Mazda CX-7 2007 Workshop Manual page 1229

DTC B1913, B1925, B1933, B1935
Passenger-side air bag module (inflator No.1) circuit short to body ground (air bag system warning
B1913
light DTC 21 is displayed.)
B1925 Passenger-side air bag module (inflator No.1) circuit short to power supply
DTC
B1933 Passenger-side air bag module (inflator No.1) circuit resistance high
B1935 Passenger-side air bag module (inflator No.1) circuit resistance low
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
an operating error, or damage the system. When performing an inspection, always follow the
DETECTION inspection procedure.
CONDITION
• Abnormal resistance (other than 1.4— 3.6 ohms) detected in the passenger-side air bag module
(inflator No.1) circuit
• Malfunction in the wiring harness between the passenger-side air bag module (inflator No.1) and SAS
control module
• Open or short circuit in the wiring harness between the passenger-side air bag module (inflator No.1)
POSSIBLE and SAS control module
• Passenger-side air bag module (inflator No.1) malfunction
CAUSE
• SAS control module malfunction
Diagnostic procedure
STEP
1 INSPECT PASSENGER-SIDE AIR BAG
MODULE (INFLATOR NO.1)
• Using the M-MDS, verify the following PID/
DATA monitor.
(See 08-02-8 PID/DATA MONITOR TABLE.)
— RES_AB_P
• Is the resistance of the passenger-side air
bag module normal?
— Resistance: 1.4— 3.6 ohms
ON-BOARD DIAGNOSTIC
PASSENGER-SIDE AIR BAG MODULE
WIRING HARNESS-SIDE CONNECTOR
(INFLATOR NO.1)
B A
INSPECTION
(INFLATOR NO.2)
B A
Yes Replace the SAS control module.
(See 08-10-10 SAS CONTROL MODULE REMOVAL/
INSTALLATION.)
No Go to the next step.
id080200801800
ACTION
08-02–27
08-02