Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2006X3 (E83) (CANADA) L6-2.5L (M54)REPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULEDIAGRAMSDIAGRAM INFORMATION AND INSTRUCTIONSSIGNAL GLOSSARYSIGNAL NAMES WITH H
2006 BMW X3 (E83) (CANADA) L6-2.5L (M54)
Signal Names With H
2006 BMW X3 (E83) (CANADA) L6-2.5L (M54)SECTION Signal Names With H
HAAV Solenoid outlet valve, rear
HAEV Solenoid inlet valve, rear
HEIZL Supply, seat heating, backrest
HEIZS Supply, seat heating, seat
HFK Glove compartment contact
HFS Heated windshield
HHS Rear window defroster
HHSDWA Interface to passenger-comp.sensor
HKK Tailgate contact
HKL1 Tailgate light 1
HKNG1 Tailgate-inclination switch 1
HKNG2 Tailgate-inclination switch 2
HKPA Tailgate hydraulic pump, direction OPEN
HKPZ Tailgate hydraulic pump, direction CLOSED
HKVENT Tailgate hydraulic valve
HLH+ Tweeter, rear left +
HLH- Tweeter, rear left -
HLV+ Tweeter, front left +
HLV- Tweeter, front left -
HRH+ Tweeter, rear right +
HRH- Tweeter, rear right -
HRV+ Tweeter, front right +
HRV- Tweeter, front right -
HSD Heated washer nozzles
HSDFS Heated washer nozzles and windshield
HSDPL Heated washer nozzle, left
HSDPR Heated washer nozzle, right
HSFL Glove compartment light
HSGH GND, load sensor, rear
HSGV GND, load sensor, front
HSK Rear-window contact
HSL Level sensor, left
HSPH +5V Load sensor, rear
HSPV +5V Load sensor, front
HSR Level sensor, right
HSSH Signal, load sensor, rear
HSSV Signal, load sensor, front
HZBF Seat heating, passenger
HZFA Seat heating, driver
HZHL Seat heating, rear left
HZHR Seat heating, rear right
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.