Ignition And Control Systems Other Output Signals (B5234T3; B5254T; 1998): Overview
WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
The engine control module (ECM) also provides other units in the car with signals and information calculated using the sensors.
The following units receive information from the engine control module (ECM):
- transmission control module (TCM)
- combined instrument panel.
- trip computer
- air conditioning (A/C) compressor via air conditioning (A/C) relay.