164 srs mod
DESCRIPTION
How to repair the N-80 connector for the SCM module 164 contact faults. that set Driver Air bag codes.TRANSCRIPT
164SRS / N-80 Connection
Modification
ML 350
ML 500
SRS 9000 codes
Steering Wheel and N-80 removed.Refer to applicable WIS Document
Connection point for N-80
Remove connector from steering column by depressing both tabs behind connector.
Tabs on both sides
Note position of tabs and connector.
Using a small pocket screw driver, gently release the secondary pin latch.
Slide secondary latch out of connector housing noting position.
Trim Back insulation about 4/5 inches using scissors as apposed to a razor blade.
Using a small flat blade, depress the lock tab of the pin being removed, pushing lightly towards to rear.
Cut off Pin and strip wire insulation back approximately 1 to 2 mm
Identify the wire repair harness for correct connections to N-80
Cut the repair harness approximately 3 to 4 inches from pin being used.
Strip repair harness end to 1 to 2 mm, solder to existing SRS lead using Raychem butt connector.
Loop all leads to allow a tension free connection.
Repeat with all effected SRS leads.
Tape all wires back into the previously cut insulation. Tape with MB cloth tape.
Reinstall secondary connector pin latch.
Reinstall connector in mounting, N-80 and steering wheel as per WIS instructions.
See next page appendix for related information in regards to this modification.
WIS Documents Notes on procedures
Related wire diagram Related Tools
Tools:
220 589 02 99 00 Repair set. 458-hl1802E Heat gun
Cloth Tape A 006 989 84 85 Raychem connector A 002 546 13 41
Wire Diagram Reference: PE 46.10-U-2101MAA PIN#
AB 1 #3 – Blue \ Black #4 – Black \ Yellow AB 2 #5 – Blue \ Black #6 – Black \ Yellow