38C-85V3 MR-413-X44-38C050$170.mif
38C
Bosch 8.1 ESP
Vdiag No.: 05
NOTESOnly check the customer complaint after performing a full check with the
diagnostic tool.
FAULTS DETECTED ON BRAKING WITH ABS/BRAKING REGULATION
Locking of one or more wheels ALP2
PullALP3
DriftALP4
Unexpected ABS operation at low speed and with slight pedal pressure ALP5
Unexpected ABS operation on a poor road surface ALP6
Unexpected ABS operation when using special equipment (car phone, CB, etc.) ALP7
Lengthening of the brake pedal travel following a regulation phase (with an
irregular pedal when entering the regulation phase)ALP8
Spongy pedalALP9
Brake pedal vibrationALP10
Noises from the pump, the pipes or the hydraulic unit ALP11
ANTI-LOCK BRAKING SYSTEM
Fault finding – Customer complaints
38C-94
AFTER REPAIRClear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V3 MR-413-X44-38C050$180.mif
ANTI-LOCK BRAKING SYSTEM
Fault finding – Fault finding chart38C
Bosch 8.1 ESP
Vdiag No.: 05
ALP8Lengthening of the brake pedal travel following a regulation
phase (with an irregular pedal when entering the regulation
phase)
NOTESOnly address this customer complaint after a complete check with the diagnostic tool.
Check the conformity of the mechanical components (see MR 411, Mechanical,
30A, General information, Brake, Specifications).
Bleed the primary hydraulic circuit (see MR 411, Mechanical, 30A, General information, Brake circuit,
Bleeding).
After the operation, carry out a road test with ABS regulation.
If the fault is still present:
Carry out an After-Sales bleed using command SC006 Bleed hydraulic unit and brake circuit.
After the operation, carry out a road test with ABS regulation.
If the fault is still present:
Bleed the primary hydraulic circuit again (see MR 411, Mechanical, 30A, General information, Brake circuit,
Bleeding).
After the operation, carry out a road test with ABS regulation.
If the customer complaint is particularly pronounced, and bleeding the circuit does not improve matters, replace
component 1094 (see MR 411, Mechanical, 38C, Hydraulic brake unit, Removal - Refitting).
ESP_V05_ALP8
