TPS_Sensors_Conflict TPS sensors differ by more than expected amount NOTE: The TPS is not a serviceable item and can only be repaired by replacing the DV-EV throttle assembly. Learned closed throttle end of TPS2 sensor range higher Learned closed throttle end of TPS1 sensor range higher than expected
Learned WOT end of TPS2 sensor range lower than expected Learned WOT end of TPS1 sensor range lower than expected TPS2AdaptHiMax Learned WOT end of TPS2 sensor range higher than TPS1AdaptHiMax Learned WOT end of TPS1 sensor range higher than expected Learned closed throttle end of TPS2 sensor range lower than expected To check the TPS disconnect the throttle connector and measure the resistance from:
Learned closed throttle end of TPS1 sensor range lower than expectedĬheck the throttle connector and pins for corrosion. TPS2 sensor voltage out of range high, normally set if the TPS2 signal has shorted to power or the ground forĬheck throttle connector and TPS1 sensor wiring for a shorted circuit SECM Pin B4 (signal) to ETC Pin 5 TPS1 sensor voltage out of range high, normally set if the TPS1 signal has shorted to power or the ground for the sensor has openedĬheck throttle connector and TPS1 sensor wiring for a shorted circuit SECM Pin B23 (signal) to ETC Pin 6 SECM Pin B1 (sensor GND) to ETC Pin 2 SECM Pin B4 (signal) to ETC Pin 5 SECM Pin B1 (sensor GND) to ETC Pin 2 TPS2 sensor voltage out of range low, normally set if the TPS2 signal has shorted to ground, circuit has opened or sensor has failedĬheck throttle connector connection and TPS2 sensor for an open circuit or short to GND SECM Pin B23 (signal) to ETC Pin 6 SECM Pin B1 (sensor GND) to TPS1 sensor voltage out of range low, normally set if the TPS1 signal has shorted to ground, circuit has opened or sensor has failedĬheck throttle connector connection and TPS1 sensor for an open circuit or short to GND SECM (Sensor GND) Pin B1 to Crank sensor Pin 2 Loss of synchronization on the crankshaft sensor, normally due to noise on the signal or an intermittent connection on the crankshaft sensor SECM (Sensor GND) PIN B1 to Crank sensor Pin 2ĭFC - PROBABLE FAULT - FAULT ACTION* - CORRECTIVE ACTION FIRST CHECK defective or stuck thermostatĬonflict in fuel select signals, normally set if both of the fuel select signals are shorted to groundĬheck fuel select switch connection for a short to GND SECM (SIGNAL) Pin A12 SECM (SIGNAL) Pin A15ĬrankEdgesFaultNo crankshaft signal when engine is known to be rotating, broken crankshaft sensor leads or defective crank sensorĬheck Crankshaft sensor connections SECM (SIGNAL) Pin B5 to Crank sensor Pin 3
Engine coolant temperature not changing as expectedĬheck for coolant system problems, e.g. SECM (Signal) Pin B15 to ECT Pin 3 SECM (SensorĮCT_IR_Fault.
Possible ECT short to GND, check ECT signal wiring. The sensor has measured an excessive coolant temperature typically due to the engine overheating.Ĭheck coolant system for radiator blockage, proper coolant level and for leaks in the system. SECM (Signal) Pin B15 To ECT Pin 3 SECM (Sensor GND) Pin B1 to ECT Pin 1ĮCTRangeHigh.Coolant sensor disconnected or open circuit.Ĭheck if ECT sensor connector is disconnected or for an open ECT circuit SECM (Signal) Pin B15 to ECT Pin 3 SECM (Sensor GND) Pin B1 to ECT Pin 1ĮCTOverTempFault Engine coolant temperature is high. Check ECT sensor connector and wiring for a short to GND NONE. None, used as end of the fault listidentificationĮCTRangeLow. Signifies the end of one pass through the fault list. CROWN Forklift Truck Fault Codes DTC listĬROWN Diagnostic Fault Codes (Flash Codes)ĭTC - PROBABLE FAULT - FAULT ACTION * - CORRECTIVE ACTION FIRST CHECK
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