DTC B0094:11/B0094:12/B0094:29/B0094:2B/B0094:4A/B0094:87/B0094:96 [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)]

id0802g8813400

System malfunction location	•  B0094:11: Driver-side crash zone sensor circuit short to body ground •  B0094:12: Driver-side crash zone sensor circuit short to power supply •  B0094:29, B0094:96: Driver-side crash zone sensor internal malfunction •  B0094:2B: Short circuit to driver-side crash zone sensor and other air bag sensor circuits •  B0094:4A: Driver-side crash zone sensor ID error (assembly incorrect) •  B0094:87: Signal reception error from driver-side crash zone sensor
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. •  Wiring harness between the driver-side crash zone sensor and SAS control module has a malfunction •  Driver-side crash zone sensor has a malfunction
Fail-safe function	Not applicable
Possible cause	•  Driver-side crash zone sensor assembly incorrect •  Open circuit in the wiring harness between the following terminals: ―  SAS control module terminal 2O—driver-side crash zone sensor terminal A ―  SAS control module terminal 2Q—driver-side crash zone sensor terminal B •  Short circuit to body ground in the wiring harness between the following terminals: ―  SAS control module terminal 2O—driver-side crash zone sensor terminal A ―  SAS control module terminal 2Q—driver-side crash zone sensor terminal B •  Short circuit to power supply in the wiring harness between the following terminals: ―  SAS control module terminal 2O—driver-side crash zone sensor terminal A ―  SAS control module terminal 2Q—driver-side crash zone sensor terminal B •  Short circuit to other air bag sensor circuits in the wiring harness between the driver-side crash zone sensor and SAS control module •  Driver-side crash zone sensor malfunction •  SAS control module malfunction

Diagnostic Procedure

Warning

•  Handling the component parts improperly can accidentally operate (deploy) the air bag modules and pre-tensioner seat belts, which may seriously injure you. Read the service warnings/cautions and the workshop manual 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].)

Step	Inspection		Action
1	INSPECT DRIVER-SIDE CRASH ZONE SENSOR •  Switch the ignition off. •  Disconnect the negative battery terminal and wait for 1 min or more. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.) •  Remove the front bumper. (See FRONT BUMPER REMOVAL/INSTALLATION.) •  Verify that the driver-side crash zone sensor is correctly installed. (See CRASH ZONE SENSOR REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].) •  Is the driver-side crash zone sensor correctly installed?	Yes	Go to the next step.
		No	Correctly install the driver-side crash zone sensor. (See CRASH ZONE SENSOR REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].) Then go to Step 7.
2	INSPECT DRIVER-SIDE CRASH ZONE SENSOR CONNECTOR •  Disconnect the driver-side crash zone sensor connector. (See CRASH ZONE SENSOR REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].) •  Inspect the driver-side crash zone sensor connector (wiring harness-side). (Corrosion, damage, and disconnected pins) •  Is there any malfunction of the driver-side crash zone sensor connector (wiring harness-side)?	Yes	Replace the malfunction part, then go to step 7.
		No	Go to the next step.
3	INSPECT DRIVER-SIDE CRASH ZONE SENSOR CIRCUIT FOR SHORT TO GROUND •  Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION.) •  Disconnect the clock spring connector. (See CLOCK SPRING REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].) •  Remove the glove compartment. (See GLOVE COMPARTMENT REMOVAL/INSTALLATION.) •  Disconnect the passenger-side air bag module connectors. (See PASSENGER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].) •  Disconnect the driver and passenger-side front seat connectors. (See FRONT SEAT REMOVAL/INSTALLATION.) •  Remove the B-pillar lower trim. (See B-PILLAR LOWER TRIM REMOVAL/INSTALLATION.) •  Disconnect the driver and passenger-side front pre-tensioner seat belt connectors. (See FRONT SEAT BELT REMOVAL/INSTALLATION.) •  Remove the trunk side trim. (See TRUNK SIDE TRIM REMOVAL/INSTALLATION.) •  Disconnect the driver and passenger-side rear pre-tensioner seat belt connectors. (See REAR SEAT BELT REMOVAL/INSTALLATION.) •  Remove the headliner. (See HEADLINER REMOVAL/INSTALLATION.) •  Disconnect the driver and passenger-side curtain air bag module connectors. (See CURTAIN AIR BAG MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].) •  Disconnect the all SAS control module connectors. (See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].) •  Inspect for continuity between the following terminals (wiring harness-side) and body ground: ―  SAS control module terminal 2O ―  SAS control module terminal 2Q Note •  Inspect for continuity while shaking the wiring harness between the SAS control module and driver-side crash zone sensor. •  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 driver-side crash zone sensor 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 7.
		No	Go to the next step.
4	INSPECT DRIVER-SIDE CRASH ZONE SENSOR CIRCUIT FOR OPEN CIRCUIT •  Driver-side crash zone sensor and SAS control module connectors are disconnected. •  Inspect for continuity between the following terminals (wiring harness-side): ―  Driver-side crash zone sensor terminal A—SAS control module terminal 2O ―  Driver-side crash zone sensor terminal B—SAS control module terminal 2Q Note •  Inspect for continuity while shaking the wiring harness between the SAS control module and driver-side crash zone sensor. •  Is there continuity?	Yes	Go to the next step.
		No	Refer to the wiring diagram and verify whether or not there is a common connector between SAS control module terminal and driver-side crash zone sensor 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 7.
5	INSPECT DRIVER-SIDE CRASH ZONE SENSOR CIRCUIT FOR SHORT TO OTHER AIR BAG SENSOR CIRCUITS •  Driver-side crash zone sensor and SAS control module connectors are disconnected. •  Disconnect the passenger-side crash zone sensor connector. (See CRASH ZONE SENSOR REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].) •  Remove the driver and passenger-side B-pillar lower trim. (See B-PILLAR LOWER TRIM REMOVAL/INSTALLATION.) •  Disconnect the driver and passenger-side side air bag sensor connectors. (See SIDE AIR BAG SENSOR REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].) •  Remove the driver and passenger-side front door trim. (See FRONT DOOR TRIM REMOVAL/INSTALLATION.) •  Disconnect the driver and passenger-side pressure sensor connectors. (See PRESSURE SENSOR REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].) •  Refer to the wiring diagram and inspect for continuity between the driver-side crash zone sensor terminals and other air bag sensor terminals (wiring harness-side). Note •  Inspect for continuity while shaking the wiring harness between the SAS control module and driver-side crash zone sensor. •  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 driver-side crash zone sensor 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 other air bag sensor circuits. •  Replace the malfunctioning part. If there is no common connector: •  Replace the wiring harness which has a short to other air bag sensor circuits. Go to Step 7.
		No	Go to the next step.
6	INSPECT DRIVER-SIDE CRASH ZONE SENSOR CIRCUIT FOR SHORT TO POWER SUPPLY •  Driver-side crash zone sensor and SAS control module connectors are disconnected. •  Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.) •  Switch the ignition ON (engine off or on). •  Measure the voltage at the following terminals (wiring harness-side): ―  SAS control module terminal 2O ―  SAS control module terminal 2Q Note •  Measure the voltage while shaking the wiring harness between the SAS control module and driver-side crash zone sensor. •  Is the voltage 0 V?	Yes	Replace the driver-side crash zone sensor, then go to the next step. (See CRASH ZONE SENSOR REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].)
		No	Refer to the wiring diagram and verify whether or not there is a common connector between SAS control module terminal and driver-side crash zone sensor 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.
7	PERFORM SAS CONTROL MODULE DTC INSPECTION •  Switch the ignition off. •  Disconnect the negative battery terminal and wait for 1 min or more. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.) •  Connect the SAS control module connectors. •  Reconnect all disconnected connectors. •  Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.) •  Switch the ignition ON (engine off or on). •  Clear the DTC for the SAS control module using the M-MDS. (See CLEARING DTC [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)].) •  Perform the DTC inspection for the SAS control module using the M-MDS. (See DTC INSPECTION [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)].) •  Are the same DTCs present?	Yes	Repeat the inspection from Step 1. •  If the malfunction recurs, replace the SAS control module. (See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].)
		No	DTC troubleshooting completed.