Airbag (AB) diagnosis troubleshooting · ad9160p5000c · Mercedes-Benz WIS

AD91.60-P-5000C

Airbag (AB) diagnosis troubleshooting

17.2.98

MODEL 210 up to 30.6.99 with CODE (290) Windowbag

MODEL 210 up to 30.6.99 with CODE (293) Left and right rear side airbag

MODEL 210 as of 1.6.98 up to 30.6.99 with CODE (491) USA version

MODEL 210 as of 1.6.98 up to 30.6.99 with CODE (498) Japanese version

MODEL 210 as of 1.7.99

 Danger!	Risk of injury during test and repair work on airbag units or emergency tensioning retractor units	Store airbag units with the outlet area upwards and do not expose to temperatures above 100°C. Interrupt the power supply when working on these units.	AS91.00-Z-0001-01A
 Front passenger seat occupied recognition sensor with automatic child seat recognition (ACSR) (B48)	If no fault exists, the automatic child seat recognition warning lamp (N72e1) only comes on when the front passenger seat occupied recognition sensor with automatic child seat recognition (ACSR) (B48) has recognized a child seat. If the front passenger seat is not occupied (either by a person or child seat), the airbag, side airbag and emergency tensioning retractor on the front passenger side are deactivated and automatic child seat recognition warning lamp (N72e1) not illuminated.
	Airbag (AB) diagnosis, advanced information		AD91.60-P-2000C
	Actuation of SRS indicator lamp/MIL, function	(A1e15)	GF91.60-P-2003A
	Troubleshooting
Complaint	Possible cause	Notes	Remedy/Test step
SRS MIL (A1e15) in instrument cluster illuminated in ignition/starter key position "2"  not on  does not go out after approx. 4-20 seconds  flickers  illuminated for approx. 2 minutes  permanently illuminated.			AD91.60-P-6000-11C
SRS MIL (A1e15) in instrument cluster flashes in steering lock key position "1" after the control module is replaced.	Coding not carried out yet.		AD91.60-P-2000-15GH
Automatic child seat recognition warning lamp (N72e1) does not come on after the child seat is positioned on the front passenger seat	- Front passenger seat occupied recognition sensor with automatic child seat recognition (ACSR) (B48) does not recognize a child seat positioned on the front passenger seat (defective or child seat without transponder). - Child seat incorrectly positioned on front passenger seat		Left-hand steering: AD91.60-P-6000-37A Right-hand steering: AD91.60-P-6000-37B
	- N72e1		AD91.60-P-6000-23C
SRS MIL (A1e15) and automatic child seat recognition warning lamp (N72e1) permanently illuminated	- Only one transponder (resonator) recognized by child seat		Left-hand steering: AD91.60-P-6000-37A Right-hand steering: AD91.60-P-6000-37B
	- Non-approved child seat recognized - Control module coding, front passenger seat occupied recognition sensor with automatic child seat recognition (ACSR) (B48) incorrect		Carry out coding of airbag control module AD91.60-P-2000-15GH
	- Data bus from airbag control module (N2/7) to front passenger seat occupied recognition sensor with automatic child seat recognition (ACSR) (B48)		Left-hand steering: AD91.60-P-6000-37A Right-hand steering: AD91.60-P-6000-37B
	- B48		Read out fault memory of airbag AD91.60-P-4000D

Referenced documents

ad9160p200015gh Control module coding Vehicle equipment, airbag
ad9160p2000c Airbag (AB) diagnosis previous knowledge
ad9160p4000d Airbag (AB) diagnosis fault memory
ad9160p600011c SRS MIL test electrics airbag (AB)
ad9160p600023c Airbag OFF / child seat recognition MIL test electrics airbag (AB)
ad9160p600037a AB test of electrical system passenger seat occupied recognition with child seat recognition
ad9160p600037b AB test of electrical system passenger seat occupied recognition with child seat recognition
as9100z000101a Risk of injury caused by performing testing or repair work on airbag or emergency tensioning retractor units.
gf9160p2003a SRS malfunction indicator lamp actuation, function