Mitsubishi Outlander XL. Manual — part 930
ZC6018230000
Seat belt
pre-tensioner
Floor wiring harness side
connector (2-pin, black)
Locking
button
Flat-tipped
screwdriver
(2)
Disconnect passenger's seat belt pre-tensioner connector
D-130. Use a flat-tipped screwdriver to unlock the locking
button at the harness side connector by withdrawing it toward
you in two stages, and then disconnect the connector.
ZC600214
Harness side
connector
MB991865
(Dummy resistor: 3
)
MB991884
(Resistor harness)
0000
(3)
Connect special tool MB991865 to special tool MB991884.
(4)
Connect special tool MB991884 to the D-130 harness side
connector.
(5)
Connect the negative battery terminal.
(6)
Erase diagnostic trouble code memory, and then check the
diagnostic trouble code.
Q:Is DTC B1C4A set?
YES:
Go to Step 5.
NO:
Replace the passenger's seat belt with pre-tensioner
(Refer to P.52B-345). Then go to Step 7.
STEP 5. Check the passenger's seat belt pre-tensioner
circuit. Measure the resistance at the SRS-ECU connector
C-27.
(1)
Disconnect SRS-ECU connector C-27.
ZC6018230000
Seat belt
pre-tensioner
Floor wiring harness side
connector (2-pin, black)
Locking
button
Flat-tipped
screwdriver
To prevent the seat belt pre-tensioner from deploying
unintentionally, disconnect the passenger’s seat belt pre-
tensioner connector D-130 to short the squib circuit.
(2)
Disconnect passenger's seat belt pre-tensioner connector
D-130. Use a flat-tipped screwdriver to unlock the locking
button at the harness side connector by withdrawing it toward
you in two stages, and then disconnect the connector.
ZC6021620006
A
A
C-27 Harness side
connector (front view)
Section
A - A
Cable tie
Short spring
4 mm or more
Terminal
Insert an insulator such as a cable tie to a depth of 4mm
(0.16 inch) or more, otherwise the short spring will not be
released.
(3)
Insert a cable tie [3 mm (0.12 inch) wide, 0.5 mm (0.02 inch)
thick] between terminals 43, 44 and the short spring to
release the short spring.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-251
SRS AIR BAG DIAGNOSIS
ZC5007880047
C-27 Harness side
connector (front view)
Do not insert a test probe into the terminal from its front side
directly, as the connector contact pressure may be
weakened.
(4)
Check for continuity between C-27 harness side connector
terminals 43 and 44.
It should be an open circuit.
Q:Does continuity exist?
YES:
Go to Step 6.
NO:
Erase the diagnostic trouble code memory, and check
diagnostic trouble code. If DTC B1C4A set, replace the
SRS-ECU (Refer to P.52B-326). Then go to Step 7.
STEP 6. Check the harness for short circuit between SRS-
ECU connector C-27 (terminal No.43 and 44) and
passenger’s seat belt pre-tensioner connector D-130
(terminal No.2 and 1).
Q:Are harness wires between SRS-ECU connector C-27
(terminal No.43 and 44) connector and passenger’s seat
belt pre-tensioner connector D-130 (terminal No.2 and 1)
in good condition?
YES:
Go to Step 7.
NO:
Replace the harness wires between SRS-ECU connector
C-27 and passenger’s seat belt pre-tensioner connector
D-130. Then go to Step 7.
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 B1C4A set?
YES:
Return to Step 1.
NO:
The procedure is complete.
52B-252
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
SRS AIR BAG DIAGNOSIS
DTC B210D: Battery Abnormal Low Voltage
M15204000970USA0000010000
ETACS-
ECU
FUSIBLE
LINK
34
IGNITION
SWITCH (IG1)
IG1
RELAY
SRS-ECU
POWER
SUPPLY
IG1 Power Supply Circuit
ZC600876
Connector: C-27
C-27 (Y)
0025
ZC6008780018
Connector: C-313
C-313 (BR)
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
52B-253
SRS AIR BAG DIAGNOSIS
If the diagnostic trouble code B210D is set in the
SRS-ECU, always diagnose the CAN main bus
line.
CIRCUIT OPERATION
⦆
The SRS-ECU is powered from the ignition switch
(IG1).
⦆
The SRS-ECU power is supplied from two circuits.
Even if one circuit is shut off, the air bag can inflate.
DTC SET CONDITIONS
This DTC is set if the voltage between the IG1
terminals (fuse No.12 circuit or fuse No.18 circuit) and
ground is lower than a predetermined value for a
continuous period of five second or more.
TROUBLESHOOTING HINTS
⦆
Battery voltage drop
⦆
Open circuit to power supply circuit
⦆
Damaged wiring harnesses or connectors
⦆
Malfunction of the SRS-ECU
DIAGNOSIS
Required Special Tools:
⦆
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. Battery voltage check
Check the battery voltage.
Q:Is the check result normal?
YES:
Go to Step 2.
NO:
Charge or replace the battery.
52B-254
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
SRS AIR BAG DIAGNOSIS
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