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B1B83-PASSENGER SEAT WEIGHT SENSOR 4 - LEFT REAR INPUT CIRCUIT LOW (CONTINUED) For the Occupant Classification System circuit diagram (Refer to 8 - ELECTRICAL/RESTRAINTS - SCHEMATICS For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes PASSENGER SEAT HARNESS IMPROPERLY ROUTED PASSENGER SEAT HARNESS WIRES CHAFFED, PIERCED, PINCHED, PARTIALLY BROKEN PASSENGER SEAT HARNESS CONNECTOR TERMINALS BROKEN, BENT PUSHED OUT, SPREAD, (R705) LT-RR SEAT WEIGHT SENSOR SIGNAL CIRCUIT SHORTED TO GROUND (R705) LT-RR SEAT WEIGHT SENSOR SIGNAL CIRCUIT OPEN (R701) SEAT WEIGHT SENSOR 5 VOLT CIRCUIT OPEN LEFT-REAR SEAT WEIGHT SENSOR OCCUPANT CLASSIFICATION MODULE (OCM) Diagnostic Test 1. CHECK FOR ACTIVE INTERNAL FAULTS, IGNITION FAULTS, & BATTERY FAULTS IN THE OCCUPANT NOTE: Ensure the battery is fully charged. NOTE: When reconnecting Airbag system components, the igni- With the scan tool, read Occupant Classification Module (OCM) DTCs. Does the scan tool display any active DTCs relating to internal Yes >> Diagnose and repair the DTCs. Refer to the Table of Con- tents in this Section for a complete list of symptoms. No >> Go To 2 HB RESTRAINTS - ELECTRICAL DIAGNOSTICS 8O - 237 |