Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 959

52B-10
Code No.
21
22
61
62
Check the clock spring. (Refer to P.52B-34.)
SRS check harness
(MB991613)
1
Body wiring
harness
Clock spring
Code No.24, 25, 64 or 65 Front passenger's side air bag
module (squib) system
These diagnosis codes are output if there is abnormal resistance between the input
terminals of the front passeger's side air bag module (squib).
The trouble causes for each diagnosis code No. are as follows.
Code No.
24
25
64
65
Trouble causes
Short in driver's side air bag module (squib) or harness short
Short in clock spring
Open circuit in driver's side air bag module (squib) or open harness
Open circuit in clock spring
Disconnected driver's side air bag module (squib) connector
Partial disconnection due to incorrect clock spring neutral position
Malfunction of connector contact
Short in driver's side air bag module (squib) harness leading to the power supply
Short in driver's side air bag module (squib) harness leading to the earth
NO
MUT-II Self-diag code
Disconnect clock spring
connector B-52, and con-
nect the harness side
connector to SRS check
harness connector 1.
Connect the battery (–)
terminal.
Erase diagnosis code
memory.
Are code Nos.21, 22, 61 or 62
output?
Trouble causes
Short in front passenger's side air bag module (squib) or harness short
Open circuit in front passenger's side air bag module (squib) or open harness
Malfunction of connector contact
Short in front passenger's side air bag module (squib) harness leading to the power
supply
Short in front passenger's side air bag module (squib) harness leading to the earth
NG
Replace
YES
Check the following connectors: X-88, X-93
OK
Check trouble symptoms.
NG
Check the harness wire between the clock spring and SRS-ECU.
OK
Replace the SRS-ECU.
NO
Check the following connector: X-82
OK
Check trouble symptoms.
NG
Replace the driver's side air bag module.
Probable cause
Malfunction of wiring harnesses or connectors
Malfunction of front passenger's side air bag module
(squib)
Malfunction of SRS-ECU
NG
Repair
NG
Repair
NG
Repair