Downloaded from www.Manualslib.com manuals search engine 8B-16 Air Bag System:
CAUTION!
• Be sure to perform “Air Bag Diagnostic System Check” before starting diagnosis according to flow.
• When measurement of resistance or voltage is required in this flow, use a tester along with a correct terminal adapter from special tool (Connector test adapter kit).
• When a check for proper connection is required, refer to “Inspection of Intermittent and Poor Connections”.
• If there is open circuit in the air bag wire harnes s, connector or terminal is found damaged, replace
the wire harness, connector and terminal as an assembly.
Flow Test Description
Step 1: Check combination meter power feed circuit.
Step 2: Check “AIR BAG” warning right circuit.
Troubleshooting
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
“AIR BAG” Warning Right FlashesS7RS0B8204009
Wiring Diagram Step Action Yes No
1 1) Set parking brake.
2) Note combination me ter when ignition switch is turned
ON.
Does the “BRAKE” in dicator (warning right) come ON? Go to Step 2. Check and correct the
following possible
cause. • Open circuit in
“GRN” or “WHT/RED”
wire. • Short circuit
between “GRN” or
“WHT/RED” and
ground. • “METER” fuse
blown.
2 1) Disconnect SDM connector “L29”.
2) Note combination me ter when ignition switch is turned
ON.
Does the “AIR BAG” warning right come ON? Substitute a known-
good SDM and recheck.
“BLU/ORN” circuit
shorted to power circuit.
If OK, replace
combination meter.
1
2 GRN
11
BLK
L29-27
L29-2
L29-28 WL
E1
IG
L29-32
ST
10
8
“L29”
RED
PPL/WHT
7
3
4 “L04”
“G34”
“G33”
“G28”
“G32”
5 6
“G32”
YEL/BLK
YEL/BLK
RED/BLK
9
I7RS0B820002-02
1. From main fuse 5. “AIR BAG” warning right in combination meter 9. To DLC
2. Ignition switch 6. Lamp driver 10. SDM
3. “METER” fuse 7. Junction block assembly 11. Ground for air bag system
4. “A/BAG” fuse 8. BCM
Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-17
CAUTION!
• Be sure to perform “Air Bag Diagnostic System Check” before starting diagnosis according to flow.
• When measurement of resistance or voltage is required in this flow, use a tester along with a correct terminal adapter from special tool (Connector test adapter kit).
• When a check for proper connection is required, refer to “Inspection of Intermittent and Poor Connections”.
• If there is open circuit in the air bag wire harnes s, connector or terminal is found damaged, replace
the wire harness, connector and terminal as an assembly.
Flow Test Description
Check for short circuit between diag nosis switch circuit and ground.
Troubleshooting
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
DTC B1013: SDM faultS7RS0B8204010
DTC Will Set when
An internal SDM fault is detected by SDM.
NOTE
DTC B1013 can never be cleared once it has been set.
DTC Troubleshooting 1) Turn ignition switch OFF.
2) Replace SDM.
3) Repeat “Air Bag Diagnostic System Check”.
DTC B1014: “AIR BAG” Warning Right Circuit FailureS7RS0B8204011
Wiring DiagramStep Action Yes No
1 1) With ignition switch OFF, disconnect SDM connector “L29”.
2) Check “L29-35” terminal of SDM.
Is it shorted to ground terminal or harness? Clean up terminal. Substitute a know-good
SDM and recheck.
12 GRN
9
BLK
L29-2
L29-27
L29-28 IG
E1
WL
8
“L29”
RED
7
3
4 “L04”
“G34”
“G33”
“G28”
“G32”
5 6
YEL/BLK
YEL/BLK
RED/BLK
I7RS0B820004-04
1. From main fuse 4. “A/BAG” fuse
7. Junction block assembly
2. Ignition switch 5. “AIR BAG” warning right in combination meter 8. SDM
3. “METER” fuse 6. Lamp driver 9. Ground for air bag system
Downloaded from www.Manualslib.com manuals search engine 8B-18 Air Bag System:
CAUTION!
• Be sure to perform “Air Bag Diagnostic System Check” before starting diagnosis according to flow.
• When measurement of resistance or voltage is required in this flow, use a tester along with a correct terminal adapter from special tool (Connector test adapter kit).
• When a check for proper connection is required, refer to “Inspection of Intermittent and Poor Connections”.
• If there is open circuit in the air bag wire harnes s, connector or terminal is found damaged, replace
the wire harness, connector and terminal as an assembly.
DTC Will Set when
The voltage at the “AIR BAG” warning right circuit term inal “L29-2” does not match the commanded state of the
warning right driver for specified time.
Flow Test Description
Step 1: This test rechecks “AIR BAG” warning right operation.
Step 2: This test rechecks whether an abnormality is in SDM.
DTC Troubleshooting
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Clear DTCs referring to “DTC Clearance”, if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
DTC B1016: Power Source Voltage HighS7RS0B8204012
Wiring Diagram Step Action Yes No
1 1) This DTC is set when there is a trouble in “AIR BAG” warning right circuit. Failure to properly perform “Air Bag
Diagnostic System Check” may also result in
misdiagnosis. Therefore, check “AIR BAG” warning right
circuit again according to “Air Bag Diagnostic System
Check”.
Is “AIR BAG” warning right circuit in good condition? Go to Step 2. Repair “AIR BAG”
warning right circuit.
2 1) Clear DTC referring to “DTC Clearance”. 2) Check DTC referring to “DTC Check”.
Is DTC B1014 set? Substitute a known-
good SDM and recheck.
Recheck air bag system
referring to “Air Bag
Diagnostic System
Check”.
1
2
3
GRN
RED
6
BLK
L29-27
L29-28 IG
E1 5
4
“L29”
“L04”
“G32”
I7RS0A820009-02
1. From main fuse 3. “A/BAG” fuse 5. SDM
2. Ignition switch 4. Junction block assembly 6. Ground for air bag system
Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-19
CAUTION!
• Be sure to perform “Air Bag Diagnostic System Check” before starting diagnosis according to flow.
• When measurement of resistance or voltage is required in this flow, use a tester along with a correct terminal adapter from special tool (Connector test adapter kit).
• When a check for proper connection is required, refer to “Inspection of Intermittent and Poor Connections”.
• If there is open circuit in the air bag wire harnes s, connector or terminal is found damaged, replace
the wire harness, connector and terminal as an assembly.
DTC Will Set when
The power source voltage to SDM is above an approx. 21 V for specified time.
Flow Test Description
Step 1: Check if voltage applie d to SDM is within normal range.
Step 2: Check if DTC B1016 still exists.
DTC Troubleshooting
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Clear DTCs referring to “DTC Clearance”, if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
Step Action YesNo
1 1) With ignition switch OFF, disconnect SDM connector.
2) Check proper connection to SDM at “L29-27” terminal.
3) If OK, turn ignition switch ON and then check voltage between “L29-27” terminal on SDM connector and body
ground.
Special tool
(A): 09932-76010
Is voltage 14 V or less? Go to Step 2.
Check charging system
and repair as necessary
referring to “Generator
Test (Overcharged
Battery Check) in
Section 1J”.
2 1) With ignition switch OFF, reconnect SDM connector. With ignition switch ON , is DTC B1016 indicated? Substitute a known-
good SDM and recheck.
Intermittent trouble.
Check for intermittent
trouble referring to
“Inspection of
Intermittent and Poor
Connections” If OK,
substitute a known-
good SDM and recheck.
(A)
"L29-27"
I7RS0A820005-08
Downloaded from www.Manualslib.com manuals search engine 8B-24 Air Bag System:
DTC B1027: Reusable Number ExceededS7RS0B8204017
DTC Will Set when
The SDM has not been replaced though the side-air bag developed several times in the past.
NOTE
DTC B1027 can never be cleared once it has been set.
DTC Trouble shooting1) Turn ignition switch OFF.
2) Replace SDM.
3) Repeat “Air Bag Diagnostic System Check”.
DTC B1031: Driver Air Bag Initiator Circuit Resistance HighS7RS0B8204018
Wiring Diagram
CAUTION!
• Be sure to perform “Air Bag Diagnostic System Check” before starting diagnosis according to flow.
• When measurement of resistance or voltage is required in this flow, use a tester along with a correct terminal adapter from special tool (Connector test adapter kit).
• When a check for proper connection is required, refer to “Inspection of Intermittent and Poor Connections”.
• If there is open circuit in the air bag wire harnes s, connector or terminal is found damaged, replace
the wire harness, connector and terminal as an assembly.
1 2
3
GRN
RED
8
BLK
L29-27
L29-28 IG
E1
4
“L29”
“L04”
“G32”
“L29”
L29-4
D+
L29-3
D-GRN
GRN/RED
GRN
GRN/RED 6
57
“G26”
“L32” “G04”
[A]
I7RS0A820010-07
[A]: Shorting bar 3. “A/BAG” fuse 6. Contact coil assembly
1. From main fuse 4. Junction block assembly 7. Driver air bag (inflator) module
2. Ignition switch 5. SDM 8. Ground for air bag system
Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-73
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components, ensure all components are properly mounted.
• Clear DTCs referring to “DTC Clearance”, if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
DTC B1064 / B1068: Driver / Passenger Side-Air Bag Initiator Circuit Short to Power CircuitS7RS0B8204033
Wiring Diagram
CAUTION!
• Be sure to perform “Air Bag Diagnostic System Check” before starting diagnosis according to flow.
• When measurement of resistance or voltage is required in this flow, use a tester along with a correct terminal adapter from special tool (Connector test adapter kit).
• When a check for proper connection is required, refer to “Inspection of Intermittent and Poor Connections”.
• If there is open circuit in the air bag wire harnes s, connector or terminal is found damaged, replace
the wire harness, connector and terminal as an assembly.
DTC Will Set when
The voltage measured at side-air bag (driver or passenger) init iator circuit is above a specified value for specified time.
Flow Test Description
Step 1: Check whether malfunction is in side-air bag (inflator) module.
Step 2: Check side-air bag initiator circuit in floor harness.
Step 3: Check side-air bag init iator circuit in seat harness.
1
2
3
GRN
RED
8
BLK
L29-27
L29-28 IG
E1
4
“L29”
“L04”
“G32”
“L29”
L29-12
DS+
L29-11
DS-GRY
GRY/RED
56
“L25”
L29-13
PS+
L29-14
PS-BRN
BRN/WHT7
“L30”[A]
I7RS0A820020-04
[A]: Shorting bar 3. “A/BAG” fuse 6. Driver side-air bag (inflator) module
1. From main fuse 4. Junction block assembly 7. Passenger side-air bag (inflator) module
2. Ignition switch 5. SDM 8. Ground for air bag system
Downloaded from www.Manualslib.com manuals search engine Air Bag System: 8B-77
CAUTION!
• Be sure to perform “Air Bag Diagnostic System Check” before starting diagnosis according to flow.
• When measurement of resistance or voltage is required in this flow, use a tester along with a correct terminal adapter from special tool (Connector test adapter kit).
• When a check for proper connection is required, refer to “Inspection of Intermittent and Poor Connections”.
• If there is open circuit in the air bag wire harnes s, connector or terminal is found damaged, replace
the wire harness, connector and terminal as an assembly.
DTC Will Set when
Forward-sensor abnormal signal is detected by SDM.
Flow Test Description
Step 1: Check for short circuit between forward-sensor circuit and ground.
Step 2: Check if malfuncti on is in forward-sensor.
DTC Troubleshooting
NOTE
Upon completion of inspection and repair work, perform the following items.
• Reconnect all air bag system components and ensure all components are properly mounted.
• Clear DTCs referring to “DTC Clearance”, if any.
• Repeat “Air Bag Diagnostic System Check” to confirm that the trouble has been corrected.
Step Action YesNo
1 1) Disconnect forward-sensor connector “E13”.
2) Disconnect SDM connector “L29”.
3) Check proper connection to SDM connector at terminals “L29-50” and “L29-51” or terminals.
4) Measure resistance between “L29-50” terminal and body ground, “L29-51” terminal and body ground.
Special tool
(A): 09932–76010
Is each measured resistance infinity? Go to Step 3.
“ORN” circuit or “PNK/
BLK” circuit shorted to
ground.
2 1) Check forward-sensor referring to “Forward-Sensor Inspection”.
Is it in good condition? Substitute a known-
good SDM and recheck.
Replace forward-sensor
referring to “Forward-
Sensor Removal and
Installation”. If DTC still
exists, substitute a
known-good SDM and
recheck.
"L29-50" "L29-51"
(A)
I7RS0A820025-01
Downloaded from www.Manualslib.com manuals search engine 8B-100 Air Bag System:
6) If equipped with side curtain-air bag (inflator) module, connect black connector (1) securely as
shown in figure.
a) Connect connector.
b) Lock connector with lock button (2).
7) Install “A/BAG” fuse to fuse box.
8) Connect negative (–) cable at battery.
9) Turn ignition switch to ON position and verify that “AIR BAG” warning right flashes 6 times and then
turns OFF. If it does not operate as described,
perform “Air Bag Diagn ostic System Check”.SDM Removal and InstallationS7RS0B8206003
WARNING!
During service procedures, be very careful
when handling a Sensing and Diagnostic
Module (SDM).
Be sure to read “Precautions on Service and
Diagnosis of Air Bag System” before starting
to work and observe every precaution during
work. Neglecting them ma y result in personal
injury or inactivation of the air bag system
when necessary.
Removal
1) Disconnect negative cable at battery.
2) Disable air bag system referring to “Disabling Air Bag System”.
3) Remove center console box referring to “Console Box Components in Section 9H”.
4) Disconnect SDM connector (1) from SDM (2).
5) Remove SDM (2) from vehicle.
1
2
a)
b)
I4RS0A820055-01
A: Forward
2
1
A
I4RS0A820056-01