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(M) Malfunction Indicator Lamp (MIL) illuminated during engine operation if this DTC was recorded (depending if required by CARB and/or EPA). MIL is displayed as an engine icon on instrument panel. (G) Generator lamp illuminated Generic Scan Tool P-Code DRB Scan Tool Display Brief Description of DTC P1480 PCV Solenoid Circuit An open or shorted condition detected in the PCV solenoid circuit. P1481 EATX RPM Pulse Perf EATX RPM pulse generator signal for misfire detection does not correlate with expected value. P1482 Catalyst Temperature Sensor Circuit Shorted Low Catalyst temperature sensor circuit shorted low. P1483 Catalyst Temperature Sensor Circuit Shorted High. Catalyst temperature sensor circuit shorted high. P1484 Catalytic Converter Overheat Detected A catalyst overheat condition has been detected by the catalyst temperature sensor. P1485 Air Injection Solenoid Circuit An open or shorted condition detected in the air assist solenoid circuit. P1486 Evap Leak Monitor Pinched Hose Found LDP has detected a pinched hose in the evaporative hose system. P1487 Hi Speed Rad Fan CTRL Relay Circuit An open or shorted condition detected in the control circuit of the #2 high speed radiator fan control relay. P1488 Auxiliary 5 Volt Supply Output Too Low Auxiliary 5 volt sensor feed is sensed to be below an acceptable limit. P1488 5 Volt Supply Voltage Low Sensor supply voltage for ECM sensors is too low. P1489 High Speed Fan CTRL Relay Circuit An open or shorted condition detected in the control circuit of the high speed radiator fan control relay. P1490 Low Speed Fan CTRL Relay Circuit An open or shorted condition detected in control circuit of the low speed radiator fan control relay. P1491 Rad Fan Control Relay Circuit An open or shorted condition detected in the radiator fan control relay control circuit. This includes PWM solid state relays. P1492 Ambient/Batt Temp Sen Volts Too High External temperature sensor input above acceptable voltage. P1492 (M) Ambient/Batt Temp Sensor Volts Too High Battery temperature sensor input voltage above an acceptable range. P1493 (M) Ambient/Batt Temp Sen Volts Too Low External temperature sensor input below acceptable voltage. P1493 (M) Ambient/Batt Temp Sen Volts Too Low Battery temperature sensor input voltage below an acceptable range. P1494 (M) Leak Detection Pump Sw or Mechanical Fault Incorrect input state detected for the Leak Detection Pump (LDP) pressure switch. P1495 Leak Detection Pump Solenoid Circuit An open or shorted condition detected in the Leak Detection Pump (LDP) solenoid circuit. P1496 5 Volt Supply, Output Too Low 5 volt sensor feed is sensed to be below an acceptable limit. ( less than 4v for 4 sec ) P1498 High Speed Rad Fan Ground CTRL Rly Circuit An open or shorted condition detected in the control circuit of the #3 high speed radiator fan control relay. P1499 Hydraulic cooling fan solenoid circuit An open or shorted condition detected in the cooling fan control solenoid circuit. 25 - 12 EMISSIONS CONTROL AN EMISSIONS CONTROL (Continued) |