 10A Trailer Connector 43 RT TURN Fuse 10A Front Passenger Door Module (FPDM), Instrument Panel Cluster (IPC), Marker Lamp - RF, Park/Turn Signal lamp - RF, Tail lamp Circuit Board - Right, Turn Signal Lamp - RF 44 HVAC Fuse 30A HVAC Control Module 45 RR FOG LP Relay - RR FOG Fuse 46 AUX PWR 1 Fuse 20A Auxiliary Power Outlets 47 IGN 0 Fuse 10A Automatic Transmission, Automatic Transmission Shift Lock Actuator, Engine Control Module (ECM), Powertrain Control Module (PCM), Theft Deterrent Control Module 48 4WD Fuse 15A Air Suspension Compressor Assembly, Auxiliary Water Pump Relay 1, Front Axle Actuator, Transfer Case Shift Control Switch 49 - - Not Used 50 TBC IG Fuse 3A Body Control Module (BCM) 51 BRAKE Fuse 10A Electronic Brake Control Module (EBCM) 52 TBC RUN Fuse 3A Body Control Module (BCM)
Isuzu Ascender S 2006 - UNDERHOOD FUSE BLOCK
NOTE: Underhood fuse block is located on driver's side of engine compartment, above left front wheel well. See Fig. 5.
Fig. 5: Isuzu Ascender S 2006 - Component Locations - Locating Underhood Fuse Block
Isuzu Ascender S 2006 - 4.2L Engine
Isuzu Ascender S 2006 Fuse Block - Underhood (4.2L)
No. Device Rating Description 1 ECAS Fuse 30A Air Suspension Compressor Assembly 2 HI HEADLAMP-RT Fuse 10A Headlamp - High Beam - Right 3 LO HEADLAMP-RT Fuse 10A Headlamp - Low Beam - Right 4 TRLR BCK/UP Fuse 10A Trailer Connector 5 HI HEADLAMP-LT Fuse 10A Headlamp - High Beam - Left 6 LO HEADLAMP-LT Fuse 10A Headlamp - Low Beam - Left 7 WPR Fuse 20A HEADLAMP WPR Relay, REAR/WPR Relay 8 ATC Fuse 30A Transfer Case Encoder Motor, Transfer Case Shift Control Module 9 WSW Fuse 15A WSW Relay 10 PCM B Fuse 20A FUEL PUMP Relay, Powertrain Control Module (PCM) 11 FOG LAMP Fuse 15A FOG LAMP Relay 12 STOP LAMP Fuse 25A Stop Lamp Switch 13 LTR Fuse 20A Cigar Lighter, Data Link Connector (DLC) 15 EAP Fuse 15A Auxiliary Water Pump Relay 1, EAP Relay, Electronic Adjustable Pedals (EAP) Relay 16 TBC IGN1 Fuse 10A Body Control Module (BCM) 17 CRNK Fuse 10A Powertrain Control Module (PCM) 18 AIR BAG Fuse 10A Inflatable Restraint Front Passenger Pressure System (PPS) Module, Inflatable Restraint Sensing and Diagnostic Module (SDM), Rollover Sensor 19 ELEC BRK Fuse 30A Trailer Brake Wiring 20 FAN Fuse 10A FAN Relay 21 HORN Fuse 15A HORN Relay 22 IGN E Fuse 10A A/C Relay, Headlamp Leveling Actuators, Headlamp Switch, Inside Rearview Mirror, Instrument Panel Cluster (IPC), Park/Neutral Position (PNP) Switch, Stop Lamp Switch, Turn Signal/Multifunction Switch 23 ETC Fuse 10A Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor, Powertrain Control Module (PCM) 24 IPC/DIC Fuse 10A Instrument Panel Cluster (IPC) 25 BTSI Fuse 10A Automatic Transmission Shift Lock Actuator, Stop Lamp Switch 26 TCM CNSTR Fuse 10A Evaporative Emission (EVAP) Canister Purge Solenoid, Evaporative Emission (EVAP) Canister Vent Solenoid 27 BCK/UP Fuse 15A EAP Relay, Park/Neutral Position (PNP) Switch 28 PCM I Fuse 15A Fuel Injectors, Ignition Coils, Powertrain Control Module (PCM) 29 O2 SNSR Fuse 10A Heated Oxygen Sensor (HO2S) 1/2 30 A/C Fuse 10A A/C Relay 31 TBC I Fuse 10A Body Control Module (BCM), Theft Deterrent Alarm, Theft Deterrent Control Module 32 TRLR Fuse 30A Trailer Connector 33 ABS Fuse 60A Electronic Brake Control module (EBCM) 34 IGN A Fuse 40A Ignition Switch - ACCY/RUN/START, RUN, START BUS 35 BLWR Fuse 40A Blower motor Control Module, Blower Motor Resistor Assembly 36 IGN B Fuse 40A 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-LT Fuse, LO HEADLAMP-RT Fuse 47 STRTR Relay - Starter 48 I/P BATT Fuse 125A Fuse Block - Rear - B+ Bus 49 EAP Relay - Electronic Adjustable Pedals (EAP) Switch 50 TRLR RT TRN Fuse 10A Trailer Connector 51 TRLR LR TRN Fuse 10A Trailer Connector 52 HAZRD Fuse 25A Turn Signal/Hazard Flasher Module 53 HDM Fuse 15A HDM Relay 54 AIR SOL Fuse 15A AIR SOL Relay, Secondary Air Injection (AIR) Pump Relay, Theft Deterrent Alarm 55 AIR SOL Relay - Secondary Air Injection (AIR) Solenoid 56 AIR PUMP Fuse 60A Secondary Air Injection (AIR) Pump Relay 57 PWR/TRN RELAY - ETC Fuse, O2 SNSR Fuse 58 VSES Fuse 60A Electronic Brake Control module (EBCM)
Isuzu Ascender S 2006 - 5.3L & 6.0L Engine
Isuzu Ascender S 2006 Fuse Block - Underhood (5.3L/6.0L)
No. Device Rating Description 1 ECAS Fuse 30A Air Suspension Compressor Assembly 2 HI HEADLAMP-RT Fuse 10A Headlamp - High Beam - Right 3 LO HEADLAMP-LT Fuse 10A Headlamp - Low Beam - Right 4 TRLR BCK/UP Fuse 10A Trailer Connector 5 HI HEADLAMP-LT Fuse 10A Headlamp - High Beam - Left 6 LO HEADLAMP-LT Fuse 10A Headlamp - Low Beam - Left 7 WPR Fuse 20A HEADLAMP WPR Relay, REAR/WPR Relay 8 ATC Fuse 30A Transfer Case Encoder Motor, Transfer Case Shift Control Module 9 WSW Fuse 15A WSW Relay 10 PCM B Fuse 20A FUEL PUMP Relay 11 FOG LAMP Fuse 15A FOG LAMP Relay 12 STOP LAMP Fuse 25A Stop Lamp Switch 13 LTR Fuse 20A Cigar Lighter, Data Link Connector (DLC) 14 IGN COILS Fuse 10A HI HEADLAMP Relay 15 TCM CNSTR Fuse 10A Evaporative Emission (EVAP) Canister Vent Solenoid, Transmission Control Module (TCM) 16 TBC IGN1 Fuse 10A Body Control Module (BCM) 17 CRNK Fuse 10A Engine Control Module (ECM) 18 AIR BAG Fuse 10A Inflatable Restraint Front Passenger Pressure System (PPS) Module, Inflatable Restraint Sensing and Diagnostic Module (SDM), Rollover Sensor 19 ELEC BRK Fuse 30A Trailer Brake Wiring 20 FAN Fuse 10A FAN Relay 21 HORN Fuse 15A HORN Relay 22 IGN E Fuse 10A A/C Relay, Headlamp Leveling Actuators, Headlamp Switch, Inside Rearview Mirror, Instrument Panel Cluster (IPC), Park/Neutral Position (PNP) Switch, Stop Lamp Switch, Turn Signal/Multifunction Switch 23 ETC Fuse 15A Engine Control Module (ECM) 24 IPC/DIC Fuse 10A Instrument Panel Cluster (IPC) 25 BTSI Fuse 10A Automatic Transmission Shift Lock Actuator, Stop Lamp Switch 26 ENG I Fuse 15A Evaporative Emission (EVAP) Canister Purge Solenoid, Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor, Valve Lifter Oil Manifold (VLOM) Assembly 27 BCK/UP Fuse 15A EAP Relay, Park/Neutral Position (PNP) Switch 28 ECMI Fuse 15A Engine Control Module (ECM) 29 ECM Fuse 10A Engine Control Module (ECM) 30 A/C Fuse 10A A/C Relay 31 INJA Fuse 20A Odd Fuel Injectors, Odd Ignition Coils 32 TRLR Fuse 30A Trailer Connector 33 ABS Fuse 60A Electronic Brake Control Module (EBCM) 34 IGN A Fuse 40A Ignition Switch - ACCY/RUN/START, RUN, START BUS 35 BLWR Fuse 40A Blower motor Control Module, Blower Motor Resistor Assembly 36 IGN B Fuse 40A 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-LT Fuse, LO HEADLAMP-RT Fuse 47 STRTR Relay - Starter 48 I/P BATT Fuse 125A Fuse Block - Rear - B+ Bus 49 EAP Relay - Electronic Adjustable Pedals (EAP) Switch 50 TRLR RT TRN Fuse 10A Trailer Connector 51 TRLR LT TRN Fuse 10A Trailer Connector 52 HAZRD Fuse 25A Turn Signal/Hazard Flasher Module 53 TRANS Fuse 15A Automatic Transmission, Transmission Control Module (TCM) 54 O2 SNSR B Fuse 10A Heated Oxygen Sensor (HO2S) Bank 1/2 Sensor 2 55 O2 SNSR A Fuse 10A Heated Oxygen Sensor (HO2S) Bank 1/2 Sensor 1 56 INJB Fuse 20 A Even Fuel Injectors, Even Ignition Coils 57 HDM Fuse 15A HDM Relay 58 TBC I Fuse 10A Body Control Module (BCM), Theft Deterrent Alarm, Theft Deterrent Control Module 59 EAP Fuse 15A Auxiliary Water Pump Relay 1, EAP Relay, Electronic Adjustable Pedals (EAP) Relay 60 PWR/TRN Relay - ENGI Fuse, ETC Fuse, INJA Fuse, INJB Fuse, O2 SNSR A Fuse, O2 SNSR B Fuse 61 VSES Fuse 60A Electronic Brake Control module (EBCM)