Mazda 6. Manual — part 372

TROUBLESHOOTING

T–235

T

End Of Sie

NO.3 PASSENGER-SIDE AIR BAG CUT-OFF INDICATOR LIGHT DOES NOT ILLUMINATE

A6E818001046W04

Diagnostic Procedure

• When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while

doing the inspection to discover whether poor contact points are the cause of any intermittent malfunction. If
there is a problem, check to make sure connectors, terminals and wiring harness are connected correctly and
undamaged.

10

CONFIRM THAT MALFUNCTION SYMPTOMS
DO NOT RECUR AFTER REPAIR

• Turn ignition switch to LOCK position.

• Disconnect negative battery cable and wait

for more than 1 minute.

• Connect all SAS unit connectors.

• Connect driver and passenger-side

pre-tensioner seat belt connectors. (Vehicles
with pre-tensioner seat belt)

• Connect driver and passenger-side curtain

air bag module connectors. (Vehicles with
curtain air bag)

• Connect driver and passenger-side side air

bag module connectors. (Vehicles with side
air bag)

• Connect passenger-side air bag module

connector.

• Connect clock spring connector.

• Connect instrument cluster connector.

• Connect negative battery cable.

• Turn ignition switch to ON position.

• Does air bag system warning light operate

properly?

Yes

Complete troubleshooting, then explain repairs to customer.

No

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

STEP

INSPECTION

ACTION

3

Passenger-side air bag cut-off indicator light does not illuminate

DETECTION

CONDITION

Malfunction in passenger-side air bag cut-off indicator light circuit (open circuit or short to power supply)

POSSIBLE

CAUSE

• SAS unit malfunction

• Passenger-side air bag cut-off indicator light bulb malfunction

• Open or short to power supply circuit in wiring harness between passenger-side air bag cut-off indicator

light and SAS unit

• Poor contact at terminals 1U 1X and/or 1W of SAS unit connector

• Poor contact at terminals 1I of SAS unit connector

• Poor contact in wiring harness between terminal 1X of SAS unit connector and ground

• Poor contact or short circuits in wiring harness between METER IG 15 A fuse and SAS unit, between

AIR BAG 15 A fuse and SAS unit at the time

STEP

INSPECTION

ACTION

1

INSPECT PASSENGER-SIDE AIR BAG CUT-
OFF INDICATOR LIGHT BULB

• Disconnect negative battery cable.

• Remove center panel module.

(See

T–96 CENTER PANEL MODULE

REMOVAL/INSTALLATION

)

• Is passenger-side air bag cut-off indicator

light bulb functional?

Yes

Reinstall it properly, then go to next step.

No

Replace bulb, then go to Step 5.

T–236

TROUBLESHOOTING

*2

INSPECT WIRING HARNESS BETWEEN
PASSENGER-SIDE AIR BAG CUT-OFF
INDICATOR LIGHT AND SAS UNIT FOR
CONTINUITY

Warning
• Handling air bag system components

improperly can accidentally deploy air
bag modules and pre-tensioner seat
belts, which may seriously injure you.
Read SERVICE WARNINGS before
handling air bag system components.
(See

T–117 SERVICE WARNINGS

)

• Turn ignition switch to LOCK position.

• Disconnect negative battery cable and wait

for more than 1 minute.

• Remove column cover.

• Disconnect clock spring connector.

• Remove glove compartment.

• Disconnect passenger-side air bag module

connector.

• Disconnect driver and passenger-side side

air bag module connectors. (Vehicles with
side air bag)

• Disconnect driver and passenger-side

curtain air bag module connectors. (Vehicles
with curtain air bag)

• Remove B-pillar lower trims. (Vehicle with

pre-tensioner seat belt)

• Disconnect driver- and passenger-side

pre-tensioner seat belt connectors. (Vehicle
with pre-tensioner seat belt)

• Turn up floor covering.

• Disconnect all SAS unit connectors.

• Is there continuity between terminal 1U of

SAS unit connector and terminal A of
passenger-side air bag cut-off indicator light?

Yes

Go to next step.

No

Replace wiring harness, then go to Step 5.

*3

INSPECT WIRING HARNESS BETWEEN
PASSENGER-SIDE AIR BAG CUT-OFF
INDICATOR LIGHT AND SAS UNIT FOR
SHORT TO POWER SUPPLY

• Connect negative battery cable.

• Turn ignition switch to ON position.

• Measure voltage at terminal A of passenger-

side air bag cut-off indicator light connector.

• Is voltage more than approximately 9 V?

Yes

Replace wiring harness, then go to Step 5.

No

Go to next step.

4

CHECK TO SEE WHETHER MALFUNCTION
IS IN PASSENGER-SIDE AIR BAG CUT-OFF
INDICATOR LIGHT OR SAS UNIT

• Connect SAS unit connector terminal 1U to

ground.

• Does passenger-side air bag cut-off indicator

light illuminate with ignition switch on?

Yes

Replace SAS unit, then go to next step.
(See

T–124 SAS UNIT REMOVAL/INSTALLATION

)

No

Go to next step.

STEP

INSPECTION

ACTION

TROUBLESHOOTING

T–237

T

End Of Sie

NO.4 PASSENGER-SIDE AIR BAG CUT-OFF INDICATOR LIGHT IS ILLUMINATED ALL THE TIME

A6E818001046W05

Diagnostic Procedure

• When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while

doing the inspection to discover whether poor contact points are the cause of any intermittent malfunction. If
there is a problem, check to make sure connectors, terminals and wiring harness are connected correctly and
undamaged.

5

CONFIRM THAT MALFUNCTION SYMPTOMS
DO NOT RECUR AFTER REPAIR

• Turn ignition switch to LOCK position.

• Disconnect negative battery cable and wait

for more than 1 minute.

• Connect all SAS unit connectors.

• Connect driver and passenger-side

pre-tensioner seat belt connectors. (Vehicles
with pre-tensioner seat belt)

• Connect driver and passenger-side curtain

air bag module connectors. (Vehicles with
curtain air bag)

• Connect driver and passenger-side side air

bag module connectors. (Vehicles with side
air bag)

• Connect passenger-side air bag module

connector.

• Connect clock spring connector.

• Connect negative battery cable.

• Turn ignition switch to ON position.

• Does passenger-side air bag cut-off indicator

light operate properly?

Yes

Complete troubleshooting, then explain repairs to customer.

No

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

STEP

INSPECTION

ACTION

4

Passenger-side air bag cut-off indicator light is illuminated all the time.

DETECTION

CONDITION

Malfunction in passenger-side air bag cut-off indicator light circuit (short to ground).

POSSIBLE

CAUSE

• SAS unit malfunction

• Short to ground circuit in wiring harness between passenger-side air bag cut-off indicator light and SAS

unit

STEP

INSPECTION

ACTION

*1

INSPECT WIRING HARNESS BETWEEN
PASSENGER-SIDE AIR BAG CUT-OFF
INDICATOR LIGHT AND SAS UNIT FOR
SHORT TO GROUND

• Remove center panel module.

(See

T–96 CENTER PANEL MODULE

REMOVAL/INSTALLATION

)

• Remove column cover.

• Disconnect clock spring connector.

• Remove glove compartment.

• Disconnect passenger-side air bag module

connector.

• Disconnect driver and passenger-side side

air bag module connectors. (Vehicles with
side air bag)

• Disconnect driver and passenger-side

curtain air bag module connectors. (Vehicles
with curtain air bag)

• Remove B-pillar lower trims. (Vehicle with

pre-tensioner seat belt)

• Disconnect driver- and passenger-side

pre-tensioner seat belt connectors. (Vehicle
with pre-tensioner seat belt)

• Turn up floor covering.

• Disconnect all SAS unit connectors.

• Is there continuity between terminal 1U of

SAS unit connector and ground?

Yes

Replace wiring harness, then go to next step.

No

Replace SAS unit, then go to next step.
( See

T–124 SAS UNIT REMOVAL/INSTALLATION

)

T–238

TROUBLESHOOTING

End Of Sie

2

CONFIRM THAT MALFUNCTION SYMPTOMS
DO NOT RECUR AFTER REPAIR

• Connect all SAS unit connectors.

• Connect driver and passenger-side

pre-tensioner seat belt connectors. (Vehicles
with pre-tensioner seat belt)

• Connect driver and passenger-side curtain

air bag module connectors. (Vehicles with
curtain air bag)

• Connect driver and passenger-side side air

bag module connectors. (Vehicles with side
air bag)

• Connect passenger-side air bag module

connector.

• Connect clock spring connector.

• Connect negative battery cable.

• Turn ignition switch to ON position.

• Does passenger-side air bag cut-off indicator

light operate properly?

Yes

Complete troubleshooting, then explain repairs to customer.

No

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

STEP

INSPECTION

ACTION