2004 MITSUBISHI ENDEAVOR belt

DTC B1519 is not retrieved by scan tool, go to step 5 .
4. Inspect SRS ECU connector C-40. See SRS ELECTRONIC CONTROL UNIT (SRS ECU)
under REMOVAL & INSTALLATION. See Fig. 30
. If
connector is connected correctly, go to next step. If connector is not connected
correctly, reconnect correctly. Go to step 9 .
5. Disconnect negative battery cable. Disconnect, then reconnect SRS ECU
connector C-40 and driver seat belt pretensioner connector D-24. Connect
negative battery cable. Using scan tool, erase, then retrieve DTCs. If DTC
B1470 is retrieved, go to next step. If DTC B1470 is not retrieved, intermittent
condition may have existed.
6. Disconnect negative battery cable. Disconnect passenger seat belt pretensioner
connector D-24. See SEAT BELT PRETENSIONER
under REMOVAL &
INSTALLATION. Connect Load Resistor (MB991865) to Load Resistor
Adapter (MB991844). Connect load resistor adapter to driver seat belt
pretensioner connector D-24. Connect negative battery cable. Erase, then
retrieve DTCs. If DTC B1470 is retrieved, go to next step. If DTC B1470 is
not retrieved, replace driver seat belt pretensioner. Go to step 9 .
7. Disconnect negative battery cable. Remove load resistor and load resistor
adapter from driver seat belt pretensioner connector D-24. Disconnect SRS
ECU connector C-40. Release SRS ECU connector shorting bar using a cable
tie. Measure resistance between SRS ECU connector C-40, terminals No. 8
(Red/Yellow wire) and No. 7 (Red/Blue wire). See Fig. 33
. If continuity exits,
go to next step. If continuity does not exist, reconnect SRS components. Erase,
then retrieve DTCs. If DTC B1470 is retrieved, replace SRS ECU. Go to step
9 .
8. Replace wire harness between SRS ECU and driver seat belt pretensioner. Go
to next step.
9. Reconnect all SRS components. Activate air bag system. Using scan tool,
retrieve DTCs. If DTC B1470 is retrieved, go to step 1 . If DTC B1470 is not
retrieved, system is normal at this time.
DTC B1471: SEAT BELT PRETENSIONER (LH) OPEN CIRCUIT 1. Connect scan tool to Data Link Connector (DLC). See INITIAL SRS
DIAGNOSTIC PROCEDURE
under DIAGNOSTICS. If scan tool is able to

2004 Mitsubishi Endeavor Limited
2004 ACCESSORIES/SAFETY EQUIPMENT Mitsubishi - Air Bag Restraint Systems

diagnose CAN bus lines and CAN bus lines are satisfactory, go to next step. If
scan tool cannot diagnose CAN bus lines, repair CAN bus lines. Go to next
step.
2. Erase, then retrieve DTCs. Turn ignition off. If DTC B1471 is retrieved, go to
next step. If DTC B1471 is not retrieved, an intermittent condition may exist.
3. Disconnect negative battery cable. Disconnect driver seat belt pretensioner
connector D-24. See SEAT BELT PRETENSIONER
under REMOVAL &
INSTALLATION. See Fig. 30
. Connect Load Resistor (MB991865) to Load
Resistor Adapter (MB991844). Connect load resistor adapter to driver seat belt
pretensioner connector D-24. Connect negative battery cable. Erase, then
retrieve DTCs. If DTC B1471 is retrieved, go to next step. If DTC B1471 is
not retrieved, replace driver seat belt pretensioner connector. Go to step 6 .
4. Disconnect negative battery cable. Leaving load resistor adapter connected to
connector D-24, remove load resistor. Disconnect SRS ECU connector C-40.
Release SRS ECU connector shorting bar using a cable tie. Measure resistance
of Red/Yellow wire between SRS ECU C-40, connector terminal No. 8 and
driver seat belt pretensioner connector D-24, terminal No. 2. See Fig. 33
&
Fig. 38
. Measure resistance of Red/Blue wire between SRS ECU connector C-
40, terminal No. 7 and driver seat belt pretensioner connector D-24, terminal
No. 1. If resistance is less than 2 ohms in each wire, reconnect SRS
components. Erase, then retrieve DTCs. If DTC B1471 is retrieved, replace
SRS ECU. Go to step 6 . If resistance is more than 2 ohms in either wire, go to
next step.
5. Replace wire harness between SRS ECU and driver seat belt pretensioner. Go
to next step.
6. Reconnect all SRS components. Activate air bag system. Using scan tool,
retrieve DTCs. If DTC B1471 is retrieved, go to step 1 . If DTC B1471 is not
retrieved, system is normal at this time.
DTC B1472: SEAT BELT PRETENSIONER (LH) SHORT TO VOLTAGE 1. Connect scan tool to Data Link Connector (DLC). See INITIAL SRS
DIAGNOSTIC PROCEDURE
under DIAGNOSTICS. If scan tool is able to
diagnose CAN bus lines and CAN bus lines are satisfactory, go to next step. If
scan tool cannot dia
gnose CAN bus lines, re
pair CAN bus lines. Go to next

2004 Mitsubishi Endeavor Limited
2004 ACCESSORIES/SAFETY EQUIPMENT Mitsubishi - Air Bag Restraint Systems

step.
2. Erase, then retrieve DTCs. Turn ignition off. If DTC B1472 is retrieved, go to
next step. If DTC B1472 is not retrieved, an intermittent condition may exist.
3. Disconnect negative battery cable. Disconnect driver seat belt pretensioner
connector D-24. See SEAT BELT PRETENSIONER
under REMOVAL &
INSTALLATION. See Fig. 30
. Connect Load Resistor (MB991865) to Load
Resistor Adapter (MB991844). Connect load resistor adapter to driver seat belt
pretensioner connector D-24. Connect negative battery cable. Erase, then
retrieve DTCs. If DTC B1472 is retrieved, go to next step. If DTC B1472 is
not retrieved, replace driver seat belt pretensioner connector. Go to step 6 .
4. Remove load resistor and load resistor adapter from connector D-24.
Disconnect SRS ECU connector C-40 See SRS ELECTRONIC CONTROL
UNIT (SRS ECU)
under REMOVAL & INSTALLATION. Release SRS ECU
connector shorting bar using a cable tie. Measure voltage between ground and
SRS ECU connector C-40, connector terminal No. 8 (Red/Yellow wire). See
Fig. 33
. Measure voltage between ground and SRS ECU connector C-40,
terminal No. 7 (Red/Blue wire). If zero volt is measured at each terminal,
reconnect SRS components. Erase, then retrieve DTCs. If DTC B1472 is
retrieved, replace SRS ECU. Go to step 6 . If voltage is measured at either
terminal, go to next step.
5. Replace wire harness between SRS ECU and driver seat belt pretensioner. Go
to next step.
6. Reconnect all SRS components. Activate air bag system. Using scan tool,
retrieve DTCs. If DTC B1472 is retrieved, go to step 1 . If DTC B1472 is not
retrieved, system is normal at this time.
DTC B1473: SEAT BELT PRETENSIONER (LH) CIRCUIT SHORT TO GROUND 1. Connect scan tool to Data Link Connector (DLC). See INITIAL SRS
DIAGNOSTIC PROCEDURE
under DIAGNOSTICS. If scan tool is able to
diagnose CAN bus lines and CAN bus lines are satisfactory, go to next step. If
scan tool cannot diagnose CAN bus lines, repair CAN bus lines. Go to next
step.
2. Erase, then retrieve DTCs. Turn ignition off. If DTC B1473 is retrieved, go to
next ste
p. If DTC B1473 is not retrieved, an intermittent condition ma
y exist.

2004 Mitsubishi Endeavor Limited
2004 ACCESSORIES/SAFETY EQUIPMENT Mitsubishi - Air Bag Restraint Systems

3. Disconnect negative battery cable. Disconnect driver seat belt pretensioner
connector D-24. See SEAT BELT PRETENSIONER
under REMOVAL &
INSTALLATION. See Fig. 30
. Connect Load Resistor (MB991865) to Load
Resistor Adapter (MB991844). Connect load resistor adapter to driver seat belt
pretensioner connector D-24. Connect negative battery cable. Erase, then
retrieve DTCs. If DTC B1473 is retrieved, go to next step. If DTC B1473 is
not retrieved, replace driver seat belt pretensioner. Go to step 6 .
4. Disconnect negative battery cable. Remove load resistor and load resistor
adapter from connector D-24. Disconnect SRS ECU connector C-40. See SRS
ELECTRONIC CONTROL UNIT (SRS ECU)
under REMOVAL &
INSTALLATION. Release SRS ECU connector shorting bar using a cable tie.
Measure resistance between ground and SRS ECU connector C-40, terminal
No. 8 (Red/Yellow wire). See Fig. 33
. Measure resistance between ground and
SRS ECU connector C-40, terminal No. 7 (Red/Blue wire). If resistance is
infinite at both terminals, reconnect SRS components. Erase, then retrieve
DTCs. If DTC B1473 is retrieved, replace SRS ECU. Go to step 6 . If
resistance is not infinite at both terminals, go to next step.
5. Replace wire harness between SRS ECU and driver seat belt pretensioner. Go
to next step.
6. Reconnect all SRS components. Activate air bag system. Using scan tool,
retrieve DTCs. If DTC B1473 is retrieved, go to step 1 . If DTC B1473 is not
retrieved, system is normal at this time.
DTCB1474: SEAT BELT PRETENSIONER (LH) IGNITION DRIVE CIRCUIT SHORT DETECTED 1. Connect scan tool to Data Link Connector (DLC). See INITIAL SRS
DIAGNOSTIC PROCEDURE
under DIAGNOSTICS. If scan tool is able to
diagnose CAN bus lines and CAN bus lines are satisfactory, go to next step. If
scan tool cannot diagnose CAN bus lines, repair CAN bus lines. Go to next
step.
2. Erase, then retrieve DTCs. If DTC B1474 is retrieved, replace SRS ECU. See
SRS ELECTRONIC CONTROL UNIT (SRS ECU)
under REMOVAL &
INSTALLATION. If DTC B1474 is not retrieved, an intermittent condition
may exist.
DTCB1475: SEAT BELT PRETENSIONER
(LH
) IGNITION DRIVE CIRCUIT OPEN

2004 Mitsubishi Endeavor Limited
2004 ACCESSORIES/SAFETY EQUIPMENT Mitsubishi - Air Bag Restraint Systems

scan tool cannot diagnose CAN bus lines, repair CAN bus lines. Go to next
step.
2. Erase, then retrieve DTCs. If DTC B1484 is retrieved, replace SRS ECU. See
SRS ELECTRONIC CONTROL UNIT (SRS ECU)
under REMOVAL &
INSTALLATION. If DTC B1484 is not retrieved, an intermittent condition
may exist.
DTC B1485: DRIVER-SIDE AIR BAG MODULE ACTIVATION CIRCUIT OPEN 1. Connect scan tool to Data Link Connector (DLC). See INITIAL SRS
DIAGNOSTIC PROCEDURE
under DIAGNOSTICS. If scan tool is able to
diagnose CAN bus lines and CAN bus lines are satisfactory, go to next step. If
scan tool cannot diagnose CAN bus lines, repair CAN bus lines. Go to next
step.
2. Erase, then retrieve DTCs. If DTC B1485 is retrieved, replace SRS ECU. See
SRS ELECTRONIC CONTROL UNIT (SRS ECU)
under REMOVAL &
INSTALLATION. If DTC B1485 is not retrieved, an intermittent condition
may exist.
DTC B1486: PASSENGER SEAT BELT WARNING LIGHT MALFUNCTION 1. Connect scan tool to Data Link Connector (DLC). See INITIAL SRS
DIAGNOSTIC PROCEDURE
under DIAGNOSTICS. If scan tool is able to
diagnose CAN bus lines and CAN bus lines are satisfactory, go to next step. If
scan tool cannot diagnose CAN bus lines, repair CAN bus lines. Go to next
step.
2. Erase, then retrieve DTCs. Turn ignition off. If DTC B1486 is retrieved, go to
DTC B1487: PASSENGER SEAT BELT WARNING LIGHT DOES NOT
ILLUMINATE
. If DTC B1486 is not retrieved, an intermittent condition may
exist.
DTC B1487: PASSENGER SEAT BELT WARNING LIGHT DOES NOT ILLUMINATE 1. Connect scan tool to Data Link Connector (DLC). See INITIAL SRS
DIAGNOSTIC PROCEDURE
under DIAGNOSTICS. If scan tool is able to
diagnose CAN bus lines and CAN bus lines are satisfactory, go to next step. If
scan tool cannot dia
gnose CAN bus lines, re
pair CAN bus lines. Go to next

2004 Mitsubishi Endeavor Limited
2004 ACCESSORIES/SAFETY EQUIPMENT Mitsubishi - Air Bag Restraint Systems

step.
2. Erase, then retrieve DTCs. Turn ignition off. If DTCs are retrieved, go to next
step. If DTCs are not retrieved, an intermittent condition may exist.
3. If DTC B1530, B1531, B1532, B1533, B1534, B1535, B1536, B1537, B1538,
B1539, B1540, B1541, B1542, B1543, B1545 or B1546 is retrieved, diagnose
appropriate DTC. See DIAGNOSTIC TROUBLE CODES (DTCS) IDENTIFICATION WITH SINGLE
-STAGE AIR BAG SYSTEM
table. If
DTC B1530, B1531, B1532, B1533, B1534, B1535, B1536, B1537, B1538,
B1539, B1540, B1541, B1542, B1543, B1545 or B1546 is not retrieved, go to
next step.
4. Visually inspect passenger seat belt warning light connector C-38. See Fig. 30
.
If connector C-38 is connected correctly, go to next step. If connector C-38 is
not connected correctly, properly connect connector. Go to step 10 .
5. Disconnect connector C-38. Measure voltage between ground and connector
C-38, terminal No. 1 (Black/White wire). See Fig. 40
. If voltage is not about
12 volts, go to next step. If voltage is about 12 volts, go to step 7 .
6. Inspect Black/White wire between terminal No. 1 of connector C-38 and
terminal No. 2 of ignition switch connector C-308, including junction block
connectors C-211 and C-215. See Fig. 22
. If wire is okay, go to next step. If
wire is not okay, repair as necessary. See WIRE REPAIR
. Go to step 10 .
7. Inspect SRS ECU connector C-26. See SRS ELECTRONIC CONTROL
UNIT (SRS ECU)
under REMOVAL & INSTALLATION. If SRS ECU
connector C-26 is connected correctly, go to next step. If SRS ECU connector
C-26 is not connected correctly, properly connect connector. Go to step 10 .
8. Check Pink wire between connector C-07, terminal No. 3 and SRS ECU
connector C-26, terminal No. 42, for damage, shorts or open circuits. See Fig.
33 . If wire is okay, go to next step. If wire is not okay, repair as necessary. See
WIRE REPAIR
. Go to step 10 .
9. Disconnect negative battery cable. Disconnect SRS ECU connector C-26.
Connect negative battery cable. Connect a jumper wire between ground and
SRS ECU connector C-26, terminal No. 42. If passenger seat belt warning light
does not illuminate, replace passenger seat belt warning light assembly. Go to
next step. If passenger seat belt warning light illuminates, erase, then retrieve
DTCs. If DTC B1487 is retrieved, re
place SRS ECU. Go to next ste
p.

2004 Mitsubishi Endeavor Limited
2004 ACCESSORIES/SAFETY EQUIPMENT Mitsubishi - Air Bag Restraint Systems

10. Reconnect all SRS components. Activate air bag system. Using scan tool,
retrieve DTCs. If DTC B1486 is retrieved, go to step 1 . If DTC B1486 is not
retrieved, system is normal at this time.
Fig. 40: Identifying Connector C
-38 Terminals

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
DTC B1487: PASSENGER SEAT BELT WARNING LIGHT DOES NOT TURN OFF 1. Connect scan tool to Data Link Connector (DLC). See INITIAL SRS
DIAGNOSTIC PROCEDURE
under DIAGNOSTICS. If scan tool is able to
diagnose CAN bus lines and CAN bus lines are satisfactory, go to next step. If
scan tool cannot diagnose CAN bus lines, repair CAN bus lines. Go to next
step.
2. Erase, then retrieve DTCs. Turn ignition off. If DTCs are retrieved, go to next
step. If DTCs are not retrieved, an intermittent condition may exist.
3. If DTC B1530, B1531, B1532, B1533, B1534, B1535, B1536, B1537, B1538,
B1539, B1540, B1541, B1542, B1543, B1545 or B1546 is retrieved, diagnose
appropriate DTC. See DIAGNOSTIC TROUBLE CODES (DTCS)
IDENTIFICATION WITH SINGLE
-STAGE AIR BAG SYSTEM
table. If
DTC B1530, B1531, B1532, B1533, B1534, B1535, B1536, B1537, B1538,
B1539, B1540, B1541, B1542, B1543, B1545 or B1546 is not retrieved, go to
next step.
4. Using scan tool, request ACTUATOR TEST ITEM No. 02: PASSENGER
SEAT BELT WARNING LIGHT ILLUMINATION. If PASSENGER SEAT

2004 Mitsubishi Endeavor Limited
2004 ACCESSORIES/SAFETY EQUIPMENT Mitsubishi - Air Bag Restraint Systems

BELT warning light comes on and goes off after 7 seconds, go to next step. If
PASSENGER SEAT BELT warning light does not come on and go off after 7
seconds, replace passenger seat belt warning light. Go to step 6 .
5. Inspect Pink wire between connector C-38, terminal No. 3 and SRS ECU
connector C-26, terminal No. 42, for an open circuit. See Fig. 30
. If an open
circuit is not found, reconnect SRS components. Erase, then retrieve DTCs. If
DTC B1487 is retrieved, replace SRS ECU. See SRS ELECTRONIC
CONTROL UNIT (SRS ECU)
under REMOVAL & INSTALLATION. Go
to next step. If an open circuit is found, repair wire as necessary. See WIRE
REPAIR
. Go to next step.
6. Reconnect all SRS components. Activate air bag system. Using scan tool,
retrieve DTCs. If DTC B1487 is retrieved, go to step 1 . If DTC B1487 is not
retrieved, system is normal at this time.
DTC B1488: PASSENGER AIR BAG OFF INDICATOR CIRCUIT MALFUNCTION 1. Connect scan tool to Data Link Connector (DLC). See INITIAL SRS
DIAGNOSTIC PROCEDURE
under DIAGNOSTICS. If scan tool is able to
diagnose CAN bus lines and CAN bus lines are satisfactory, go to next step. If
scan tool cannot diagnose CAN bus lines, repair CAN bus lines. Go to next
step.
2. Erase, then retrieve DTCs. If DTC B1488 is retrieved, go to DTC B1489:
PASSENGER AIR BAG OFF INDICATOR LIGHT DOES NOT ILLUMINATE
. If DTC B1488 is not retrieved, an intermittent condition may
exist.
DTC B1489: PASSENGER AIR BAG OFF INDICATOR LIGHT DOES NOT ILLUMINATE 1. Connect scan tool to Data Link Connector (DLC). See INITIAL SRS
DIAGNOSTIC PROCEDURE
under DIAGNOSTICS. If scan tool is able to
diagnose CAN bus lines and CAN bus lines are satisfactory, go to next step. If
scan tool cannot diagnose CAN bus lines, repair CAN bus lines. Go to next
step.
2. Erase, then retrieve DTCs. Turn ignition off. If DTCs are retrieved, go to next
step. If DTCs are not retrieved, an intermittent condition may exist.
3. If DTC B1540, B1541, B1542, B1543, B1545 or B1546 is retrieved, dia
gnose

2004 Mitsubishi Endeavor Limited
2004 ACCESSORIES/SAFETY EQUIPMENT Mitsubishi - Air Bag Restraint Systems