The engine control unit

The test is carried out by voltage at the terminals of the connector of the engine control unit (pic. 15.17 and table 15.5).

Table 15.5. Checking the engine control unit

Terminal	Signal	Verification conditions	Terminal voltage
1	Engine control unit power supply	Ignition key in position «ON»	System Voltage
2	Ignition lock pulse sensor	Ignition key in position «OFF»	0 V
2	Ignition lock pulse sensor	Ignition key in position «ON»	System voltage
8	Connection on «mass» engine control unit	Always	0 V
9	Engine control unit power supply	Ignition key in position «ON»	System Voltage
16	Connection on «mass» engine control unit	Always	0 V