XC90 FWD L6-3.2L VIN 98 B6324S (2007)
Headlamp Control Module: Scan Tool Testing and Procedures
Description of Parameters
Description of parameters
Parameters, value
Power supply, value
Measurement range 6 - 20 V.
Indicates the power supply to the headlamp control module (HCM).
The normal value when the alternator is charging: 13.0-14.5 V.
Steering wheel angle, value
Measurement range: -780 to +780°.
Indicates current steering wheel angle.
The normal value when the steering wheel and front wheels point straight ahead is approx. 0°.
Description of Reading Off of Extended Diagnostic Trouble Code (DTC) Information
Description of reading off of extended diagnostic trouble code (DTC) information
Contents
Select type of description.
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Description of frozen values, B8444S, B6324S See: Description of Frozen Values
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Description of status identifier See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and
Procedures/Vehicle Communication Information, Engine Control Module (ECM)/Description of Status Identifier
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Description of counter See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and
Procedures/Vehicle Communication Information, Engine Control Module (ECM)/Description of Counter
Description of Frozen Values
Description of frozen values
Explanation
Frozen values are parameter values that are stored when a diagnostic trouble code is generated. Not all parameters can be read out for all diagnostic
trouble codes. The parameter values can only be read if they can provide additional information on the prevailing conditions when the code was
generated.
Total mileage, value
Measurement range: 0-1,000,000 km
The value indicates the vehicle's total mileage when the Diagnostic Trouble Code (DTC) was generated.
MECU power supply, value
Measurement range: 0 - 63 V
Normal range: 12.0 - 14.5 V
The value indicates the power supply to the central electronic module (CEM) when the diagnostic trouble code was generated.
Passenger compartment temperature, value
Measurement range: -40 till +215 °C
The value indicates the passenger compartment temperature when the diagnostic trouble code was generated.
Outside temperature, value
Measurement range: -40 till +215 °C
The value indicates the outside temperature when the diagnostic trouble code was generated.