2004 MITSUBISHI ENDEAVOR electrical

Fig. 10: Identifying Passenger
-side Air Bag Module (Dual
-stage Air Bag
System)

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
SEAT BELT PRETENSIONER (DUAL STAGE AIR BAG SYSTEM) Removal & Installation (Single Stage AIR Bag System) 1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. Disable air
bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM
.
2. Remove appropriate upper anchor bolt cover. See Fig. 11
. Remove upper
anchor bolt. Remove lower anchor bolt. Remove lower B-pillar trim panel.
Disconnect seat belt pretensioner electrical connector. Remove seat belt
pretensioner retaining bolt. Remove seat belt pretensioner.
3. To install, reverse removal procedure. Tighten seat belt pretensioner anchor
bolts to specification. See TORQUE SPECIFICATIONS . Activate air bag
s
ystem.

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

Fig. 11: Identifying Seat Belt Pretensioner (Single
-stage Air Bag System
Shown; Dual
-stage System Is Similar)

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Removal & Installation (Dual Stage AIR Bag System) 1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. Disable air
bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM
.
2. Remove appropriate upper seat belt pretensioner anchor bolt cover. See Fig.
11 . Remove upper anchor bolt. For driver-side seat belt pretensioner, remove
lower anchor bolt. For passenger-side seat belt pretensioner, remove passenger
seat slide adjuster rear cover. See Fig. 12
. Remove seat belt pretensioner
anchor bolt. Remove lower B-pillar trim panel. Disconnect seat belt
pretensioner electrical connector. Remove seat belt pretensioner retaining bolt.
Remove seat belt pretensioner.
3. To install, reverse removal procedure. If passenger-side seat belt pretensioner
was replaced, perform occupant classification system calibration procedure.

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

3. To install, reverse removal procedure. Tighten front seat nuts and bolts to
specification. See TORQUE SPECIFICATIONS
. Activate air bag system.
SIDE IMPACT SENSOR Removal & Installation 1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. Disable air
bag system. See DISABLING & ACTIVATING AIR BAG SYSTEM
.
2. Remove appropriate B-pillar trim panel. Remove seat belt pretensioner. See
SEAT BELT PRETENSIONER
. Remove side impact sensor nuts. See Fig.
14 . Disconnect side impact sensor electrical connector. Remove side impact
sensor.
3. To install, reverse removal procedure. Tighten side impact sensor nuts and seat
belt pretensioner anchor bolts to specification. See TORQUE SPECIFICATIONS
. Activate air bag system.
Fig. 14: Identifying Side Impact Sensor

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
SRS ELECTRONIC CONTROL UNIT (SRS ECU)
2004 Mitsubishi Endeavor Limited
2004 ACCESSORIES/SAFETY EQUIPMENT Mitsubishi - Air Bag Restraint Systems

ohms in each wire, go to next step. If resistance is more than 2 ohms in either
wire, replace wire harness. Go to next step.
4. Reconnect all SRS components. Activate air bag system. Using scan tool, erase
then retrieve DTCs. If DTC 25 is retrieved, go to step 1 . If DTC 25 is not
retrieved, system is normal at this time. Intermittent condition may exist.
DTC 26: DRIVER-SIDE SEAT BELT PRETENSIONER SHORT CIRCUIT 1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. Disable SRS.
See DISABLING & ACTIVATING AIR BAG SYSTEM
. If DTC 34 is
retrieved, go to next step. If DTC 34 is not retrieved, go to step 3 .
2. Inspect SRS ECU connector C-25. See SRS ELECTRONIC CONTROL
UNIT (SRS ECU)
under REMOVAL & INSTALLATION. See Fig. 19
. If
connector is connected properly, go to next step. If connector is not connected
properly, connect properly and go to step 7 .
3. Disconnect negative battery cable. Disconnect, then reconnect SRS ECU
connector C-25 and driver-side seat belt pretensioner connector D-24. See
SEAT BELT PRETENSIONER
under REMOVAL & INSTALLATION.
Connect negative battery cable. Using scan tool, check for DTCs. If DTC 26 is
retrieved, go to next step. If DTC 26 is not retrieved, system is normal at this
time.
4. Disconnect negative battery cable. Connect Load Resistor (MB991865) to
Resistor Harness (MB991884). Connect resistor harness to driver-side seat belt
pretensioner connector D-24. Connect negative battery cable. Using scan tool,
check for DTCs. If DTC 26 is retrieved, go to next step. If DTC 26 is not
retrieved, replace driver-side seat belt pretensioner.
5. Disconnect SRS ECU connector C-25 and driver-side seat belt connector D-24.
Insert a cable tie or similar insulator between terminals No. 29 (Red/Blue wire)
and No. 30 (Red/Yellow wire) of SRS ECU connector to release shorting bar.
See Fig. 21
. If continuity exists between terminals No. 29 and 30, go to next
ste
p. If continuit
y does not exist, between terminals No. 29 and 30, erase, then
NOTE: Ensure shorting bar in SRS ECU connector is released by
using a cable tie or similar non conducting item to release
shorting bar before performing electrical measurements.
2004 Mitsubishi Endeavor Limited
2004 ACCESSORIES/SAFETY EQUIPMENT Mitsubishi - Air Bag Restraint Systems

retrieve DTCs using scan tool. If DTC 26 is retrieved, replace SRS ECU. Go to
step 7 .
6. Measure continuity of Red and Red/White wires between SRS ECU connector
C-25, terminals No. 29 and 30 and driver-side seat belt pretensioner connector
D-26, terminals No. 1 and 2. See Fig. 25
. If continuity does not exist in both
wires, replace wire harness between driver-side seat belt pretensioner and SRS
ECU. Go to next step. If continuity exists in both wires, go to next step.
7. Reconnect all SRS components. Activate air bag system. Using scan tool, erase
then retrieve DTCs. If DTC 26 is retrieved, go to step 1 . If DTC 26 is not
retrieved, system is normal at this time. Intermittent condition may exist.
Fig. 25: Identifying Seat Belt Pretensioner Connector D
-24 & D
-32 Terminals

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
DTC 27: DRIVER-SIDE SEAT BELT PRETENSIONER OPEN CIRCUIT 1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. Disable SRS.
See DISABLING & ACTIVATING AIR BAG SYSTEM
. Go to next ste
p.
NOTE: Ensure shorting bar in SRS ECU connector is released by
using a cable tie or similar non conducting item to release
shorting bar before performing electrical measurements.
2004 Mitsubishi Endeavor Limited
2004 ACCESSORIES/SAFETY EQUIPMENT Mitsubishi - Air Bag Restraint Systems

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 Resistor Harness (MB991884).
Connect resistor harness to driver-side seat belt pretensioner connector.
Connect negative battery cable. Using scan tool, check for DTCs. If DTC 27 is
retrieved, go to next step. If DTC 27 is not retrieved, replace driver-side seat
belt pretensioner.
3. Disconnect SRS ECU connector C-25. See SRS ELECTRONIC CONTROL UNIT (SRS ECU)
under REMOVAL & INSTALLATION. Measure
resistance of Red/Blue wire between SRS ECU connector C-25, terminal No.
29 and driver-side seat belt pretensioner connector D-26, terminal No. 1. See
Fig. 21
& Fig. 25
. Measure resistance of Red/Yellow wire between SRS ECU
connector terminal No. 30 and driver-side seat belt pretensioner connector D-
26, terminal No. 2. If resistance is 2 ohms or less in both wires, erase, then
retrieve DTCs using scan tool. If DTC 27 is retrieved, replace SRS ECU. Go to
next step. If resistance is more than 2 ohms in either wire, replace wire harness
between SRS ECU and seat belt pretensioner. Go to next step.
4. Reconnect all SRS components. Activate air bag system. Using scan tool, erase
then retrieve DTCs. If DTC 27 is retrieved, go to step 1 . If DTC 27 is not
retrieved, system is normal at this time. Intermittent condition may exist.
DTC 28: PASSENGER-SIDE SEAT BELT PRETENSIONER SHORT CIRCUIT 1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. Disable SRS.
See DISABLING & ACTIVATING AIR BAG SYSTEM
. If DTC 34 is
retrieved, go to next step. If DTC 34 is not retrieved, go to step 3 .
2. Inspect SRS ECU connector C-25. See SRS ELECTRONIC CONTROL
UNIT (SRS ECU)
under REMOVAL & INSTALLATION. See Fig. 19
. If
connector is connected properly, go to next step. If connector is not connected
properly, connect properly. Go to step 7 .
3. Disconnect ne
gative batter
y cable. Disconnect SRS ECU connector
C-25 and
NOTE: Ensure shorting bar in SRS ECU connector is released by
using a cable tie or similar non conducting item to release
shorting bar before performing electrical measurements.
2004 Mitsubishi Endeavor Limited
2004 ACCESSORIES/SAFETY EQUIPMENT Mitsubishi - Air Bag Restraint Systems

passenger-side seat belt pretensioner connector D-32. See SEAT BELT PRETENSIONER
under REMOVAL & INSTALLATION. Reconnect
connectors. Connect negative battery cable. Using scan tool, check for DTCs.
If DTC 28 is retrieved, go to next step. If DTC 28 is not retrieved, system is
normal at this time.
4. Disconnect negative battery cable. Connect Load Resistor (MB991865) to
Resistor Harness (MB991884). Connect resistor harness to driver-side seat belt
pretensioner connector D-32. Connect negative battery cable. Using scan tool,
check for DTCs. If DTC 28 is retrieved, go to next step. If DTC 28 is not
retrieved, replace passenger-side seat belt pretensioner.
5. Disconnect SRS ECU connector C-25 and passenger-side seat belt connector
D-32. Insert a cable tie or similar insulator between terminals No. 27 (Red
wire) and 28 (Red/White wire) of SRS ECU connector to release shorting bar.
See Fig. 21
. Check for continuity between terminals. If continuity exists, go to
next step. If continuity does not exist, erase, then retrieve DTCs using scan
tool. If DTC 28 is retrieved, replace SRS ECU. Go to step 7 .
6. Measure continuity of Red and Red/White wires between SRS ECU connector
C-25, terminals No. 27 and 28 and passenger-side seat belt pretensioner
connector D-39, terminals No. 1 and 2. See Fig. 25
. If continuity does not
exist in both wires, replace wire harness between SRS ECU and passenger-side
seat belt pretensioner. Go to next step. If continuity exists in both wires, go to
next step.
7. Reconnect all SRS components. Activate air bag system. Using scan tool, erase
then retrieve DTCs. If DTC 28 is retrieved, go to step 1 . If DTC 28 is not
retrieved, system is normal at this time. Intermittent condition may exist.
DTC 29: PASSENGER-SIDE SEAT BELT PRETENSIONER OPEN CIRCUIT 1. Before proceeding, see AIR BAG SAFETY PRECAUTIONS
. Disable SRS.
See DISABLING & ACTIVATING AIR BAG SYSTEM
. Go to next step.
2. Disconnect
passen
ger-side seat belt
pretensioner connector D-32. See SEAT
NOTE: Ensure shorting bar in SRS ECU connector is released by
using a cable tie or similar non conducting item to release
shorting bar before performing electrical measurements,
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. If DTC B1435 is retrieved, replace SRS ECU. See
SRS ELECTRONIC CONTROL UNIT (SRS ECU)
under REMOVAL &
INSTALLATION. If DTC B1435 is not retrieved, an intermittent condition
may exist.
DTCB1436: SIDE IMPACT SENSOR (LH) FAILURE 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.
2. Erase, then retrieve DTCs. If DTC B1466 is retrieved, go to next step. If DTC
B1436 is not retrieved, an intermittent condition may exist.
3. Replace driver-side impact sensor. See FRONT IMPACT SENSOR
under
REMOVAL & INSTALLATION. Reconnect SRS components. Erase, then
retrieve DTCs. If DTC B1436 is retrieved, replace SRS ECU. See SRS
ELECTRONIC CONTROL UNIT (SRS ECU)
under REMOVAL &
INSTALLATION. If DTC B1436 is not retrieved, system is normal at this
time.
DTCB1437: FRONT IMPACT SENSOR (LH) VOLTAGE ERROR 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 B1437 is retrieved,
go to
NOTE: When making electrical measurements at SRS ECU
connector, use a cable tie to ensure shorting bar in SRS
ECU connector is released and does not interfere with
electrical measurements.
2004 Mitsubishi Endeavor Limited
2004 ACCESSORIES/SAFETY EQUIPMENT Mitsubishi - Air Bag Restraint Systems