Mitsubishi MOTORS Space Runner 1998, Workshop Manual

Page: 970 / 1164

SRS -
Troubleshooting
52B-16
Code No.68 or 69 Front passenger’s side pre-tensioner
(squib) system Probable cause
These diagnosis codes are output if there is abnormal resistance between the input
terminals of the front passenger’s side pre-tensioner (squib).
The trouble causes for each diagnosis code No. are as follows.
D Malfunction of wiring harnesses or connectors
D Malfunction of front passenger’s side pre-tensioner
(squib)
D Malfunction of SRS-ECU
Code No. Trouble causes
68 D Short in front passenger’s side pre-tensioner (squib) harness leading to the power
supply
69 D Short in front passenger’s side pre-tensioner (squib) harness leading to the earth
NO
Replace the front passen-
ger’s side pre-tensioner.
OK
Check trouble symptoms.
NG
Repair
OK
Replace the SRS-ECU.
NG
Check the harness wire between the front passenger’s side pre-ten-
sioner and SRS-ECU.
NG
YES
Repair
MUT- II Self-diag code
D Disconnect front passenger’s side pre-tensioner connector
C-35, and connect the harness side connector to SRS check
harness connector 4.
D Connect the battery (-) terminal.
D Erase diagnosis code memory.
Are code Nos.68 or 69 output?
Assist wiring harness
OK
NG
Repair
4
SRS check harness (MB991613)
Front passenger’s side pre-tensioner connector
Resistance (3 W )
Check the following connectors:
C-35, B-16
Check the following connector:
C-35