CAN Communication Line Check
- Ignition "OFF".
- Disconnect BSD ECU (RH) connector and BSD ECU (LH) connector.
- Measure the resistance between terminal of BSD ECU (RH) harness connector and terminal of BSD ECU (LH) harness connector.
Specification : Below 1Ω
- Is the measured value within specification?
YES
- Check BSD ECU (RH ↔ LH) 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.
NO
- Check for open/short in harness.
- Substitute with a known-good BSD ECU LH or RH and check for proper operation. If the problem is corrected, replace BSD ECU LH or RH and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.