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Lotus Service Notes
Section EMP Page 3 DTC Fault description Page P0444 Evaporative Emission System Purge Control Valve Circuit Open 31 P0445 Evaporative Emission System Purge Control Valve Circuit Shorted 31 P0446 Evaporative Emission System Vent Control Circuit 31 P0447 Evaporative Emission System Vent Control Circuit Open 31 P0448 Evaporative Emission System Vent Control Circuit Shorted 31 P0451 Evaporative Emission System Pressure Sensor/Switch Range/Performance 31 P0452 Evaporative Emission System Pressure Sensor/Switch Low 31 P0453 Evaporative Emission System Pressure Sensor/Switch High 31 P0455 Evaporative Emission System Leak Detected (large leak) 29 P0456 Evaporative Emission System Leak Detected (very small leak) 29 P0461 Fuel Level Sensor “A” Circuit Range/Performance 32 P0462 Fuel Level Sensor “A” Circuit Low 32 P0463 Fuel Level Sensor “A” Circuit High 32 P0480 Fan 1 Control Circuit 33 P0481 Fan 2 Control Circuit 33 P0500 Vehicle Speed Sensor “A” 34 P0506 Idle Air Control System RPM Lower Than Expected 35 P0507 Idle Air Control System RPM Higher Than Expected 35 P0508 Idle Air Control System Circuit Low 35 P0509 Idle Air Control System Circuit High 35 P0562 System Voltage Low 36 P0563 System Voltage High 36 P0601 Watchdog 37 P0606 Checksum 37 P0627 Fuel Pump Control Circuit /Open 38 P0646 A/C Clutch Relay Control Circuit Low 39 P0647 A/C Clutch Relay Control Circuit High 39 P1301 Misfire level causing emissions increase 40 P1302 Misfire level causing catalyst system damage 40 P2602 Coolant Pump Control Circuit Low 41 P2603 Coolant Pump Control Circuit High 41 P2646 A Rocker Arm Actuator System Performance or Stuck Off 42 P2647 A Rocker Arm Actuator System Stuck On 42 P2648 A Rocker Arm Actuator Control Circuit Low 42 P2649 A Rocker Arm Actuator Control Circuit High 42 When applicable, reference may be made under the 'Notes' heading to a page in the Toyota service manual. This information should be used only for diagnosis and connection detail of the sensor. The Elise/Exige uses a Lotus ECU, the connections for which may be found in circuit diagrams in Section MP. Diagnostic Trouble Codes should be read using a Lotus Scan tool T000T1418F. For 2006 M.Y. Trouble Codes see Section EMP.6 |