DIAGNOSIS <TC-SST>
TSB Revision
TWIN CLUTCH- SPORTRONIC SHIFT TRANSMISSION (TC-SST)
22C-229
STEP 2. Check whether the DTC is reset.
Q: Is DTC No. P1875 set?
YES : Replace the TC-SST assembly. (Refer to
P.22C-341
.)
NO : Intermittent malfunction. (Refer to GROUP 00
− How
to Cope with Intermittent Malfunction
P.00-15
.)
DTC P1876: 1st Gear Block
CAUTION
• If there is any problem in the CAN bus lines,
an incorrect diagnostic trouble code may be
set. Prior to this diagnosis, diagnose the CAN
bus lines.
• Whenever the ECU is replaced, ensure that
the CAN bus lines are normal.
.
DIAGNOSTIC FUNCTION
TC-SST-ECU checks that the gear engagement is
normal.
.
DESCRIPTIONS OF MONITOR METHODS
The engagement of the 1st gear is determined to be
impossible.
.
MONITOR EXECUTION
• Continuous
.
MONITOR EXECUTION CONDITIONS
(OTHER MONITOR AND SENSOR)
Other Monitor (There is no temporary DTC stored
in memory for the item monitored below)
• Not applicable
Sensor (The sensor below is determined to be
normal)
• Not applicable
.
LOGIC FLOW CHARTS (Monitor Sequence)
.
AC710729
START
No
Good
Malfunction
END
Yes
Yes
Monitoring condition met
No
Gear (synchro) engagement
is 3 times blocked