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Code No.21, 22, 61 or 62 Driver's side air bag module
(squib) system
Probable cause
These diagnostic trouble codes are output if there is abnormal resistance between
the input terminals of the driver's side air bag module (squib).
The trouble causes for each diagnostic trouble code No. are as follows. However,
as for code Nos. 21 and 22, if the vehicles condition returns to normal, SRS warning
lamp will go out. (diagnosis code will remain stored)
•Malfunction of clock spring
•Partially open as clock spring is not in neutral position
•Malfunction of wiring harnesses or connectors
•Malfunction of driver's side air bag module (squib)
•Malfunction of SRS-ECU


CODE No. TROUBLE SYMPTOM
21 •Short in driver's side air bag module (squib) or harness short
•Short in clock spring
22 •Open circuit in driver's side air bag module (squib) or open harness
•Open circuit in clock spring
•Malfunction of connector contact
61 •Short in driver's side air bag module (squib) harness leading to the power supply
62 •Short in driver's side air bag module (squib) harness leading to the ground