Diagnostic Procedure

DTC B00A0:81/B00A0:87/B00A0:8F - DIAGNOSTIC PROCEDURE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)

Step	Inspection		Action
1	INSPECT SEAT WEIGHT SENSOR CONTROL MODULE CONNECTOR WARNING: Handling the component parts improperly can accidentally operate (deploy) the air bag module, which may seriously injure you. Read the service warnings/cautions and the service information before handling the air bag system components. (See AIR BAG SYSTEM SERVICE WARNINGS [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) (See AIR BAG SYSTEM SERVICE CAUTIONS [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) Switch the ignition off. Disconnect the negative battery cable and wait for 1 min or more . (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) Disconnect the seat weight sensor control module connector. (See SEAT WEIGHT SENSOR CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) Is there any malfunction of the seat weight sensor control module connector or seat connector?	Yes	Replace the malfunctioning part, then go to Step 5.
1		No	Go to the next step.
2	INSPECT SEAT WEIGHT SENSOR CONTROL MODULE CIRCUIT FOR SHORT TO GROUND Seat weight sensor control module and fuse block connectors are disconnected. Inspect for continuity between the following terminals (wiring harness-side): SAS control module connector terminal 2B NOTE: Inspect for continuity while shaking the wiring harness between the SAS control module and seat weight sensor control module. Is there continuity?	Yes	Refer to the wiring diagram and verify whether or not there is a common connector between SAS control module terminal and seat weight sensor control module terminal. If there is a common connector: Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground. Replace the malfunctioning part. If there is no common connector: Replace the wiring harness which has a short to ground. Go to Step 5.
2		No	Go to the next step.
3	INSPECT SEAT WEIGHT SENSOR CONTROL MODULE CIRCUIT FOR OPEN CIRCUIT Seat weight sensor control module and fuse block connectors are disconnected. Inspect for continuity between the following terminals (wiring harness-side): Seat weight sensor control module terminal 2C-SAS control module connector terminal 2B NOTE: Inspect for continuity while shaking the wiring harness between the SAS control module and seat weight sensor control module. Is there continuity?	Yes	Go to the next step.
3		No	Refer to the wiring diagram and verify whether or not there is a common connector between SAS control module terminal and seat weight sensor control module terminal. If there is a common connector: Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit. Replace the malfunctioning part. If there is no common connector: Replace the wiring harness which has an open circuit. Go to Step 5.
4	INSPECT SEAT WEIGHT SENSOR CONTROL MODULE CIRCUIT FOR SHORT TO POWER SUPPLY Seat weight sensor control module and fuse block connectors are disconnected. Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) Switch the ignition ON (engine off or on). Measure the voltage at the following terminals (wiring harness-side): SAS control module connector terminal 2B NOTE: Measure the voltage while shaking the wiring harness between the SAS control module and seat weight sensor control module. Is the voltage 0 V ?	Yes	Go to the next step.
4		No	Refer to the wiring diagram and verify whether or not there is a common connector between SAS control module terminal and seat weight sensor control module terminal. If there is a common connector: Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to power supply. Replace the malfunctioning part. If there is no common connector: Replace the wiring harness which has a short to power supply. Go to the next step.
5	PERFORM SAS CONTROL MODULE DTC INSPECTION Reconnect the disconnected connectors. Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .) Switch the ignition ON (engine off or on). Clear the DTC for the SAS control module using the M-MDS. (See CLEARING DTC [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) Perform the DTC inspection for the SAS control module using the M-MDS. (See DTC INSPECTION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) Are DTCs B00A0:81, B00A0:87 and/or B00A0:8F displayed?	Yes	Replace the seat weight sensor control module. (See SEAT WEIGHT SENSOR CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) Then go to the next step.
5		No	DTC troubleshooting completed.
6	VERIFY TROUBLESHOOTING COMPLETED Clear DTCs using the M-MDS. (See CLEARING DTC [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) Verify DTCs using the M-MDS. (See DTC INSPECTION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) Are DTCs B00A0:81, B00A0:87 and/or B00A0:8F displayed?	Yes	Replace the SAS control module. (See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .)
6		No	DTC troubleshooting completed.