DTC 49

Diag. Code 49 Engine Communication Circuit





CIRCUIT DESCRIPTION
This circuit is used to send ignition timing retard request signals from the A.B.S. & TRAC ECU to the engine & ECT ECU in order to retard the engine ignition timing.





DIAGNOSTIC CHART

Wiring Diagram:

Wiring Routing:

Step 1:

Step 2:

INSPECTION PROCEDURE