Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 547

52B-16
Code No.22 Driver's air bag module (squib) system
This code is output when open circuit occurs in the SRS-ECU driver's air bag
module (squib) circuit.
However, SRS warning lamp goes out when a normal operation is resumed
(diagnosis code is not cleared.)
NOTE:
Two different types of driver's air bag modules by model are featured. Thus, two types of air bag module
by model are described in the following flowchart.
RS: Steering wheel and air bag module separate type
RS-II: Steering wheel and air bag module incorporate type
SRS -
Troubleshooting
<RS>
Possible Cause
D Open in the clock spring
D Half open in the circuit due to improper neutral
positioning of the clock spring
D Open in the driver's air bag module (squib) circuit
D Driver's air bag module (squib) connector falling
out
D Connector improper contact
D SRS-ECU inoperable
<RS-II>