LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 1999 >> ES 300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - Tests >> Diagnostic Tests >> DTC P1780: Park/Neutral Position Switch Malfunction >> Notes
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

DTC P1780: Park/Neutral Position Switch Malfunction: Notes

CAUTION: If ECM replacement is instructed in following testing, always ensure ECM harness connector and ground circuit are okay. If either are suspect, repair and repeat testing to confirm ECM malfunction. If ECM is replaced, ECM must be programmed with proper ignition key code for engine immobilizer system. For programming procedures, see COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION.
scientia non olet · About LEMON Manuals