NO.2 AIR BAG SYSTEM WARNING LIGHT ILLUMINATES CONSTANTLY

STEP	INSPECTION	ACTION
1	INSPECT BATTERY • Measure the voltage of battery. • Is the voltage 8 V or more?	Yes	Go to the next step.
No	Battery is weak. Inspect charge/discharge system, then go to Step 8. (See BATTERY INSPECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5].) (See BATTERY INSPECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (WITHOUT i-stop)].) (See BATTERY INSPECTION [SKYACTIV-D 2.2].)
2	VERIFY THAT SAS CONTROL MODULE CONNECTOR IS CONNECTED 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 air bag system service warnings and cautions before handling the air bag system components. (See AIR BAG SYSTEM SERVICE WARNINGS.) (See AIR BAG SYSTEM SERVICE CAUTIONS.) • Switch the ignition to 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].)(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (WITHOUT i-stop)].)(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Remove the rear console. (See REAR CONSOLE REMOVAL/INSTALLATION.) • Are all SAS control module connectors securely connected?	Yes	Go to the next step.
No	Reconnect the connector properly, then go to Step 8.
3	INSPECT DTCS IN SAS CONTROL MODULE • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5].)(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (WITHOUT i-stop)].)(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Inspect the DTC for the SAS control module on-board diagnostic system. (See DTC INSPECTION [SAS CONTROL MODULE].) • Have DTCs been recorded in memory?	Yes	Perform the applicable DTC inspection, then go to Step 8. (See DTC TABLE [SAS CONTROL MODULE].)
No	Go to the next step.
4	INSPECT DTCS IN INSTRUMENT CLUSTER • Inspect the DTC for the instrument cluster on-board diagnostic system. (See DTC INSPECTION [INSTRUMENT CLUSTER].) • Have DTCs been recorded in memory?	Yes	Perform the applicable DTC inspection, then go to Step 8. (See DTC TABLE [INSTRUMENT CLUSTER].)
No	Go to the next step.
5	VERIFY WHERE MALFUNCTION IS IN WARNING LIGHTS INDICATION CIRCUIT OR ELSEWHERE • Turn on all warning lights and indicator lights using the instrument cluster PID WL+IL of simulation function using the M-MDS. (See ACTIVE COMMAND MODES INSPECTION [INSTRUMENT CLUSTER].) • Do other warning and indicator lights illuminate?	Yes	Go to the next step.
No	Repair the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.) Then go to Step 8.
6	INSPECT POWER SUPPLY CIRCUIT OF SAS CONTROL MODULE (TERMINAL 3AD) 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 workshop manual before handling the air bag system components. (See AIR BAG SYSTEM SERVICE WARNINGS.) (See AIR BAG SYSTEM SERVICE CAUTIONS.) • Switch the ignition to 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].)(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (WITHOUT i-stop)].)(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION.) • Disconnect the clock spring connector. (See CLOCK SPRING REMOVAL/INSTALLATION.) • Remove the glove compartment. (See GLOVE COMPARTMENT REMOVAL/INSTALLATION.) • Disconnect the passenger-side air bag module connector. (See PASSENGER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION.) • Disconnect the driver and passenger-side front seat connector. (See FRONT SEAT 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.) • Remove the B-pillar lower trim. (See B-PILLAR LOWER TRIM REMOVAL/INSTALLATION.) • Disconnect the driver and passenger-side pre-tensioner seat belt connectors. (See FRONT SEAT BELT REMOVAL/INSTALLATION.) • Disconnect all SAS control module connectors. (See SAS CONTROL MODULE REMOVAL/INSTALLATION.) • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5].)(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (WITHOUT i-stop)].)(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Switch the ignition ON (engine off or on). • Measure the voltage of SAS control module terminal 3C (wiring harness-side). Note • Measure the voltage while shaking the wiring harness between the SAS control module and IG1 relay. • Is the voltage 8 V—17.9 V?	Yes	Go to the next step.
No	If there is a common connector:If there is no common connector: Refer to the wiring diagram and verify whether or not there is a common connector between SAS control module terminal and IG1 relay terminal. • 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. • Replace the wiring harness which has a short to power supply. Go to Step 8.
7	VERIFY THAT SAS CONTROL MODULE CONNECTOR TERMINAL 2C, 2F IS GROUND • SAS control module connector disconnected. • Switch the ignition to 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].)(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (WITHOUT i-stop)].)(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Inspect for continuity between the following terminals (wiring harness-side): ― SAS control module terminal 2H—body ground ― SAS control module terminal 2L—body ground Note • Inspect for continuity while shaking the wiring harness between the SAS control module and body ground. • Is there continuity?	Yes	Replace the SAS control module, then go to the next step. (See SAS CONTROL MODULE REMOVAL/INSTALLATION.)
No	If there is a common connector:If there is no common connector: Refer to the wiring diagram and verify whether or not there is a common connector between SAS control module terminal 2C, 2F and body ground. • 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. • Replace the wiring harness which has an open circuit. Go to the next step.
8	CONFIRM THAT MALFUNCTION SYMPTOMS DO NOT RECUR AFTER REPAIR • Connect the SAS control module connectors. • Reconnect all disconnected connectors. • Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5].)(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (WITHOUT i-stop)].)(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].) • Switch the ignition ON (engine off or on). • Does the air bag system warning light illuminate for approx. 6 s and turn off?	Yes	Complete troubleshooting, then explain repairs to customer.
No	Recheck malfunction symptoms, then repeat from Step 1 if malfunction recurs.

STEP

INSPECTION

ACTION

INSPECT BATTERY

• Measure the voltage of battery.

• Is the voltage 8 V or more?

Yes

Go to the next step.

Battery is weak.

Inspect charge/discharge system, then go to Step 8.

(See BATTERY INSPECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5].)

(See BATTERY INSPECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (WITHOUT i-stop)].)

(See BATTERY INSPECTION [SKYACTIV-D 2.2].)

VERIFY THAT SAS CONTROL MODULE CONNECTOR IS CONNECTED

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 air bag system service warnings and cautions before handling the air bag system components.

(See AIR BAG SYSTEM SERVICE WARNINGS.)

(See AIR BAG SYSTEM SERVICE CAUTIONS.)

• Switch the ignition to 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].)(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (WITHOUT i-stop)].)(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Remove the rear console. (See REAR CONSOLE REMOVAL/INSTALLATION.)

• Are all SAS control module connectors securely connected?

Yes

Go to the next step.

Reconnect the connector properly, then go to Step 8.

INSPECT DTCS IN SAS CONTROL MODULE

• Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5].)(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5 (WITHOUT i-stop)].)(See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-D 2.2].)

• Inspect the DTC for the SAS control module on-board diagnostic system. (See DTC INSPECTION [SAS CONTROL MODULE].)

• Have DTCs been recorded in memory?

Yes

Perform the applicable DTC inspection, then go to Step 8. (See DTC TABLE [SAS CONTROL MODULE].)

Go to the next step.

INSPECT DTCS IN INSTRUMENT CLUSTER

• Inspect the DTC for the instrument cluster on-board diagnostic system. (See DTC INSPECTION [INSTRUMENT CLUSTER].)

• Have DTCs been recorded in memory?

Yes

Perform the applicable DTC inspection, then go to Step 8. (See DTC TABLE [INSTRUMENT CLUSTER].)

Go to the next step.

VERIFY WHERE MALFUNCTION IS IN WARNING LIGHTS INDICATION CIRCUIT OR ELSEWHERE

• Turn on all warning lights and indicator lights using the instrument cluster PID WL+IL of simulation function using the M-MDS. (See ACTIVE COMMAND MODES INSPECTION [INSTRUMENT CLUSTER].)

• Do other warning and indicator lights illuminate?

Yes

Go to the next step.

Repair the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.)

Then go to Step 8.

INSPECT POWER SUPPLY CIRCUIT OF SAS CONTROL MODULE (TERMINAL 3AD)

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 workshop manual before handling the air bag system components. (See AIR BAG SYSTEM SERVICE WARNINGS.)

(See AIR BAG SYSTEM SERVICE CAUTIONS.)

• Switch the ignition to off.

• Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION.)

• Disconnect the clock spring connector. (See CLOCK SPRING REMOVAL/INSTALLATION.)

• Remove the glove compartment. (See GLOVE COMPARTMENT REMOVAL/INSTALLATION.)

• Disconnect the passenger-side air bag module connector. (See PASSENGER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION.)

• Disconnect the driver and passenger-side front seat connector. (See FRONT SEAT 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.)

• Remove the B-pillar lower trim. (See B-PILLAR LOWER TRIM REMOVAL/INSTALLATION.)

• Disconnect the driver and passenger-side pre-tensioner seat belt connectors. (See FRONT SEAT BELT REMOVAL/INSTALLATION.)

• Disconnect all SAS control module connectors. (See SAS CONTROL MODULE REMOVAL/INSTALLATION.)

• Switch the ignition ON (engine off or on).

• Measure the voltage of SAS control module terminal 3C (wiring harness-side).

Note

• Measure the voltage while shaking the wiring harness between the SAS control module and IG1 relay.

• Is the voltage 8 V—17.9 V?

Yes

Go to the next step.

If there is a common connector:If there is no common connector:

Refer to the wiring diagram and verify whether or not there is a common connector between SAS control module terminal and IG1 relay terminal.

• 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.

• Replace the wiring harness which has a short to power supply.

Go to Step 8.

VERIFY THAT SAS CONTROL MODULE CONNECTOR TERMINAL 2C, 2F IS GROUND

• SAS control module connector disconnected.

• Switch the ignition to off.

• Inspect for continuity between the following terminals (wiring harness-side):

― SAS control module terminal 2H—body ground

― SAS control module terminal 2L—body ground

Note

• Inspect for continuity while shaking the wiring harness between the SAS control module and body ground.

• Is there continuity?

Yes

Replace the SAS control module, then go to the next step. (See SAS CONTROL MODULE REMOVAL/INSTALLATION.)

If there is a common connector:If there is no common connector:

Refer to the wiring diagram and verify whether or not there is a common connector between SAS control module terminal 2C, 2F and body ground.

• 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.

• Replace the wiring harness which has an open circuit.

Go to the next step.

CONFIRM THAT MALFUNCTION SYMPTOMS DO NOT RECUR AFTER REPAIR

• Connect the SAS control module connectors.

• Reconnect all disconnected connectors.

• Switch the ignition ON (engine off or on).

• Does the air bag system warning light illuminate for approx. 6 s and turn off?

Yes

Complete troubleshooting, then explain repairs to customer.

Recheck malfunction symptoms, then repeat from Step 1 if malfunction recurs.

2	Air bag system warning light illuminates constantly
DETECTION CONDITION	Air bag system warning light is illuminated constantly and remains illuminated after 6 s have elapsed.
POSSIBLE CAUSE	• Weak battery • SAS control module malfunction • SAS control module connectors are poorly connected • Instrument cluster malfunction • Instrument cluster connector is poorly connected • Open circuit in wiring harness between instrument cluster and SAS control module