Fault codes B1863 and/or B1864 stored in restraint systems control unit - AF91.40-P-8000A: Notes

MODEL 230 

MODIFICATION NOTES

21.11.04

Beginning immediately; it is no longer necessary to return the connector subject to complaint.

OPERATION NO. OF OPERATION TEXTS OR STANDARD TEXTS AND FLAT RATES

Category	Op. no.	Operation text	Time	Acc. no.	Code
P	913873	Remove/install driver/front passenger seat	025 WU	-	-
P	023814	Replace electrical connectors at driver seat and front passenger seat	013 WU	-	-

Damage code	Cause	Remedy
59 491 74	Resistance of belt retractor ignition circuit too high. Connectors X28/8, X28/9 faulty.	Replace connectors X28/8 and X28/9 with connectors of repair kit. Always repair both seats. Use 8 soldered connectors of the cable repair kit for each repair (see Parts ordering notes).
		1 Remove front seats.	AR91.10-P-1000R
		2 Deposit seats on suitable table.
		3 Unlock connector housing and remove from holder. Gray part remains on holder.
		Wiring diagram of airbag control unit with integrated emergency call system	PE91.60-P-2101KA
		4 Replace connector (side of seat).	AF91.40-P-8000-01A
			Figure
			*WH58.30-Z-1004-20A
		5 Replace coupling (frame floor system).	AF91.40-P-8000-02A
			Figure
			*WH58.30-Z-1004-20A
		6 Connect cables.	AF91.40-P-8000-03A
			Figure
		7 Install front seats	AR91.10-P-1000R

Fig 1: Identifying Wiring Harness Repair Kit (220 589 01 99 00)

COMMERCIALLY AVAILABLE TOOLS

Number	Designation
WH58.30-Z-1004-20A	Hot-air gun

PARTS ORDERING NOTES

Part no.	Designation	Quantity
002 546 13 41	Solder connector	8
230 540 58 05	Repair kit	1