W/Harness Inspection

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 connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
3. Has a problem been found ?
YES
1) Repair as necessary and then go to "Verification of Vehicle Repair" procedure.
NO
1) Go to "Warning lamp Circuit Inspection" procedure.

Warning lamp Circuit Inspection

1. Ignition "OFF".
2. Disconnect SRSCM main harness connector.
3. Ignition "ON" & Engine "OFF".
4. Measure voltage between terminal "18" of the SRSCM main harness connector and chassis ground.
A. Specification : Batt Voltage




5. Is the measured voltage within specifications ?
YES
1) 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
1) 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.