626 L4-1998 cc 2.0L SOHC Turbo FE (1986)
Knock Sensor: Testing and Inspection
Inspection of Fail-Safe Function
Fig. 22 Service connector location, EGI Control Unit
1.
Warm up engine to normal operating temperature.
2.
Disconnect service connector to cancel inhibiting signal from EGI control unit Fig. 22.
Fig. 23 Knock control sensor connector
3.
Disconnect knock sensor connector, Fig. 23, and ensure ignition timing retards approximately 6°.
4.
Reconnect knock sensor connector and ensure ignition timing advances gradually.