2004 MITSUBISHI ENDEAVOR ECU

3. Reconnect all SRS components. Activate air bag system. Using scan tool, erase
then retrieve DTCs. If DTC 65 is retrieved, go to step 1 . If DTC 65 is not
retrieved, system is normal at this time. Intermittent condition may exist. DTC 66: DRIVER-SIDE SEAT BELT PRETENSIONER SHORT TO VOLTAGE 1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. Disable air
bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM
. Go
to next step.
2. Disconnect driver-side seat belt pretensioner connector D-24. See SEAT
BELT PRETENSIONER
under REMOVAL & INSTALLATION. See Fig.
19 . Connect Load Resistor (MB991865) to Load Resistor Harness
(MB991884). Connect load resistor harness to connector D-24. Connect
negative battery cable. Using scan tool, erase then retrieve DTCs. If DTC 66 is
retrieved, go to next step. If DTC 66 is not retrieved, replace driver-side seat
belt pretensioner. Go to step 4 .
3. Turn ignition off. Disconnect SRS ECU connector C-25. See SRS ELECTRONIC CONTROL UNIT (SRS ECU)
under REMOVAL &
INSTALLATION. Remove load resistor harness from driver-side seat belt
pretensioner connector D-24. Turn ignition on. Measure voltage between
ground and SRS ECU connector C-25, terminal No. 29 (Red/Blue wire) and
No. 30 (Red/Yellow wire). If voltage is measured at either terminal, replace
wire harness between SRS ECU and seat belt pretensioner. Go to next step. If
voltage is not measured at either terminal, reconnect SRS components. Using
scan tool, erase then retrieve DTCs. If DTC 66 is retrieved, replace SRS ECU.
Go to next step.
4. Reconnect all SRS components. Using scan tool, check for DTCs. If DTC 66 is
retrieved, go to step 1 . If DTC 66 is not retrieved, system is normal at this
time. Intermittent condition may exist.
DTC 67: DRIVER-SIDE SEAT BELT PRETENSIONER SHORT TO GROUND 1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. Disable air
bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM
. Go
to next step.
2. Disconnect drive
r-side seat belt
pretensioner connector D-24. See SEAT

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

BELT PRETENSIONE
R under REMOVAL & INSTALLATION. See Fig.
18 . Connect Load Resistor (MB991866) to Load Resistor Harness
(MB991884). Connect Load Resistor Harness to connector D-24. Connect
negative battery cable. Using scan tool, erase then retrieve DTCs. If DTC 67 is
retrieved, go to next step. If DTC 67 is not retrieved, replace driver-side seat
belt pretensioner. Go to step 4 .
3. Disconnect SRS ECU connector C-25. See SRS ELECTRONIC CONTROL UNIT (SRS ECU)
under REMOVAL & INSTALLATION. Remove load
resistor harness from driver-side seat belt pretensioner connector D-24.
Measure continuity between ground and SRS ECU connector C-25, terminal
No. 29 (Red/Blue wire) and No. 30 (Red/Yellow wire). If continuity is not
found in either circuit, erase then retrieve DTCs. If DTC 67 is retrieved,
replace SRS ECU. Go to next step. If continuity is found in either circuit,
replace wire harness between SRS ECU and driver-side seat belt pretensioner.
Go to next step.
4. Reconnect all SRS components. Using scan tool, check for DTCs. If DTC 67 is
retrieved, go to step 1 . If DTC 67 is not retrieved, system is normal at this
time. Intermittent condition may exist.
DTC 68: PASSENGER-SIDE SEAT BELT PRETENSIONER SHORT TO VOLTAGE 1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. Disable air
bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM
. Go
to next step.
2. Disconnect passenger-side seat belt pretensioner connector D-32. See SEAT
BELT PRETENSIONER
under REMOVAL & INSTALLATION. See Fig.
16 . Connect Load Resistor (MB991865) to Load Resistor Harness
(MB991884). Connect load resistor harness to connector D-32. Connect
negative battery cable. Using scan tool, erase then retrieve DTCs. If DTC 68 is
retrieved, go to next step. If DTC 68 is not retrieved, replace passenger-side
seat belt pretensioner. Go to step 4 .
3. Disconnect SRS ECU connector C-25. See SRS ELECTRONIC CONTROL UNIT (SRS ECU)
under REMOVAL & INSTALLATION. Remove load
resistor harness from connector D-32. Turn ignition on. Measure voltage
between ground and SRS ECU connector
C-25, terminal No. 27 (Red wire)

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

and No. 28 (Red/White wire). If voltage is measured at one or both terminals,
replace wire harness between SRS ECU and passenger-side seat belt
pretensioner. Go to next step. If voltage not measured at both terminals,
reconnect SRS components. Using scan tool, erase then retrieve DTCs. If DTC
68 is retrieved, replace SRS ECU. Go to next step.
4. Reconnect all SRS components. Using scan tool, check for DTCs. If DTC 68 is
retrieved, go to step 1 . If DTC 68 is not retrieved, system is normal at this
time. Intermittent condition may exist.
DTC 69: PASSENGER-SIDE SEAT BELT PRETENSIONER SHORT TO GROUND 1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. Disable air
bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM
. Go
to next step.
2. Disconnect passenger-side seat belt pretensioner connector D-32. See SEAT
BELT PRETENSIONER
under REMOVAL & INSTALLATION. See Fig.
19 . Connect Load Resistor (MB991865) to Load Resistor Harness
(MB991884). Connect load resistor harness to connector D-32. Connect
negative battery cable. Using scan tool, erase then retrieve DTCs. If DTC 69 is
retrieved, go to next step. If DTC 69 is not retrieved, replace passenger-side
seat belt pretensioner. Go to step 4 .
3. Disconnect SRS ECU connector C-25. See SRS ELECTRONIC CONTROL UNIT (SRS ECU)
under REMOVAL & INSTALLATION. Remove load
resistor harness from connector D-32. Check for continuity between ground
and SRS ECU connector C-25, terminal No. 27 (Red wire) and No. 28
(Red/White wire). If continuity does not exist in either circuit, erase, then
retrieve DTCs. If DTC 69 is retrieved, replace SRS ECU. Go to step 4 . If
continuity exists in one or both circuits, replace wire harness between SRS
ECU and passenger-side seat belt pretensioner. Go to next step.
4. Reconnect all SRS components. Using scan tool, check for DTCs. If DTC 69 is
retrieved, go to step 1 . If DTC 69 is not retrieved, system is normal at this
time. Intermittent condition may exist.
DTC 71: PASSENGER SIDE IMPACT AIR BAG MODULE SHORT CIRCUIT 1. Before
proceedin
g, see AIR BAG SAFETY PRECAUTIONS
. If DTC 34 is

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

retrieved, go to next step. If DTC 34 is not retrieved, go to step 3 .
2. Inspect ECU SRS connector C-25. See SRS ELECTRONIC CONTROL UNIT (SRS ECU)
under REMOVAL & INSTALLATION. See Fig. 19
. If
connector is not connected properly, connect properly and go to step 7 . If
connector is connected properly, go to next step.
3. Disconnect negative battery cable. Disconnect SRS ECU connector C-25 and
passenger side impact air bag module connector D-31. See SIDE IMPACT
AIR BAG MODULE
under REMOVAL & INSTALLATION. Reconnect
both connectors. Connect negative battery cable. Using scan tool, erase then
retrieve DTCs. If DTC 71 is retrieved, go to next step. If DTC 71 is not
retrieved, system is normal at this time.
4. Disconnect passenger side impact air bag module connector D-31. Connect
Load Resistor (MB991865) to Load Resistor Harness (MB991866). Connect
Load Resistor Harness to connector D-31 by backprobing connector. Connect
negative battery cable. Using scan tool, erase then retrieve DTCs. If DTC 71 is
retrieved, go to next step. If DTC 71 is not retrieved, replace passenger side
impact air bag module. Go to step 7 .
5. Disconnect SRS ECU connector C-25 and passenger side impact air bag
module connector D-31. Insert a cable tie or similar insulator between terminal
No. 23 (Yellow/Black wire) and No. 24 (Yellow wire) of SRS ECU connector
to release shorting bar. See Fig. 21
. Check for continuity between terminal No.
23 and 24. If continuity exists between terminals, replace wire harness between
SRS ECU and passenger side impact air bag module. Go to next step. If
continuity does not exist, erase, then retrieve DTCs. If DTC 71 is retrieved,
replace SRS ECU. Go to step 7 .
6. Check continuity of Yellow/Black wire between SRS ECU connector C-25,
terminal No. 23 and passenger side impact air bag module connector D-31,
terminal No. 1. See Fig. 28
. Check continuity of Yellow wire between SRS
ECU connector C-25, terminal No. 24 and passenger side impact air bag
module connector D-31, terminal No. 2. If continuity exists in both wires, go to
next step. If continuity does not exist in both wires, replace wire harness
between SRS ECU and passenger side impact air bag module. Go to next step.
7. Reconnect all SRS components. Activate air bag system. Using scan tool, erase
then retrieve DTCs. If DTC 71 is retrieved,
go to ste
p 1 . If DTC 71 is not

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

retrieved, system is normal at this time. Intermittent condition may exist.
Fig. 28: Identifying Connector D
-26 & D
-31 Terminals

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
DTC 72: PASSENGER SIDE IMPACT AIR BAG MODULE OPEN CIRCUIT 1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. Disconnect
negative battery cable. Disconnect passenger side impact air bag module
connector D-31. See SIDE IMPACT AIR BAG MODULE
under
REMOVAL & INSTALLATION. See Fig. 19
. Connect Load Resistor
(MB991865) to Load Resistor Harness (MB991866). Connect load resistor
harness to connector D-31 by backprobing connector. Connect negative battery
cable. Using scan tool, erase then retrieve DTCs. If DTC 72 is retrieved, go to
next step. If DTC 72 is not retrieved, replace passenger side impact air bag
module. Go to next step.
2. Disconnect SRS ECU connector C-25 and passenger side impact air bag
module connector D-31. See SRS ELECTRONIC CONTROL UNIT (SRS
ECU)
under REMOVAL & INSTALLATION. Check continuity of
Yellow/Black wire between SRS ECU connector C-25, terminal No. 23 and
side impact air bag module connector D-31, terminal No. 2. See Fig. 28
.
Check continuity of Yellow wire between SRS ECU connector C-25, terminal
No. 24 and side impact connector D-31, terminal No. 1. If continuity exists in

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

both wires, go to next step. If continuity does not exist in both wires, replace
wire harness between SRS ECU and side impact air bag module. Go to next
step.
3. Reconnect all SRS components. Activate air bag system. Using scan tool, erase
then retrieve DTCs. If DTC 72 is retrieved, go to step 1 . If DTC 72 is not
retrieved, system is normal at this time. Intermittent condition may exist.
DTC 73 & 74: PASSENGER SIDE IMPACT AIR BAG MODULE If DTC 73 or 74 is present, replace SRS ECU. See SRS ELECTRONIC CONTROL UNIT (SRS ECU)
under REMOVAL & INSTALLATION.
DTC 75: PASSENGER SIDE IMPACT AIR BAG MODULE SHORT TO VOLTAGE 1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. Disable air
bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM
.
Disconnect passenger side impact air bag module connector D-31. See SIDE
IMPACT AIR BAG MODULE
under REMOVAL & INSTALLATION. See
Fig. 19
. Connect Load Resistor (MB991865) to Load Resistor Harness
(MB991866). Connect load resistor harness to connector D-31 by backprobing
connector. Connect negative battery cable. Using scan tool, erase then retrieve
DTCs. If DTC 75 is retrieved, go to next step. If DTC 75 is not retrieved,
replace passenger side impact air bag module. Go to step 3 .
2. Disconnect SRS ECU connector C-25 and passenger side impact air bag
module connector D-31. See SRS ELECTRONIC CONTROL UNIT (SRS
ECU)
under REMOVAL & INSTALLATION. Turn ignition on. Check for
voltage between ground and connector C-25, terminals No. 23 (Yellow/Black
wire) and No. 24 (Yellow wire). If voltage is measured at either connector,
replace wire harness between SRS ECU and passenger side impact air bag
module. Go to next step. If voltage is not measured, erase, then retrieve DTCs.
If DTC 75 is retrieved, replace SRS ECU. Go to next step.
3. Reconnect all SRS components. Activate air bag system. Using scan tool, erase
then retrieve DTCs. If DTC 75 is retrieved, go to step 1 . If DTC 75 is not
retrieved, system is normal at this time. Intermittent condition may exist.
DTC 76: PASSENGER SIDE IMPACT AIR BAG MODULE SHORT TO GROUND
2004 Mitsubishi Endeavor Limited
2004 ACCESSORIES/SAFETY EQUIPMENT Mitsubishi - Air Bag Restraint Systems

1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. Disable air
bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM
. Go
to next step.
2. Disconnect SRS ECU connector C-25 and passenger side impact air bag
module connector D-31. See SRS ELECTRONIC CONTROL UNIT (SRS
ECU)
and SIDE IMPACT AIR BAG MODULE
under REMOVAL &
INSTALLATION. See Fig. 19
. Check for continuity between ground and
connector C-25, terminal No. 23 (Yellow/Black wire) and No. 24 (Yellow
wire). If continuity is found in either wire, replace wire harness between SRS
ECU and passenger side impact air bag module. Go to next step. If continuity
does not exist, erase, then retrieve DTCs. If DTC 76 is retrieved, replace SRS
ECU. Go to next step.
3. Reconnect all SRS components. Activate air bag system. Using scan tool, erase
then retrieve DTCs. If DTC 76 is retrieved, go to step 1 . If DTC 76 is not
retrieved, system is normal at this time. Intermittent condition may exist.
DTC 79 & 93: DRIVER SIDE IMPACT AIR BAG MODULE SENSOR COMMUNICATION CIRCUIT 1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. Disable air
bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM
. Go
to next step.
2. Replace driver side impact sensor with passenger side impact sensor. See
SIDE IMPACT SENSOR
under REMOVAL & INSTALLATION. Connect
negative battery cable. Using scan tool, erase then retrieve DTCs. If DTCs 79
or 93 are erased and DTCs 89 or 96 are retrieved, replace driver side impact
sensor. Go to step 4 . If DTC 79 or 93 are not erased and DTC 89 or 96 are not
retrieved, go to next step.
3. Check wire harness between SRS ECU connector C-25 and driver side impact
sensor connector D-23. See Fig. 19
. Replace wire harness, if damaged. Go to
next step. If wire harness is okay, go to next step.
4. Using scan tool, retrieve DTCs. If DTC 79 or 93 is retrieved, go to step 1 . If
DTC 79 or 93 is not retrieved, system is normal at this time. Intermittent
condition may exist.
DTC 81: DRIVER SIDE IMPACT AIR BAG MODULE SHORT CIRCUIT
2004 Mitsubishi Endeavor Limited
2004 ACCESSORIES/SAFETY EQUIPMENT Mitsubishi - Air Bag Restraint Systems

1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. If DTC 34 is
retrieved, go to next step. If DTC 34 is not retrieved, go to step 3 .
2. Inspect ECU SRS connector C-25. See SRS ELECTRONIC CONTROL
UNIT (SRS ECU)
under REMOVAL & INSTALLATION. See Fig. 19
. If
connector is not connected properly, connect properly. Go to step 6 . If
connector is connected properly, go to next step.
3. Disconnect negative battery cable. Disconnect SRS ECU connector C-25 and
driver side impact air bag module connector D-26. See SIDE IMPACT AIR
BAG MODULE
under REMOVAL & INSTALLATION. Reconnect both
connectors. Connect negative battery cable. Using scan tool, erase then retrieve
DTCs. If DTC 81 is retrieved, go to next step. If DTC 81 is not retrieved,
system is normal at this time.
4. Disconnect driver side impact air bag module connector D-26. Connect Load
Resistor (MB991865) to Load Resistor Harness (MB991866). Connect load
resistor harness to connector D-26 by backprobing connector. Connect
negative battery cable. Using scan tool, erase then retrieve DTCs. If DTC 81 is
retrieved, go to next step. If DTC 81 is not retrieved, replace driver side impact
air bag module. Go to step 6 .
5. Disconnect SRS ECU connector C-25 and driver side impact air bag module
connector D-26. Insert a cable tie or similar insulator between terminal No. 21
(Yellow/Green wire) and No. 22 (Yellow/Red wire) of SRS ECU connector to
release shorting bar. See Fig. 21
. Check for continuity between terminals No.
21 and 22. If continuity is found, replace wire harness between SRS ECU and
driver side impact air bag module. Go to next step. If continuity is not found,
erase then retrieve DTCs. If DTC 81 is retrieved, replace SRS ECU. Go to next
step.
6. Reconnect all SRS components. Activate air bag system. Using scan tool, erase
then retrieve DTCs. If DTC 81 is retrieved, go to step 1 . If DTC 81 is not
retrieved, system is normal at this time. Intermittent condition may exist.
DTC 82: DRIVER SIDE IMPACT AIR BAG MODULE OPEN CIRCUIT 1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. Disconnect
negative battery cable. Disconnect driver side impact air bag module connector
D-26. See SIDE IMPACT AIR BAG MODULE
under REMOVAL &

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