SRS AIRBAGS – AIRBAG MODULE AND CLOCK SPRING
52B-33
Check procedure
Apart from the following items, servicing is the same as in the previous
model.
Clock spring
If any of the following checks reveals a non-conformity, then the clock
spring must be replaced with a new one.
(1)
Damage to the connectors or protector tube, or deformation of
the terminals
(2)
Damage to the case
(3)
Check that there is connectivity between the C-205 clock spring
connector terminal 1 and the C-206 phone switch connector.
(4)
(Vehicle with integrated airbag module)
Insert the special probe (MB991222) behind the Driver’s airbag
module connector C-207.
Caution
Do not insert the probe directly into the terminal from the
front side of the connector.
(5)
Connect the circuit tester to the special tool, as illustrated in the
diagram, and check that there is connectivity between the
terminals.
(4)
(Vehicle with separate airbag module)
Align the paint mark of the No.1 connector of the special SRS
check harness (MB991606 or MB991613) with the arrow on the
No.3 connector of the clock spring. Couple the connectors
together.
(5)
(Using SRS check harness (MB199606))
Check that there is connectivity between the terminals 25 – 26 of
the No.2 connector of the SRS check harness.
(Using SRS check harness MB991613)
Check that there is connectivity between the terminals 22 – 23 of
the No.2 connector of the SRS check harness.
Case
C-205 Clock spring
connector
Protector tube
C-206 Phone switch connector
C-207 Driver’s airbag
module connector
C-207 Driver’s airbag
module connector
Probe
(MB991222)
Clock spring
Circuit
tester
C-207 Driver’s
airbag module
connector
Paint mark
SRS check harness
(MB991606 or
MB991613)
Clock spring
connector 3
View A