DESCRIPTION
w/ Downhill Assist Control or w/ Crawl Control:
When the master cylinder solenoid (skid control ECU) is replaced, the master cylinder solenoid (skid control ECU) must be informed that the vehicle is equipped with downhill assist control and/or crawl control.
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
C120A |
The master cylinder solenoid is not informed that the vehicle is equipped with downhill assist control or crawl control and downhill assist control or crawl control operates. |
Calibration not performed |
PROCEDURE
1. |
PERFORM CALIBRATION |
(a) Perform calibration (See page ).
NOTICE:
If a DTC is output after replacing the master cylinder solenoid, it is possible that calibration has not been performed or the zero point calibration data was not cleared when calibration was performed.
|
2. |
CHECK FOR DTC |
(a) Check for DTCs (See page ).
Result |
Proceed to |
---|---|
DTC C120A is output |
A |
DTC C120A is not output |
B |
B | ![]() |
END |
|
3. |
CHECK TEST MODE DTC |
(a) Switch the vehicle to test mode, perform the downhill assist control switch
or crawl switch signal check, and then check that DTC C1379 is cleared (See page
).
Result |
Proceed to |
---|---|
DTC is not cleared |
A |
DTC is cleared |
B |
A | ![]() |
GO TO DTC C1379 |
B | ![]() |
USE SIMULATION METHOD TO CHECK |
Removal
REMOVAL
PROCEDURE
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing (See page
).
NOTICE:
When removing the front seat assembly RH, perform zero point calibration
and the sensitivity check (See page ).
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DESCRIPTION
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