3
Code No. 21, 22, 61 or 62 Driver’s air bag module (squib) system
probable cause
These diagnosis codes are output if there is abnormal resistance between the input terminals of the driver’s
air bag module (squib).
Refer to the following table 1 for the trouble causes of each code No.
•
Malfunction of clock spring
•
Open-circuit in clock spring due
to inappropriate neutral position
•
Malfunction of harness of
connectors
•
Malfunction of driver’s air bag
module (squib)
•
Malfunction of SRS-ECU
Chart 1
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
•
Disconnected connector in the driver’s side air bag module (squib)
•
Open circuit in clock spring due to inappropriate neutral position
•
Malfunction of connector contact
61
The harness wire of the driver’s air bag module (squib) is grounded to the power supply.
62
The harness wire of the driver’s air bag module (squib) is grounded.
MUT-II DIAGNOSIS CODE
•
Disconnect clock spring connector
B-41
•
Connect SRS check harness
connector (1).
•
Erase diagnosis code memory.
Are code Nos. 21, 22, 61 or 62 output?
Yes
Check the following con-
nectors:
C-18 and B-41
Check trouble symptom
Check the harness between
the SRS-ECU and clock
spring.
Replace the SRS-ECU
NG
NG
Repair
Repair
No
NG
Clock spring check (Refer to P.52B-28.)
Repair
OK
Replace the driver’s air bag module.
SRS - Troubleshooting
52B-9
<Added>
<Added>
SRS check harness
(MB991613)
19U0039
Body wiring
harness
Clock spring
1 9 X 0 6 0 4
0 0 0 0 3 8 2 3
OK
NG
OK
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Содержание CARISMA 1996
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