SRS ± Air Bag Modules and Clock Spring
52B-42
Caution
If dents, cracks, deformation, or rust are present in
the air bag module(s), replace with new one(s).
Discard the old one(s) as specified in the service
procedure. (Refer to P.52B-48.)
CLOCK SPRING CHECK
If any malfunction is found in the following inspections, replace
the clock spring with a new one.
1. Check the connectors and protective tubes for damage,
and terminals for deformation.
2. Visually check the case for damage.
3. Refer to that the clock spring has continuity between
connector No.2 and terminal No.4 of connector No.1.
4. Remove the cover from the No. 3 connector of the clock
spring, and then insert the probes (MB991222).
Caution
The probe must not be inserted directly to the terminals
from the front of the connector.
5. Connect a digital multimeter to the probe (MB991222),
as shown, to check that.
Standard value: 0.62 ± 0.12 Ω
FRONT SEAT BACK ASSEMBLY WITH SIDE AIR BAG
MODULE
If any malfunction is found in the following inspections, replace
the front seat back assembly.
To discard the removed front seat back assembly, deploy the
side air bag first as specified in the service procedure. (Refer
to P.52B-48.)
Case
Protective tubes
1
2
3
Clock spring
Probe
(MB991222)
3
2
Digital
multimeter
3
Cover
Side air bag module
deployment section
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