Mitsubishi Outlander XL. Manual — part 901
ZC600212
D-08 Intermediate
connector (module side )
(front view)
A
A
4 mm or more
Terminal
Cable tie
Short
spring
Section
A - A
0001
(4)
Because the short spring is installed to the D-08 intermediate
connector (curtain air bag harness side), insert a cable tie [3
mm (0.12 inch) wide, 0.5 mm (0.02 inch) thick] between
terminals 1, 2 and the short spring to release the short spring.
ZC5007880032
D-08 Intermediate connector
(Curtain air bag harness side)
(rear view)
Do not insert a probe into the terminal from its front side
directly, as the connector contact pressure may be
weakened.
(5)
Check for continuity between the D-08 intermediate
connector (curtain air bag harness side) terminal No. 1, 2 and
the body ground.
It should be open circuit.
Q:Does continuity exist?
YES:
Repair the wiring harness.
NO:
Replace the curtain air bag module (RH) (Refer to P.
STEP 7. Recheck for diagnostic trouble code.
ZC501967
AC404789
ZC5019680000
MB991824
MB991827
MB991910
Data link
connector
Check again if the DTC is set.
(1)
Erase the DTC.
(2)
Turn the ignition switch to the "ON" position.
(3)
Check if the DTC is set.
(4)
Turn the ignition switch to the "LOCK" (OFF) position.
Q:Is DTC B1B23 set?
YES:
Replace SRS-ECU. (Refer to P.52B-326.)
NO:
Intermittent Malfunction (Refer to GROUP 00, How to
Use Troubleshooting/Inspection Service Points - How to
Cope with Intermittent Malfunction P.00-15).
DTC B1B50: Seat Belt Switch (LH) Circuit (Ground Side) Shorted
DTC B1B51: Seat Belt Switch (LH) Circuit (Power Supply Side) Shorted
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-135
SRS AIR BAG DIAGNOSIS
DTC B1B52: Seat Belt Switch (LH) Circuit Open
M15204000994USA0000010000
SEAT BELT SWITCH
(DRIVER'S SIDE)
SEAT BELT SWITCH
(PASSENGER'S SIDE)
SRS-ECU
Seat belt Switch Circuit
ZC600876
Connector: C-27
C-27 (Y)
0025
ZC6008790021
Connector: D-28
D-28 (B)
If DTC B1B50, B1B51 or B1B52 are set in the SRS-
ECU, always diagnose the CAN main bus lines.
CIRCUIT OPERATION
The SRS-ECU determines whether the seat belt is
fastened or not according to the connection location
of the seat belt switch in the seat buckle.
52B-136
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
SRS AIR BAG DIAGNOSIS
DTC SET CONDITIONS
DTC is set when the resistance between input
terminals of the seat belt switch in the SRS-ECU is
without the standard value.
TROUBLESHOOTING HINTS
⦆
Malfunction of the seat belt switch
⦆
Damaged wiring harnesses or connectors
⦆
Malfunction of the SRS-ECU
DIAGNOSIS
Required Special Tools:
⦆
MB991222: Probe
⦆
MB991958: Scan Tool (M.U.T.-III Sub Assembly)
⦆
MB991824: Vehicle Communication Interface (V.C.I.)
⦆
MB991827: M.U.T.-III USB Cable
⦆
MB991910: M.U.T.-III Main Harness A (Vehicles with
CAN communication system)
STEP 1. Using scan tool MB991958, diagnose the CAN bus
line.
ZC501967
AC404789
ZC5019680000
MB991824
MB991827
MB991910
Data link
connector
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before
connecting or disconnecting scan tool MB991958.
(1)
Connect scan tool MB991958. Refer to "How to connect the
scan tool P.52B-31."
(2)
Connect scan tool MB991958 to the data link connector.
(3)
Turn the ignition switch to the "ON" position.
(4)
Diagnose the CAN bus line.
(5)
Turn the ignition switch to the "LOCK" (OFF) position.
Q:Is the CAN bus line found to be normal?
YES:
Go to Step 3.
NO:
Repair the CAN bus line (Refer to GROUP 54D,
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-137
SRS AIR BAG DIAGNOSIS
STEP 2. Recheck for diagnostic trouble code.
ZC501967
AC404789
ZC5019680000
MB991824
MB991827
MB991910
Data link
connector
Check again if the DTC is set.
(1)
Erase the DTC.
(2)
Turn the ignition switch to "ON" position.
(3)
Check if the DTC is set.
(4)
Turn the ignition switch to the "LOCK" (OFF) position.
Q:Is the DTC set?
YES:
Go to Step 3.
NO:
There is an intermittent malfunction such as poor
engaged connector(s) or open circuit (Refer to GROUP 00,
How to Cope with Intermittent Malfunction P.00-15).
STEP 3. Check the driver’s seat belt switch.
ZC603628
Buckle
Tongue
D-28 Driver’s
seat belt switch
connector
0000
ZC500788
D-28 Driver’s seat belt
switch connector
0057
Disconnect driver’s seat belt switch connector D-28. Then check
continuity between the switch terminals.
52B-138
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
SRS AIR BAG DIAGNOSIS
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