U0122-00 F-CAN Malfunction (EPS Control Unit-VSA Modulator-Control Unit)
1.
Problem verification:
Problem verification
?1.
Turn the vehicle to the ON mode.
?2.
Clear the DTC with the HDS.
?3.
Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
?4.
Wait 60 seconds or more.
?5.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
U0122-00 F-CAN Malfunction (EPS Control Unit-VSA Modulator-Control Unit)
Is DTC U0122-00 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.?
2.
Open wire check (F-CAN_H, F-CAN_L lines):
Open wire check (F-CAN_H, F-CAN_L lines)
?1.
Turn the vehicle to the OFF (LOCK) mode.
?2.
Disconnect the following connectors.
EPS control unit connector B (6P)
VSA modulator-control unit 38P connector
?3.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
EPS control unit connector B (6P): disconnected
VSA modulator-control unit 38P connector: disconnected