B2507

B2507

Component Location:

General Description
PAD Switch (Passenger airbag deactivation Switch) is the device which prevents Passenger airbag from being deployed when the passenger seat is unoccupied as driver turning OFF PAD Switch. When PAD Switch turned OFF," PASSENGER SRS OFF" lamp on cluster turns ON.

DTC Description
The above DTCs are recorded when the defect of the Passenger airbag off warning lamp is detected in Passenger airbag off warning lamp circuit.

DTC Detecting Condition:

Schematic Diagram:

Monitor Scantool Data
1. Ignition "OFF", connect scantool.
2. Ignition "ON" & Engine "OFF", select "Diagnostic Trouble Codes (DTC)" mode.
3. Monitor diagnostic trouble code and present of trouble code.
4. Using a scan tool, clear the DTC.






5. Is DTC present problem?

YES - Go to "W/Harness Inspection" procedure.

NO
- Displaying nothing (no DTC) or DTC with label "H" (historical) shows that Fault is intermittent caused by poor contact in the part's and/or SRSCM connector or was repaired and SRSCM memory was not cleared.
Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
- Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.

Terminal and Connector Inspection
1. Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
2. Thoroughly check shorting connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
3. Has a problem been found?

YES - Repair as necessary and then go to "Verification of Vehicle Repair" procedure.

NO - Go to "Warning lamp Circuit Inspection" procedure.

Warning lamp Circuit Inspection
4. Ignition "OFF".
5. Disconnect SRSCM main harness connector.
6. Ignition "ON" & Engine "OFF".
7. Measure voltage between terminal "74" of the SRSCM main harness connector and chassis ground.

Specification: Batt Voltage






8. Is the measured voltage within specifications?

YES
- Substitute a known-good SRSCM, and check for proper operation.
- If the problem is corrected, replace SRSCM and then go to "Verification of Vehicle Repair" procedure.

NO - Check airbag fuse, airbag off warning lamp, junction box, harness between junction block and SRS. Repair as necessary and go to "Verification of Vehicle Repair" procedure.

Verification of Vehicle Repair
After a repair, it is essential to verify that the fault has been corrected.
1. Connect scan tool and select "Diagnostic Trouble Codes (DTC)" mode
2. Using a scan tool, clear the DTC.
3. Operate the vehicle within DTC Enable conditions in General information.
4. Are any DTC present?

YES - Go to the applicable troubleshooting procedure.

NO - System is performing to specification at this time.