Categories: Isuzu

Isuzu Ascender (2003-2008) fuses and relay

The midsize SUV Isuzu Ascender was produced from 2003 to 2008. In this article, you will find fuse box diagrams of Isuzu Ascender 2006 and 2007, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

Fuse Layout Isuzu Ascender 2003-2008

Contents

Information from the owner’s manuals of 2006 and 2007 is used. The location and function of fuses in cars produced at other times may differ.
See Chevrolet TrailBlazer (2002-2009), perhaps there is more complete information.

Cigar lighter (power outlet) fuses in the Isuzu Ascender are the fuse #13 (“LTR” – Cigar Lighter) in the Engine Compartment Fuse Box, and fuse #46 (“AUX PWR 1” – Auxiliary Power Outlets) in the Rear Underseat Fuse Box.

Table of Contents

Engine Compartment Fuse Box

Fuse Box Location

It is located in the engine compartment on the driver’s side, under two covers.

Fuse box diagram

Assignment of the fuses and relay in the Engine Compartment (4.2L, 2006, 2007)

№	Name	A	Description
1	ECAS	30	Air Suspension Compressor Assembly
2	HI HEADLAMP-RT	10	Headlamp – High Beam – Right
3	LO HEADLAMP-RT	10	Head lamp – Low Beam – Right
4	TRLR BCK/UP	10	Trailer Connector
5	HI HEADLAMP-LT	10	Headlamp- High Beam – Left
6	LO HEADLAMP-LT	10	Headlamp – Low Beam – Left
7	WPR	20	HEADLAMP WPR Relay, REAR/WPR Relay
8	ATC	30	Transfer Case Encoder .Motor, Transfer Case Shift Control Module
9	WSW	15	WSW Relay
10	PCM B	20	FUEL PUMP Relay, Powertrain Control Module (PCM)
11	FOG LAMP	15	FOG LAMP Relay
12	STOP LAMP	25	Stop Lamp Switch
13	LTR	20	Cigar Lighter, Data Link Connector (DLC)
15	EAP	15	2006: Auxiliary Water Pump Relay 1, EAP Relay, Electronic Adjustable Pedals (EAP) Relay 2007: EAP Relay, Electronic Adjustable Pedals (EAP) Relay
16	TBC IGN1	10	Body Control Module (BCM)
17	CRNK	10	Powertrain Control Module (PCM)
18	AIR BAG	10	Inflatable Restraint Front Passenger Pressure System (PPS) Module, Inflatable Restraint Sensing and Diagnostic Module (SDM), Rollover Sensor
19	ELEC BRK	30	Trailer Brake Wiring
20	FAN	10	FAN Relay
21	HORN	15	HORN Relay
22	IGN E	10	A/C Relay, Headlamp l eveling Actuators, Headlamp Switch, Inside Rearview Mirror, Instrument Panel Cluster (IPC), Park/Neutral Position (PNP) Switch, Stop Lamp Switch, Turn Signal/Multifunction Switch
23	ETC	10	Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor, Powertrain Control Module (PCM)
24	IPC/DIC	10	Instrument Panel Cluster (IPC)
25	BTSI	10	Automatic Transmission Shift Lock Actuator, Stop Lamp Switch
26	TCM CNSTR	10	Evaporative Emission (EVAP) Canister Purge Solenoid, Evaporative Emission (EVAP) Canister Vent Solenoid, Theft Deterrent Alarm
27	BCK/UP	15	EAP (Relay), Park/Neutral Position (PNP) Switch
28	PCM I	15	Fuel Injectors, Ignition Coils, Powertra in Control Module (PCM)
29	O2 SNSR	10	Heated Oxygen Sensor (H02S) 1/2
30	A/C	10	A/C Relay
31	TBC I	10	Body Control Module (BCM), Theft Deterrent Alarm, Theft Deterrent Control Module
32	TRLR	30	Trailer Connector
33	ASS	60	Electronic Brake Control Module (EBCM)
34	IGN A	40	Ignition Switch – ACCY/RUN/START, RUN, START BUS
35	BLWR	40	Blower Motor Control Module, Blower Motor Resistor Assembly
36	IGN B	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, HI HEADLAMP-RT
44	A/C (Relay)	—	A/C Compressor Clutch Assembly
45	FAN (Relay)	—	Cooling Fan
46	HDM (Relay)	—	LO HEADLAMP- L T, LO HEADLAMP-RT
47	STRTR (Relay)	—	Starter
48	I/P BATT	125	Fuse Block- Rear – B+ Bus
49	EAP (Relay)	—	Electronic Adjustable Pedals (EAP) Switch
50	TRLR RT TRN	10	Trailer Connector
51	TRLR LT TRN	10	Trailer Connector
52	HAZRD	25	Turn Signal/Hazard Flasher Module
53	HDM	15	HDM Relay
54	AIR SOL	15	AIR SOL Relay, Secondary Air Injection (AIR) Pump Relay
55	AIR SOL (Relay)	—	Secondary Air Injection (AIR) Solenoid
56	AIR PUMP	60	Secondary Air Injection (AIR) Pump Relay
57	PWR/TRN (Relay)	—	ETC, O2 SNSR
58	VSES	60	Electronic Brake Control Module (EBCM)
59	RVC	15	2007: Regulated Voltage Control Module

Rear Underseat Fuse Box

Fuse Box Location

The fuse box is located under of the left rear seat, under two covers.

Fuse box diagram

Assignment of the fuses in the Rear Underseat Fuse Box (2006, 2007)

№	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	10	Tail Lamp Circuit Board -Left
6	—	—	Not Used
7	TBC 2	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	10	Driver Door Module (DDM)
11	AMP	20	Audio Amplifier
12	PDM	20	Front Passenger Door Module (FPDM)
13	RR HVAC	30	2006: Blower Motor- Auxiliary, Blower Motor Control Processor – Auxiliary 2007: Not Used
14	LR PARK	10	License Lamps, Tail Lamp Circuit Board- Left
15	—	—	Not Used
16	VEH CHMSL	10	Center High Mounted Stop Lamp (CHMSL)
17	RR PARK	10	Clearance Lamps, Tail Lamp Circuit Board – Right
18	LOCK (Relay)	—	Rear Door Latch Assemblies
19	LGM/DSM	10	Cobra Intrusion Sensor Module, Inclination Sensor, Liftgate Module (LGM), Memory Seat Module- Driver
21	LOCKS	10	LOCK Relay, UNLOCK Relay
22	RAP (Relay)	—	Quarter Glass Switches, Sunroof Motor
23	—	—	Not Used
24	UNLOCK (Relay)	—	Rear Door Latch Assemblies
25	—	—	Not Used
26	—	—	Not Used
27	OH BATT/ONSTAR	10	Digital Video Disc (DVD) Player, Garage Door Opener, Vehicle Communication Interface Module (CIM)
28	SUNROOF	20	Sunroof Motor
29	RAIN	10	2006: Outside Moisture Sensor 2007: Not Used
30	PARK LP (Relay)	—	F PARK, LR PARK. RR PARK, TR PARK
31	TBC ACC	3	Body Control Module (BCM)
32	TBC 5	10	Body Control Module (BCM)
33	FRT WPR	25	Windshield Wiper Motor
34	VEH STOP	15	Engine Control Module (ECM), Powertrain Control Module (PCM), Tail Lamp Circuit Board -Left/Right, Trailer Brake Wiring, Transmission Control Module (TCM)
35	TCM	10	Transmission Control Module (TCM)
36	HVAC B	10	HVAC Control Module, HVAC Control Module -Auxiliary
37	F PARK	10	Marker Lamps, Park Lamps, Park/Turn Signal Lamps, Turn Signal/Multifunction Switch
38	LT TURN	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	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	10	Body Control Module (BCM)
41	RADIO	15	Digital Radio Receiver, Radio
42	TR PARK	10	Trailer Connector
43	RT TURN	10	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	30	HVAC Control Module
45	RR FOG LP (Relay)	—	RR FOG
46	AUX PWR 1	20	Auxiliary Power Outlets
47	IGN 0	10	Automatic Transmission, Automatic Transmission Shift Lock Actuator, Engine Control Module (ECM). Powertrain Control Module (PCM), Theft Deterrent Control Module
48	4WD	15	Air Suspension Compressor Assembly, Auxiliary Water Pump Relay 1, Front Axle Actuator, Transfer Case Shift Control Switch
49	—	—	Not Used
50	TBC IG	3	Body Control Module (BCM)
51	BRAKE	10	Electronic Brake Control Module (EBCM)
52	TBC RUN	3	Body Control Module (BCM)