Mazda CX-7 2007 Workshop Manual page 1240

STEP
3 INSPECT PASSENGER SENSING SYSTEM
• Connect the seat weight sensor control
module connector.
• Connect the SAS control module.
• Connect the negative battery cable.
• Verify the following PIDs using the M-MDS.
(See 08-02-8 PID/DATA MONITOR TABLE.)
— OCSFLT_CAL
— OCSFLT_COM
— OCSFLT_L
— OCSFLT_MDL
— OCSFLT_R
• Do all PIDs display "OK"?
4 INSPECT SAS CONTROL MODULE
• Reperform the DTC inspection.
• Is DTC B2290 indicated?
End Of Sie
DTC B2296
DTC B2296 Crash zone sensor (communication error, internal circuit abnormal)
Warning
• Detection conditions are for understanding the DTC outline before performing an inspection.
Performing an inspection according to only the detection conditions may cause injury due to
DETECTION
an operating error, or damage the system. When performing an inspection, always follow the
CONDITION
inspection procedure.
• Malfunction in the wiring harness between the crash zone sensor and SAS control module
• Malfunction in the crash zone sensor circuit
• Open or short circuit in the wiring harness between the crash zone sensor and SAS control module
POSSIBLE
• SAS control module malfunction
CAUSE
• Crash zone sensor malfunction
SAS CONTROL MODULE WIRING
HARNESS-SIDE CONNECTOR
1V 1S
1W
1T
1X 1U
08-02–38
ON-BOARD DIAGNOSTIC
INSPECTION
1P 1M 1J 1G 1D 1A
1B
1Q 1H 1E
1I
1R 1F 1C
Yes Go to the next step.
No Replace the following parts according to the M-MDS
screen:
• If OCSFLT_CAL is displayed:
— Perform seat weight sensor calibration (See 08-10-
12 SEAT WEIGHT SENSOR CALIBRATION.)
• If OCSFLT_COM or OCSFLT_MDL is displayed:
— Seat weight sensor control module (See 08-10-11
SEAT WEIGHT SENSOR CONTROL MODULE
REMOVAL/INSTALLATION.)
• If OCSFLT_L is displayed:
— Seat weight sensor (LH) (See: 09-13-2 FRONT
SEAT DISASSEMBLY/ASSEMBLY.)
• If OCSFLT_R is displayed:
— Seat weight sensor (RH) (See 09-13-2 FRONT
SEAT DISASSEMBLY/ASSEMBLY.)
Yes [Present malfunction diangnosis]
• Replace the SAS control module.
(See 08-10-10 SAS CONTROL MODULE REMOVAL/
INSTALLATION.)
[Past malfunction diagnosis]
• DTC troubleshooting completed.
No DTC troubleshooting completed.
CRASH ZONE SENSOR WIRING
HARNESS-SIDE CONNECTOR
B
ACTION
id080200802400
A