2004 MITSUBISHI ENDEAVOR Service Repair Manual

radiator cap airbag off catalytic converter winter tires alternator ESP inoperative

Page 401 of 3870

MITSUBISHI ENDEAVOR 2004 Service Repair Manual step.
2. Erase, then retrieve DTCs. Turn ignition off. If DTC B1483 is retrieved, go to
next step. If DTC B1483 is not retrieved, an intermittent condition may exist.
3. Remove driver-side air ba

step.
2. Erase, then retrieve DTCs. Turn ignition off. If DTC B1483 is retrieved, go to
next step. If DTC B1483 is not retrieved, an intermittent condition may exist.
3. Remove driver-side air bag module. See DRIVER
-SIDE AIR BAG
MODULE & CLOCKSPRING
under REMOVAL & INSTALLATION.
Disconnect driver-side air bag module connector C-305. See Fig. 30
. Connect
Load Resistor (MB991865) to upper clockspring connector using Load
Resistor Adapter (MB991866). Insert load resistor adapter leads into terminals
No. 3 (Yellow/Green wire) and No. 4 (Yellow/Black wire) of connector C-305.
See Fig. 31
. Connect negative battery cable. Erase, then retrieve DTCs. If
DTC B1483 is retrieved, go to next step. If DTC B1483 is not retrieved,
replace driver-side air bag module. Go to step 7 .
4. Disconnect negative battery cable. Disconnect lower clockspring connector C-
307. Connect load resistor and load resistor adapter to terminals No. 11
(Yellow/Blue wire) and No. 12 (Yellow/Violet wire) on harness-side of
connector C-307. See Fig. 32
. Reconnect negative battery cable. Erase, then
retrieve DTCs. If DTC B1483 is retrieved, replace clockspring. Go to step 7 . I
f
DTC B1483 is not retrieved, go to next step.
5. Disconnect negative battery cable. Disconnect clockspring connector C-307.
Disconnect SRS ECU connector. Release SRS ECU connector shorting bar
using a cable tie. Measure resistance between ground and SRS ECU terminal
No. 33 (Yellow/Blue wire) and No. 34 (Yellow/Violet wire). See Fig. 33
. If
resistance is not infinite at both terminals, go to next step. If resistance is
infinite at both terminals, reconnect components. Erase, then retrieve DTCs. If
DTC B1483 is retrieved, replace SRS ECU. Go to step 7 .
6. Replace wire harness between SRS ECU and clockspring. Go to next step.
7. Reconnect all SRS components. Activate air bag system. Using scan tool,
retrieve DTCs. If DTC B1483 is retrieved, go to step 1 . If DTC B1401 is not
retrieved, system is normal at this time.
DTC B1484: DRIVER-SIDE AIR BAG MODULE ACTIVATION CIRCUIT SHORT 1. Connect scan tool to Data Link Connector (DLC). See INITIAL SRS
DIAGNOSTIC PROCEDURE
under DIAGNOSTICS. If scan tool is able to
dia
gnose CAN bus lines and CAN bus lines are satis
factor
y, go to next ste
p. If

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

Page 402 of 3870

MITSUBISHI ENDEAVOR 2004 Service Repair Manual 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)

Page 403 of 3870

MITSUBISHI ENDEAVOR 2004 Service Repair Manual 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

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

Page 404 of 3870

MITSUBISHI ENDEAVOR 2004 Service Repair Manual 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.
F

Page 405 of 3870

MITSUBISHI ENDEAVOR 2004 Service Repair Manual 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

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

Page 406 of 3870

MITSUBISHI ENDEAVOR 2004 Service Repair Manual appropriate DTC. See DIAGNOSTIC TROUBLE CODES (DTCS) IDENTIFICATION WITH SINGLE
-STAGE AIR BAG SYSTEM
table. If
DTC B1540, B1541, B1542, B1543, B1545 or B1546 is not retrieved, go to
next step.
4

appropriate DTC. See DIAGNOSTIC TROUBLE CODES (DTCS) IDENTIFICATION WITH SINGLE
-STAGE AIR BAG SYSTEM
table. If
DTC B1540, B1541, B1542, B1543, B1545 or B1546 is not retrieved, go to
next step.
4. Visually inspect PASSENGER AIR BAG OFF indicator connector C-37. See
Fig. 30
. If connector C-37 is connected correctly, go to next step. If connector
C-37 is not connected correctly, properly connect connector. Go to step 10 .
5. Disconnect connector C-37. Measure voltage between ground and connector
C-37, terminal No. 1 (Black/White wire). See Fig. 41
. 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-37 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 Blue/Yellow wire between connector C-37, terminal No. 3 and SRS
ECU connector C-26, terminal No. 21, 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. 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. 21. If PASSENGER AIR BAG OFF
warning light does not illuminate, replace PASSENGER AIR BAG OFF
warning light assembly. Go to next step. If PASSENGER AIR BAG OFF
warning light illuminates, erase, then retrieve DTCs. If DTC B1489 is
retrieved, replace SRS ECU. Go to next step.
10. Reconnect all SRS components. Activate air bag system. Using scan tool,
retrieve DTCs. If DTC B1489 is retrieved, go to step 1 . If DTC B1489 is not
retrieved, s
ystem is normal at this time.

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

Page 407 of 3870

MITSUBISHI ENDEAVOR 2004 Service Repair Manual Fig. 41: Identifying Connector C
-37 Terminals

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
DTC B1489: PASSENGER AIR BAG OFF INDICATOR LIGHT DOES NOT TURN OFF 1. Connect scan tool to Data Link Co

Page 408 of 3870

MITSUBISHI ENDEAVOR 2004 Service Repair Manual Fig. 33
& Fig. 41
. If wire is okay, erase, then retrieve DTCs. If DTC B1489 is
retrieved, replace SRS ECU. Go to next step. If wire is not okay, repair as
necessary. Go to next step.
6. Reconne

Fig. 33
& Fig. 41
. If wire is okay, erase, then retrieve DTCs. If DTC B1489 is
retrieved, replace SRS ECU. Go to next step. If wire is not okay, repair as
necessary. Go to next step.
6. Reconnect all SRS components. Activate air bag system. Using scan tool,
retrieve DTCs. If DTC B1489 is retrieved, go to step 1 . If DTC B1489 is not
retrieved, system is normal at this time.
DTC B1490: PASSENGER-SIDE AIR BAG MODULE SECOND-STAGE SHORT CIRCUIT 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 B1490 is retrieved, go to
next step. If DTC B1490 is not retrieved, an intermittent condition may exist.
3. Turn ignition on. If DTC B1519 is retrieved by scan tool, go to next step. If
DTC B1519 is not retrieved by scan tool, go to step 5 .
4. Inspect SRS ECU connector C-26. See SRS ELECTRONIC CONTROL
UNIT (SRS ECU)
under REMOVAL & INSTALLATION. See Fig. 30
. If
connectors are connected correctly, go to next step. If connectors are not
connected correctly, reconnect correctly. Go to step 9 .
5. Disconnect negative battery cable. Disconnect, then reconnect SRS ECU
connector C-26 and passenger-side air bag module C-09. Connect negative
battery cable. Using scan tool, erase, then retrieve DTCs. If DTC B1490 is
retrieved, go to next step. If DTC B1490 is not retrieved, intermittent condition
may have existed.
6. Disconnect negative battery cable. Disconnect passenger-side air bag module
connector C-09. See PASSENGER
-SIDE AIR BAG MODULE
under
REMOVAL & INSTALLATION. Connect Load Resistor (MB991865) to
Load Resistor Adapter (MB991866). Insert load resistor adapter leads into
harness-side terminals No. 3 (Yellow/Pink wire) and No. 4 (Yellow/Gray wire)
of connector C-09. See Fig. 35
. Connect negative battery cable. Erase, then
retrieve DTCs. If DTC B1490 is retrieved, go to next step. If DTC B1490 is
not retrieved, re
place
passen
ger-side air ba
g module.

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

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