Output State Control - 97 MY
- Make
- Aston Martin
- Model
- DB7 Factory Workshop Manual Volume 2: Electrics, Body and Air Conditioning
- Year
- 1994–1998
- Section
- Operating instructions › Output State Control - 97 MY
Diagnostic system (PDU)Output State Control - 97 MY · page 1 of 3
Output State Control - 97 MY
This menu item provides a quick test of the basic electro-mechanical components controlled by the PCM. These tests should be performed in a key on engine off state.
The selections available are:
- Low Speed Cooling Fans
- High Speed Cooling Fans
- Set Electromechanical Outputs
Low and High Speed Fans
Selecting and confirming either the low or high speed cooling fans will run the fans at the selected speed for 5 seconds to verify their operation.
Electromechanical Outputs
This selection will cause the following electromechanical devices to operate for five seconds
- Air Pump
- Fuel Pumps
- Canister Purge Valve
- Idle Air Control Valve
Observing each device in turn as the PCM outputs are turned 'On' will enable the technician to verify correct operation.
Parts & tools for this job For 1994 Aston Martin DB7
- TOOLOBD2 scannerSearch: OBD2 scanner
- TOOLDigital multimeterSearch: automotive digital multimeter
- TOOLBack-probe test leadsSearch: back probe test leads
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