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DTC B1913, B1925, B1933, B1935

BHE080201046W15

DTC | B1913 | Passenger-side air bag module (inflator No.1) circuit short to body ground
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B1925 | Passenger-side air bag module (inflator No.1) circuit short to power supply
B1933 | Passenger-side air bag module (inflator No.1) circuit resistance high
B1935 | Passenger-side air bag module (inflator No.1) circuit resistance low
DETECTION CONDITION | 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 inspection procedure. • Abnormal resistance (other than 1.4-2.9 ohms ) detected in the passenger-side driver-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 unit
POSSIBLE CAUSE | • Open or short circuit in the wiring harness between the passenger-side air bag module (inflator No.1) and SAS unit • Passenger-side air bag module (inflator No.1) malfunction • SAS unit malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
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1 | INSPECT PASSENGER-SIDE AIR BAG MODULE (INFLATOR NO.1) • Using the WDS or equivalent, verify the following PID/DATA monitor. (See PID/DATA MONITOR TABLE.) – PABAGR • Is the resistance of the passenger-side air bag module normal? – Resistance: 1.4-2.9 ohms | Yes | [Present malfunction diagnosis] • Replace the SAS unit. (See SAS UNIT REMOVAL/INSTALLATION.) [Past malfunction diagnosis] • DTC troubleshooting completed.
No | Go to the next step.
2 | INSPECT PASSENGER-SIDE AIR BAG MODULE (INFLATOR NO.1) CONNECTOR Warning • Handling the air bag system components improperly can accidentally deploy the air bag modules and pre-tensioner seat belts, which may seriously injure you. Read the service warnings and cautions before handling the air bag system components. (See SERVICE WARNINGS.) (SeeSERVICE CAUTIONS.) • Turn the ignition switch to the LOCK position. • Disconnect the negative battery cable and wait for 1 min or more. • Remove the glove compartment. • Disconnect the passenger-side air bag module connector. • Is there any malfunction of the passenger-side air bag module connector? | Yes | Replace the air bag wiring harness.
No | Go to the next step.
3 | VERIFY WHETHER MALFUNCTION IS IN PASSENGER-SIDE AIR BAG MODULE (INFLATOR NO.1) OR RELATED WIRING HARNESS • Connect the leads of the SST (Fuel and thermometer checker) or apply 2-ohm resistance to passenger-side air bag module (inflator No.1) connector terminals A and B, and passenger-side air bag module (inflator No.2) connector terminals A and B. • Set the resistance of the SST (Fuel and thermometer checker) to the 2-ohm position. • Connect the negative battery cable. • Turn the ignition switch to the ON position. • Using the WDS or equivalent, verify the following PID/DATA monitor. (See PID/DATA MONITOR TABLE.) – OD_PAB1ST • Are related wiring harnesses normal? | Yes | Replace the passenger-side air bag module. (See PASSENGER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION.)
No | Replace the air bag wiring harness, then go to the next step.
4 | INSPECT SAS UNIT • Turn the ignition switch to the LOCK position. • Disconnect the negative battery cable and wait for 1 min or more. • Connect the passenger-side air bag module connector. • Are DTCs B1913, B1925, B1933 and/or B1935 indicated? | Yes | [Present malfunction diagnosis] • Replace the SAS unit. (See SAS UNIT REMOVAL/INSTALLATION.) [Past malfunction diagnosis] • DTC troubleshooting completed.
No | DTC troubleshooting completed.