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Geely Diagnosis Flow. Manual part - 105
417
No.319 Large force is required to stamp the pedal
5
Large force is required to stamp the pedal
Possible cause
[Description] Inspect the stroke of the booster and the brake pedal with conventional
method. Failure of the normally open valve can be inspected with the function test of the
failure diagnosis hydraulic pressure unit.
z
There is something wrong with the
booster
z
There is something wrong with the
normally open valve
No.320 There is no diagnostic code output
6
There is no malfunction code output (communication with the failure
diagnosis instrument is unavailable)
Possible cause
[Description]
ABS ECU power return or the diagnostic line return is open
when the communication with the failure diagnosis instrument is unavailable.
z
The fuse is burnt
z
The diagnostic line is broken or the joint is
loose
z
ABS ECU is damaged
z
There is something wrong with the failure
diagnosis instrument
Diagnostic and inspect the
normally open valve with the
failure diagnosis hydraulic control
unit
Inspect the stroke of the booster
and the pedal according to the
conventional method of vehicles
without ABS
Replace HCU (hydraulic control unit)
Abnormal
Normal