CAN

MAIN LINE BETWEEN TPMS AND AFS CIRCUIT

Diagnosis Procedure


1. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Turn the ignition switch OFF.
2.Disconnect the battery cable from the negative terminal.
3.Disconnect the following connectors.
-ECM (Without ICC system)
-CAN gateway (With ICC system)
-Low tire pressure warning control unit
-AFS control unit
4.Check the continuity between the low tire pressure warning control unit harness connector and the AFS
control unit harness connector.





Is the inspection result normal?
YES (Present error)-Check CAN system type decision again.
YES (Past error)-Error was detected in the main line between the low tire pressure warning control unit and the AFS control unit.
NO- Repair the main line between the low tire pressure warning control unit and AFS control unit.