Mitsubishi MOTORS L200 1996, Руководство по ремонту

Страница: 1484 / 1723

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Code No. 21 or 22 Driver’s air bag module (squib) system Probable cause
(1) These diagnosis codes are output if there is abnormal resistance between the
input terminals of the driver’s air bag module (squib) .
Refer to table 1 for the conditions for output of each diagnosis code.
(2) Diagnosis codes 21 and 22 are sometimes generated in combination with
diagnosis codes relating to the front impact sensor (code Nos. 11, 12 and 13), but
sometimes only one may be output instead of both being memorised. Because of
this, the front impact sensor should also be inspected al the same time.
Refer to table 2 for the failure mode combinations.
•
malfunction of clock spring
•
Open-circuit in clock spring due to inappropriate
neutral position
•
Malfunction of harnesses or connectors
•
Malfunction of air bag module (driver’s side squid)
•
Malfunction of SDU
TABLE 1: CONDITIONS FOR OUTPUT OF EACH DIAGNOSIS CODE
Code No. Trouble symptoms
21
•
Short in air bag module (driver’s side squib) or harness short
•
Short in clock spring
•
Short in driver’s side air bag module (squib) or front impact sensor harnesses leading
to the power supply
22
•
Open circuit in air bag module (driver’s side 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
•
Short in driver’s air bag module (squib) or front impact sensor harnesses leading to the
power supply
MUT-II SELF DIAG. CODE
•
Disconnect clock spring
connector C-56
•
Connect SRS-check
harness connector (1).
•
Erase diagnosis code
memory.
Are code Nos. 21 or 22
output?
NG
Clock spring inspection
Check the following
connectors:
C-49 and C-56
Check trouble symptoms.
Replace the air bag mo-
dule (driver’s side squib)
NG
NG
Repair
Repair
To next page
52B-10
SRS - Troubleshooting
19X0604
19X0604
OK
OK
NG
Yes
<Added>
<Vehicles without front
passenger’s air bag>
Resistor (3
Ω
)
SRS check harness
(MB991349)
C-56
connector
Clock spring
<Vehicles with front
passenger’s air bag>
Resistor
(3
Ω
)
SRS check harness
(MB991530)
C-56
connector
Clock spring
<Added>