Diagnostic procedure
STEP
|
INSPECTION
|
ACTION
|
|
---|---|---|---|
1
|
INSPECT OPERATION OF PAD INDICATOR
• Turn the ignition switch to the LOCK position and wait for 1 min or more.
• Turn the ignition switch to the ON position.
• Does the PAD indicator illuminate?
|
Yes
|
Go to the next step.
|
No
|
Go to Step 4.
|
||
2
|
INSPECT THE WIRING HARNESS BETWEEN PAD INDICATOR AND SAS UNIT
• 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 drive- and passenger-side pre-tensioner seat belt connectors.
• Partially peel back the floor covering.
• Disconnect the SAS unit connectors.
• Connect the negative battery cable.
• Turn the ignition switch to the ON position.
• Measure the voltage at SAS unit connector terminal 1U.
• Is the voltage 9 V or more?
|
Yes
|
[Present malfunction diagnosis]
Replace the SAS unit.
[Past malfunction diagnosis]
Go to the next step.
|
No
|
Go to the next step.
|
||
3
|
INSPECT THE WIRING HARNESS BETWEEN PAD INDICATOR AND SAS UNIT
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable.
• Remove the PAD indicator bulb.
• Inspect the wiring harness between PAD indicator terminal A and SAS unit terminal 1U for the following:
• Is the wiring harness normal?
|
Yes
|
[Present malfunction diagnosis]
Replace the PAD indicator bulb.
[Past malfunction diagnosis]
Go to the next step.
|
No
|
Replace the wiring harness.
|
||
4
|
INSPECT THE PAD INDICATOR BULB
• Turn the ignition switch to the LOCK position.
• Disconnect the negative battery cable and wait for 1 min or more.
• Remove the PAD indicator bulb.
• Is the PAD indicator bulb normal?
|
Yes
|
Reinstall the PAD indicator bulb, then go to the next step.
|
No
|
Replace the PAD indicator bulb. (See PASSENGER AIR BAG DEACTIVATION (PAD) INDICATOR REMOVAL/INSTALLATION.)
|
||
5
|
INSPECT THE FOR CONTINUITY BETWEEN IG KEY 15 A FUSE AND PAD INDICATOR
• Connect the negative battery cable.
• Turn the ignition switch to the ON position.
• Measure the voltage at PAD indicator connector terminal B.
• Is the voltage 9 V or more?
|
Yes
|
Go to the next step.
|
No
|
Replace the wiring harness.
|
||
6
|
INSPECT THE WIRING HARNESS BETWEEN PAD INDICATOR AND SAS UNIT
• 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 trims.
• Disconnect the driver and passenger-side pre-tensioner seat belt connectors.
• Partially peel back the floor covering.
• Disconnect the SAS unit connectors.
• Inspect the wiring harness between PAD indicator terminal A and SAS unit terminal 1U for the following:
• Is the wiring harness normal?
|
Yes
|
[Present malfunction diagnosis]
Replace the SAS unit.
[Part malfunction diagnosis]
DTC troubleshooting completed.
|
No
|
Replace the wiring harness.
|