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Home >> Saab >> 1993 >> 900 L4-2118cc 2.1L DOHC >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> Control Module (LH 2.4.2)

Control Module (LH 2.4.2)

Control module (LH 2.4.2)





The LH 2.4.2 control module is adapted to system changes resulting from changed components but also contains software changes which affect other additional functions.

Engagement of the Lambda sensor when the engine is started from cold is a function of time instead of temperature as it was before. This means that the theoretical limit at which control can start is reduced from 16°C to 0°C.

AC engagement is governed by the LH control module.

The AC relay is discontinued.
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