Repair Specification For Abs/Esp Control Units (LI42.45-P-051724)

WARNING: This page is about the Fortwo Electric Drive, 2D Convertible, which is a different variant/trim than selected.

Publication date: 2011-07-01
Reference number: LI42.45-P-051724

REPAIR SPECIFICATION FOR ABS/ESP CONTROL UNITS

TECHNICAL SERVICE BULLETIN

Reference Number(s): LI42.45-P-051724 Version 1, Date of Issue: July 1, 2011

SMART:	Model 450.### as of production date 15.11.1999, 451.## #, 452.###, 454.###.
DESIGN GROUP:	42.45 Electronic Stability Program (ESP), Stability Control (SR)
REASON FOR CHANGE:	Revision of WIS references and part numbers

COMPLAINT

Repair specification for ABS/ESP control units on vehicles of model series 450 as of 15.11.1999, model series 451, 452 and model series 454.

CAUSE

Electrical fault in ABS/ESP control unit.

REMEDY

As a general rule, read out and process the faults in the fault memory.

Basic requirement for replacing control units without removing the hydraulic unit is a specific

special tool kit; torque wrench: Q0019571V001000000.

NOTE: Due to the installation space, the entire hydraulic unit must first be removed on RHD vehicles of model series 452 to replace the ESP control unit.

See also the WIS documents in the attachment

Replacement of the entire ABS/ESP assembly due to electrical faults (e.g. C112A) is no longer permissible since 01.08.2004.

SYMPTOMS

Chassis/suspension/Brake system/Brakes/traction regulation system/Electronic Stability Program ESP/Indicator lamp/Does not go on

Chassis/suspension/Brake system/Brakes/traction regulation system/Electronic Stability Program ESP/Indicator lamp/lit

Chassis/suspension/Brake system/Brakes/traction regulation system/Acceleration Skid Control ASR/Indicator lamp/Traction system warning lamp/lit

CONTROL UNIT/FAULT CODE

Control unit	Fault code	Fault text
N47-5 (ESP control unit) (ESP_450) (fortwo 450, roadster 452)	C112A	Fault at valve relay
N47-5 (ESP control unit) (ESP8_451) (fortwo 451)	C1010	Fault at valve relay

PARTS

PARTS DESCRIPTION

Part number	ES1	ES2	Designation	Quantity	Note	EPC	Other make part
A4515458332			Repair kit for Electronic Stability Program	1	451.### as of model year 2007	X

WORK UNITS

Op. no.	Operation text	Time	Damage code	Note
			43125 00	All fault types

WIS-REFERENCES

Document number	Title	Note	Allocation
AR42.30-P-8550ff	Remove/install ABS control unit	Valid for ABS in model series 454 except code V33 (ESP)	Remedy
AR42.45-P-0820ff	Remove/install Electronic Stability Program (ESP) control unit	Valid for model series 454 with code V33 (ESP)	Remedy
AR42.45-P-0820SM	Remove/install Electronic Stability Program (ESP) control unit	Valid for model series 450. 3/4 as of 03.01.2003 up to 31.12.2004	Remedy
AR42.45-P-0820rr	Remove/install Electronic Stability Program (ESP) control unit	Valid for model series 452. 3## 1# and 452.4## 1#	Remedy
AR42.45-P-0820rl	Remove/install Electronic Stability Program (ESP) control unit	Valid for model series 452. 3## 2# and 452.4## 2#	Remedy
AR42.30-P-8550SM	Remove/install ABS control unit	Valid for model series 450. 3/4 up to 02.01.2003	Remedy
AR42.45-P-0820SN	Remove/install Electronic Stability Program (ESP) control unit	Valid for model series 450. 3/4 (except 450.418) as of 01.01.2005	Remedy
AR42.45-P-0820MCC	Remove/install Electronic Stability Program (ESP) control unit	Valid for model series 451. 3/4	Remedy
AR42.45-P-0820mcu	Remove/install Electronic Stability Program control unit	Valid for USA model series 451.3/4	Remedy