TROUBLESHOOTING
ACTIVE STABILITY CONTROL SYSTEM (ASC)
35C-57
STEP 5. Diagnosis code recheck
Recheck if the diagnosis code is set.
(1) Erase the diagnosis code.
(2) Ignition switch: LOCK (OFF) position
(3) Ignition switch: ON
Q: Is the diagnosis code No. C1279 set?
YES :
Replace the ASC-ECU.
NO :
Intermittent malfunction (Refer to GROUP
00
− How to Cope with Intermittent
Malfunction
P.00-13
.)
Code No. C1340: Stop lamp switch signal error
CAUTION
If there is any problem in the CAN bus lines, an
incorrect diagnosis code may be set. Prior to this
diagnosis, always diagnose the CAN bus lines.
OPERATION
ASC-ECU determines that the brake is/is not applied
based on the signals from 2-system stop lamp switch
and pressure sensor (incorporated in ASC-ECU). If
the signals from 2-system stop lamp switch and pres-
sure sensor (incorporated in hydraulic unit) are differ,
the ECU determines that the trouble occurs and sets
the diagnosis code.
Stop Lamp Switch Circuit
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Grey R : Red P : Pink V : Violet PU : Purple
FUSIBLE
LINK
1
STOP
LAMP
SWITCH
ASC-ECU
Main
Index
Group
TOC