Mazda CX-7 2007 Workshop Manual page 1234

DTC B2228, B2230, B2232, B2234
B2228 Driver-side air bag module (inflator No.2) circuit short to body ground
B2230 Driver-side air bag module (inflator No.2) circuit short to power supply
DTC
B2232 Driver-side air bag module (inflator No.2) circuit resistance high
B2234 Driver-side air bag module (inflator No.2) 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 1.5— 4.4 ohms) detected in the driver-side air bag module (inflator
No.2) circuit
• Malfunction in the wiring harness between the driver-side air bag module (inflator No.2) and SAS
control module
• Open or short circuit in the wiring harness between the clock spring and SAS control module
• Clock spring malfunction
POSSIBLE
• Driver-side air bag module (inflator No.2) malfunction
CAUSE
• SAS control module malfunction
SAS CONTROL MODULE WIRING
HARNESS-SIDE CONNECTOR
1V 1S 1P 1M 1J 1G 1D
1W 1T 1Q 1H
1X 1U 1R 1I
08-02–32
ON-BOARD DIAGNOSTIC
CLOCK SPRING WIRING
HARNESS-SIDE CONNECTOR
1A
1D 1C 1B 1A
1E 1B
1F 1C
DRIVER-SIDE AIR BAG MODULE
WIRING HARNESS-SIDE CONNECTOR
(CLOCK SPRING )
(INFLATOR NO.1) (INFLATOR NO.2)
3B 3A 4B
id080200802100
4A