S40 2.4i L5-2.4L VIN 38 B5244S4 (2008)
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°.
Front position sensor, value
Measurement range: 0 to +5 V.
Indicates sensor signal for front position sensor.
The normal value when the vehicle is on a flat surface and is unladen is approx. +2.5 V.
Rear position sensor, value
Measurement range: 0 to +5 V.
Indicates sensor signal for rear position sensor.
The normal value when the vehicle is on a flat surface and is unladen is approx. +2.5 V.
Voltage supply, sensor 5 V
Voltage supply to position sensors. Normal value is +5 V.
Description Of Reading Off Of Extended Diagnostic Trouble Code (DTC) Information
Description of reading off of extended diagnostic trouble code (DTC) information
Select type of description:
Description of frozen values See: Description Of Frozen Values, HCM
Description of status identifier See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and
Procedures/Description Of Status Identifier
Description of counter See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and
Procedures/Description Of Counter
Description Of Frozen Values, HCM
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.
Engine running
The status denotes whether the engine was running or not when the diagnostic trouble code was generated.
Global time
