4/1/2024 0 Comments Toyota diagnostic code 51 52defective 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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