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Climate Units - Design and Function (Convertible): Overview Volvo C70 I

Automatic HVAC System 3 illustrations ~130 words

Scheme 382

Scheme 382: ECC Control Module

The control module has a built-in diagnostic system, the Volvo on-board diagnostic (OBD) system, which continuously monitors itself and its input and output signals.

Reading off control module identification

The control module can be identified by reading off a code from the control module memory. This code contains information about the control module P/N.

Scheme 383

Scheme 383: MCC Control Module

The control module has on-board diagnostics (OBD) which monitors input and output signals.

The control module ID can be confirmed by reading off a code from the control module memory.

This code contains information about the control module P/N.

Scheme 384

Scheme 384: Control Module Timer

The timer has an integrated diagnostic system, Volvo on-board diagnostic (OBD) system, which constantly supervises the timer and the in and out signals.