2007-2009 Mazda CX9 Service & Repair Manual
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2008 RESTRAINTS
On-Board Diagnostic (Restraints) - Mazda CX-9
FOREWORD
OUTLINE
The OBD (on-board diagnostic) system has the following functions:
Malfunction detection function: Detects malfunctions in the air bag system and outputs DTCs.
Data monitor function: Reads out specific input/output signals and the system status.
Diagnostic DTCs can be read/cleared using the M-MDS.
FLOWCHART
Use the following flowchart to verify the cause of the trouble.
NOTE:
While performing the inspection of the past malfunction code, the
applicable DTCs may be added to memory by removing or disconnecting
the related parts. Inspect only the DTCs that were indicated before
inspecting.
When DTCs of the present malfunction are no longer output after present
or past malfunctions or both have been repaired, be sure to perform past
malfunction display cancellation to prevent repair of malfunctions that
have already been repaired.
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AIR BAG SYSTEM WIRING DIAGRAM (ON-BOARD DIAGNOSTIC)
Fig. 1: Flow Chart
Courtesy of MAZDA MOTORS CORP.
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Fig. 2: Air Bag System Wiring Diagram
Courtesy of MAZDA MOTORS CORP.
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DTC DISPLAY
1. Connect the M-MDS to the DLC-2.
2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
When using the IDS (laptop PC)
1. Select "Self Test".
2. Select "Modules".
3. Select "RCM".
When using the PDS (Pocket PC)
1. Select "Module Tests".
2. Select "RCM".
3. Select "Self Test".
Fig. 3: Identifying DLC - 2 Connector
Courtesy of MAZDA MOTORS CORP.
3. Verify the DTC according to the directions on the screen.
If any DTCs are displayed, perform troubleshooting according to the corresponding DTC
inspection.
4. After completion of repairs, clear all DTCs stored in the SAS control module. (See CLEARING DTC .)
CLEARING DTC
1. Connect the M-MDS to the DLC-2.
2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
When using the IDS (laptop PC)
1. Select "Self Test".
2. Select "Modules".
3. Select "RCM".
When using the PDS (Pocket PC)
1. Select "Module Tests".
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2. Select "RCM".
3. Select "Self Test".
3. Verify the DTC according to the directions on the screen.
4. Press the clear button on the DTC screen to clear the DTC.
5. Verify that no DTCs are displayed.
Fig. 4: Identifying DLC - 2 Connector
Courtesy of MAZDA MOTORS CORP.
DTC TABLE
DTCs are common for present and past malfunction diagnosis.
DTC TABLE
DTC CHART
NOTE:
When DTCs not shown in the DTC table are displayed, replace the
SAS control module.
If the air bag system warning light does not illuminate or remains
illuminated when the ignition switch is turned to the ON position,
inspect and repair the air bag system warning light circuit, and then
confirm that the air bag system warning light is operational.
The air bag system warning light flashes the DTC pattern for five
cycles, and then remains illuminated until the ignition switch is
turned to the ACC or LOCK position.
DTC
System malfunction
location
Page
M-MDS
display
Air bag system warning light
Flashing pattern
Priority
ranking
B1013 16 20
Seat weight sensor
calibration error
(See DTC B1013 .)
Driver-side curtain air bag
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B1046 24 19
module and other air bag
module circuits short
(See DTC B1046, B2773,
B2774, B2775, B2776 .)
B1047 22 17
Driver-side side air bag
module and other air bag
module circuits short
(See DTC B1047, B1992,
B1993, B1994, B1995 .)
B1048 21 12
Passenger-side air bag
module (inflator No.1) and
other air bag module circuits
short
(See DTC B1048, B1925,
B1933, B1935, B1938 .)
B1049 34 14
Passenger-side pre-tensioner
seat belt and other air bag
module circuits short
(See DTC B1049, B1881,
B1882, B1883, B1886 .)
B104B 43 8
Driver-side side air bag
sensor No. 1 and other
sensor circuits short to
power supply
(See DTC B104B, B104E,
B1051, U2017 .)
B104C 44 7
Passenger-side side air bag
sensor No.1 and other sensor
circuits short to power
supply
(See DTC B104C, B104F,
B1050, U2018 .)
B104D 42 11
Crash zone sensor and other
sensor circuits short to
power supply
(See DTC B104B, B104E,
B1051, U2017 .)
B104E 43 8
Driver-side side air bag
sensor No.1 circuit open or
short
(See DTC B104B, B104E,
B1051, U2017 .)
B104F
44 7
Passenger-side side air bag
sensor No.1 (internal circuit
abnormal)
(See DTC B104C, B104F,
B1050, U2018 .)
B1050
Passenger-side side air bag
sensor No.1 circuit open or
short
B1051 43 8
Driver-side side air bag
sensor No.1 (internal circuit
abnormal)
(See DTC B104B, B104E,
B1051, U2017 .)
B1054 33 15
Driver-side pre-tensioner
seat belt and other air bag
module circuits short
(See DTC B1054, B1877,
B1878, B1879, B1885 .)
B1055 23 16
Passenger-side side air bag
module and other air bag
module circuits short
(See DTC B1055, B1996,
B1997, B1998, B1999 .)
B1056 25 18
Passenger-side curtain air
bag module and other air bag
module circuits short
(See DTC B1056, B2777,
B2778, B2779, B2780 .)
Driver-side air bag module (See DTC B1057, B1916,
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B1057
19 13
(inflator No.1) and other air
bag module circuits short
B1932, B1934, B1936 .)
B1058
Driver-side air bag module
(inflator No.2) and other air
bag module circuits short
(See DTC B1058, B2228,
B2230, B2232, B2234 .)
B1059 21 12
Passenger-side air bag
module (inflator No.2) and
other air bag module circuits
short
(See DTC B1059, B2229,
B2231, B2233, B2235 .)
B105A -
Continuously
illuminated
1
SAS control module
activation (deployment)
control frequency error
(See DTC B105A .)
B105B 46 10
Driver-side side air bag
sensor No. 2 and other
sensor circuits short to
power supply
(See DTC B105B, B110C,
B1144, B1145 .)
B105F 47 9
Passenger-side side air bag
sensor No. 2 and other
sensor circuits short to
power supply
(See DTC B105F, B110D,
B1146, B1147 .)
B110C 46 10
Driver-side side air bag
sensor No. 2 circuit open or
short
(See DTC B105B, B110C,
B1144, B1145 .)
B110D 47 9
Passenger-side side air bag
sensor No. 2 circuit open or
short
(See DTC B105F, B110D,
B1146, B1147 .)
B110E 46 10
Driver-side side air bag
sensor No.2 ID mismatch
(See DTC B110E, B110F,
B2856, B2886, B2887 .)
B110F 47 9
Passenger-side side air bag
sensor No.2 ID mismatch
B1144
46 10
Driver-side side air bag
sensor No. 2 (internal circuit
abnormal)
(See DTC B105B, B110C,
B1144, B1145 .)
B1145
Driver-side side air bag
sensor No. 2
(communication error)
B1146
47 9
Passenger-side side air bag
sensor No. 2 (internal circuit
abnormal)
(See DTC B105F, B110D,
B1146, B1147 .)
B1147
Passenger-side side air bag
sensor No. 2
(communication error)
B1231 13 3
SAS control module
activation (deployment)
control freeze
(See DTC B1231 .)
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B1317
-
Continuously
illuminated
1
SAS control module power
supply voltage increases
(18.1 V or more)
(See DTC B1317, B1318 .)
B1318
SAS control module power
supply voltage decreases
(less than 8 V)
B1342
12 2
SAS control module
(internal circuit abnormal)
(See DTC B1342, B1921 .)
-
Continuously
illuminated
1
B1868 - - 1
Air bag system warning light
malfunction
(See DTC B1868 .)
B1877
33 15
Driver-side pre-tensioner
seat belt circuit resistance
high
(See DTC B1054, B1877,
B1878, B1879, B1885 .)
B1878
Driver-side pre-tensioner
seat belt circuit short to
power supply
B1879
Driver-side pre-tensioner
seat belt circuit short to body
ground
B1881
34 14
Passenger-side pre-tensioner
seat belt circuit resistance
high
(See DTC B1049, B1881,
B1882, B1883, B1886 .)
B1882
Passenger-side pre-tensioner
seat belt circuit short to
power supply
B1883
Passenger-side pre-tensioner
seat belt circuit short to body
ground
B1884 18 21
Passenger air bag
deactivation (PAD) indicator
circuit open or short to body
ground
(See DTC B1884, B1890 .)
B1885 33 15
Driver-side pre-tensioner
seat belt circuit resistance
low
(See DTC B1054, B1877,
B1878, B1879, B1885 .)
B1886 34 14
Passenger-side pre-tensioner
seat belt circuit resistance
low
(See DTC B1049, B1881,
B1882, B1883, B1886 .)
B1890 18 21
Passenger air bag
deactivation (PAD) indicator
circuit short to power supply
(See DTC B1884, B1890 .)
Driver-side air bag module (See DTC B1057, B1916,
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B1916 19 13
(inflator No.1) circuit short
to power supply
B1932, B1934, B1936 .)
B1921 -
Continuously
illuminated
1
Air bag diagnostic ground
circuit open
(See DTC B1342, B1921 .)
B1925 21 12
Passenger-side air bag
module (inflator No.1)
circuit short to power supply
(See DTC B1048, B1925,
B1933, B1935, B1938 .)
B1932 19 13
Driver-side air bag module
(inflator No.1) circuit
resistance high
(See DTC B1057, B1916,
B1932, B1934, B1936 .)
B1933 21 12
Passenger-side air bag
module (inflator No.1)
circuit resistance high
(See DTC B1048, B1925,
B1933, B1935, B1938 .)
B1934 19 13
Driver-side air bag module
(inflator No.1) circuit
resistance low
(See DTC B1057, B1916,
B1932, B1934, B1936 .)
B1935 21 12
Passenger-side air bag
module (inflator No.1)
circuit resistance low
(See DTC B1048, B1925,
B1933, B1935, B1938 .)
B1936 19 13
Driver-side air bag module
(inflator No.1) circuit short
to body ground
(See DTC B1057, B1916,
B1932, B1934, B1936 .)
B1938 21 12
Passenger-side air bag
module (inflator No.1)
circuit short to body ground
(See DTC B1048, B1925,
B1933, B1935, B1938 .)
B1992
22 17
Driver-side side air bag
module circuit short to
power supply
(See DTC B1047, B1992,
B1993, B1994, B1995 .)
B1993
Driver-side side air bag
module circuit short to body
ground
B1994
Driver-side side air bag
module circuit resistance
high
B1995
Driver-side side air bag
module circuit resistance low
B1996
23 16
Passenger-side side air bag
module circuit short to
power supply
(See DTC B1055, B1996,
B1997, B1998, B1999 .)
B1997
Passenger-side side air bag
module circuit short to body
ground
B1998
Passenger-side side air bag
module circuit resistance
high
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B1999
Passenger-side side air bag
module circuit resistance low
B2226
42 11
Crash zone sensor (internal
circuit abnormal)
(See DTC B104D, B2226,
B2227, B2855 .)
B2227
Crash zone sensor
(communication error)
B2228 19 13
Driver-side air bag module
(inflator No.2) circuit short
to body ground
(See DTC B1058, B2228,
B2230, B2232, B2234 .)
B2229 21 12
Passenger-side air bag
module (inflator No.2)
circuit short to body ground
(See DTC B1059, B2229,
B2231, B2233, B2235 .)
B2230 19 13
Driver-side air bag module
(inflator No.2) circuit short
to power supply
(See DTC B1058, B2228,
B2230, B2232, B2234 .)
B2231 21 12
Passenger-side air bag
module (inflator No.2)
circuit short to power supply
(See DTC B1059, B2229,
B2231, B2233, B2235 .)
B2232 19 13
Driver-side air bag module
(inflator No.2) circuit
resistance high
(See DTC B1058, B2228,
B2230, B2232, B2234 .)
B2233 21 12
Passenger-side air bag
module (inflator No.2)
circuit resistance high
(See DTC B1059, B2229,
B2231, B2233, B2235 .)
B2234 19 13
Driver-side air bag module
(inflator No.2) circuit
resistance low
(See DTC B1058, B2228,
B2230, B2232, B2234 .)
B2235 21 12
Passenger-side air bag
module (inflator No.2)
circuit resistance low
(See DTC B1059, B2229,
B2231, B2233, B2235 .)
B2290 16 20
Seat weight sensor signal
malfunction
(See DTC B2290 .)
B2477 54 6 Configuration error (See DTC B2477 .)
B2773
24 19
Driver-side curtain air bag
module circuit resistance low
(See DTC B1046, B2773,
B2774, B2775, B2776 .)
B2774
Driver-side curtain air bag
module circuit resistance
high
B2775
Driver-side curtain air bag
module circuit short to body
ground
B2776
Driver-side curtain air bag
module circuit short to
power supply
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