Preparation
AV control unitU1207 AV control unit
DTC Logic
Diagnosis Procedure
1.PERFORM THE SELF-DIAGNOSIS
Delete the "self-diagnosis" results of "MULTI AV". Turn ignition
switch OFF.
Turn ignition switch ON. Perform the self-diagnosis again.
Check that the DTC is detected again.
U1216 AV CONTROL UNIT
DTC Logic
U1217 AV ...
C1147, C1148, C1149, C1150 USV/HSV line
Description
USV1, USV2 (CUT VALVE)
The cut valve shuts off the normal brake fluid path from the master cylinder,
when VDC/TCS is activated.
HSV1, HSV2 (SUCTION VALVE)
The suction valve supplies the brake fluid from the master cylinder to the
pump, when VDC/TCS is activated.
DTC Logic
DTC D ...
ECM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (unit side and connector
side).
- Models without automatic drive position ...