21B-90
MR-413-X44-21B000$649.mif
V2
SEQUENTIAL GEARBOX
Fault finding - Interpretation of statuses
Vdiag No: 04
21B
ET049
HANDBRAKE POSITION RECOGNITION
STATUS
DEFINITIONThis status indicates detection by the sequential gearbox computer of the handbrake
position and has the specification "DONE" or "NOT DONE".
NOTESNone
Engine stopped, ignition on
ET049: "DONE"
In the event of a fault, refer to the interpretation of status ET028 “Handbrake”.
AFTER REPAIRCarry out another fault finding check on the system.
Deal with any other faults.
Clear the stored faults.
BVRJH1_V04_ET049
21B -122
MR-413-X44-21B000$885.mif
V2
Vdiag No: 04SEQUENTIAL GEARBOX
Fault finding - Interpretation of commands21B
ACTUATORS (Continued)
SETTINGSAC014 "Clutch solenoid valve"
This command enables the clutch solenoid valves to be operated to perform a listening
check or to test their supply.
AC015 "Engagement solenoid valves"
This command enables the engagement solenoid valves to be operated to perform a
listening check or to test their supply.
AC016 "Selection solenoid valves"
This command enables the selection solenoid valves to be operated to perform a listening
check or to test their supply.
AC017 "Display"
This command enables the display integrity to be checked by searching through all the data
available relating to the sequential gearbox.
AC019 "Return gearbox to neutral"
This command returns the gearbox to neutral.
AC024 Sequential actuator control
This command enables all sequential gearbox switches to be operated in order to check that
they are working.
AC028 "Engage reverse gear"
This command enables reverse gear to be engaged.
AC081 "Discharge pressure accumulator"
This command enables pressure in the hydraulic circuit to be discharged. The handbrake
must be applied when using this command.
VP001 "Write VIN"
This command permits manual entry of the vehicle's VIN into the computer.
Use this command each time the computer is replaced or (re)programmed.
Note:
When replacing or reprogramming a computer, use command AC007 Hydraulic unit pump rehabilitation
before carrying out parameter VP008 Program selection/engagement ranges.
VP008 "Program selection/engagement ranges"
This command enables the gears to be programmed.
Use this command when:
–replacing the electrohydraulic unit, the clutch or the gearbox,
–replacing or reprogramming the computer,
–replacing the engagement position sensor and the selecting position sensor,
–replacing the engagement, selection or clutch solenoid valves.
–replacing the reservoir, accumulator or pump only.
