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NO.3 PASSENGER AIR BAG DEACTIVATION (PAD) INDICATOR DOES NOT ILLUMINATE

BHE080301046W04

3 | Passenger air bag deactivation (PAD) indicator does not illuminate
DETECTION CONDITION | Malfunction in PAD indicator circuit (open circuit or short to power supply)
POSSIBLE CAUSE | • SAS unit malfunction • PAD indicator bulb malfunction • Open or short to power supply circuit in wiring harness between PAD indicator and SAS unit • Poor contact at terminals 1U 1X and/or 1W 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 IG KEY 15 A fuse and SAS unit

## 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.

STEP | INSPECTION | ACTION
--- | --- | ---
1 | VERIFY WHETHER SAS UNIT 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 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. • Are all SAS unit connectors securely connected? | Yes | Go to the next step.
No | Reconnect it properly, then go to the Step 6.
2 | INSPECT PAD INDICATOR BULB • Disconnect the negative battery cable. • Remove the PAD indicator bulb. (See PASSENGER AIR BAG DEACTIVATION (PAD) INDICATOR REMOVAL/INSTALLATION) • Is the PAD indicator bulb normal? | Yes | Reinstall it properly, then go to the next step.
No | Replace the bulb, then go to the Step 6.
*3 | INSPECT THE WIRING HARNESS BETWEEN PAD INDICATOR AND SAS UNIT FOR CONTINUITY 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 column cover. • Disconnect the clock spring connector. • Remove the glove compartment. • Disconnect the passenger-side air bag module connector. • Disconnect the driver and passenger-side side air bag module connectors. • Disconnect the driver and passenger-side curtain air bag module connectors. • Remove the rear door lower trim. • Disconnect the driver- and passenger-side pre-tensioner seat belt connectors. • Partially peel back the floor covering. • Disconnect all SAS unit connectors. • Is there continuity between terminal 1U of SAS unit connector and terminal A of PAD indicator? | Yes | Go to the next step.
No | Replace the wiring harness, then go to the Step 6.
*4 | INSPECT THE WIRING HARNESS BETWEEN PAD INDICATOR AND SAS UNIT FOR SHORT TO POWER SUPPLY • Connect the negative battery cable. • Turn the ignition switch to the ON position. • Measure the voltage at terminal A of PAD indicator connector. • Is the voltage 9 V or more? | Yes | Replace the wiring harness, then go to the Step 6.
No | Go to the next step.
5 | CHECK TO SEE WHETHER MALFUNCTION IS IN PAD INDICATOR OR SAS UNIT • Connect the SAS unit connector terminal 1U to body ground. • Does the PAD indicator illuminate with ignition switch on? | Yes | Replace the SAS unit, then go to the next step. (See SAS UNIT REMOVAL/INSTALLATION)
No | Go to the next step.
6 | CONFIRM THAT MALFUNCTION SYMPTOMS DO NOT RECUR AFTER REPAIR • Turn the ignition switch to the LOCK position. • Disconnect the negative battery cable and wait for 1 min or more. • Connect all SAS unit connectors. • Connect the driver and passenger-side pre-tensioner seat belt connectors. • Connect the driver and passenger-side curtain air bag module connectors. • Connect the driver and passenger-side side air bag module connectors. • Connect the passenger-side air bag module connector. • Connect the clock spring connector. • Connect the negative battery cable. • Turn the ignition switch to the ON position. • Does the PAD indicator operate properly? | Yes | Complete troubleshooting, then explain repairs to customer.
No | Recheck malfunction symptoms, then repeat from Step 1 if malfunction recurs.