B76531.0
ELECTRONICALLY CONTROLLED HYDRAULIC SYSTEMS
Fault finding - Interpretation of XR25 bargraphs
38
ABS BOSCH
5.3
Erase computer memory(GO**).
Carry out a road test followed by a check with the XR25 kit.AFTER REPAIR
Bargraph 10 right hand side illuminated or flashing
Pump motor circuit
XR25 aids: * 301.dEF : Permanent signal or CO earth.
2.dEF : Motor not turning over.
10
If bargraph 10 RH is flashing, confirm the presence of the fault and therefore the
need to apply fault finding below, using command G20* on the XR25 kit.
The fault is present if the bargraph re-illuminates at the end of the command.
NOTES
Fiche n° 53
If all checks are correct, reconnect the computer and erase the memory with command G0**.
Leave fault finding mode(G13*) and carry out a road test.
Replace the computer if the fault reappears.
Check the ABS earths (tightening of the two earth bolts above the hydraulic assembly).
Check/ ensure continuity between the ABS earth and track 16 of the computer connector.
Check locking of the two-track connector of the pump motor.
1.dEFNOTESReplace the computer if the pump motor is operating permanently.
Replace the hydraulic assembly (mechanical locking of the pump, ...).
2.dEFNOTESNone.
38-13
v0406.0
IMMOBILISER
Fault finding - Checking conformity
82
If a fault bargraph illuminates, refer to the corresponding fault chart.NOTES
Order of
operationsFunction to be
checkedAction Bargraph Display and notes
9Reception of the key
codeIlluminated when the ignition
is switched on
if the key is coded and has the
correct format (on condition
that the vehicle was protected
before the ignition was
switched on, immobiliser
warning light flashing).
NOTE : In normal operation ,
bargraphs
8RH , 9RH and 10RH should be
illuminated together.
10 Valid key code Illuminated when the ignition
is turned on if the key is coded
and has the correct format and
code (on condition that the
vehicle was protected before
the ignition was turned on,
immobiliser warning light
flashing).
NOTE: In normal operation
bargraphs 8RH, 9RH and 10RH
should be illuminated
together.
11Reception of the
infrared signal from
the PLIP Illuminated for approximately
3 seconds if the infrared signal
is received by the decoder unit
via the infrared transmitter.
Illuminated for approximately
3 seconds if the infrared signal
received by the decoder unit
via the infrared transmitter is
the correct signal.
9
10
11
11
82-36
