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• When Monitored: • Set Condition: Possible Causes SEAT POSITION SENSOR CIRCUIT DIAGNOSTIC TROUBLE CODES (G403) DRIVER SEAT RECLINER POSITION SENSE CIRCUIT OPEN (G493) DRIVER SEAT RECLINER POSITION SENSOR GROUND CIRCUIT OPEN (P141) DRIVER SEAT RECLINER UP DRIVER (P143) DRIVER SEAT RECLINER DOWN DRIVER DRIVER RECLINER SEAT ADJUSTER MOTOR MEMORY SEAT MODULE Diagnostic Test 1. CHECK FOR RELATED DIAGNOSTIC TROUBLE CODES Turn the ignition on. With the scan tool, read DTC’s. Does the scan tool display any seat position sensor DTC’s? Yes >> Diagnose and repair the other DTC(s) first. Refer to the Table of Contents in this Section for a complete list of symptoms. No >> Go To 2 2. TEST FOR INTERMITTENT CONDITION Turn the ignition on. With the scan tool, record and erase DTC’s Move the Seat Switch in the Recliner position three times. With the scan tool, read DTC’s. Does the scan tool display B1D87–SEAT BACKREST MOTOR CONTROL CIRCUIT PERFORMANCE? Yes >> Go To 3 No >> The conditions that caused this code to set are not present at this time. Using the wiring diagram/sche- matic as a guide, inspect the wiring and connectors. Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1. 8N - 162 POWER SEATS - ELECTRICAL DIAGNOSTICS LX |