Ignition Signal Check

Fig. 18 Checking ignition signal:

This inspection should only be performed if engine fails to start.
1. With ignition switch ``Off,'' remove right connector from ECM.
2. Insert positive tester probe into white lead wire terminal from cord side of disconnected right connector and negative tester probe connected to body ground, check that 0 volts is detected with ignition switch ``Off,'' and battery voltage applied as shown, Fig. 18.
3. If battery voltage is not present, check ignition coil and related circuit.
4. Turn ignition switch ``Off,'' then reconnect ECM connector.