CROWN Forklift Truck Error Codes DTC

A CROWN Forklift Truck Fault Codes DTC list

 

Some CROWN Diagnostic Error Codes (Flash Codes)

 

DTC - PROBABLE FAULT - FAULT ACTION - CORRECTIVE ACTION FIRST CHECK

 

*12

NONE. Signifies the end of one pass through the fault list. NONE. None, used as end of the fault listidentification

*141 (*14)

- ECTRangeLow. Coolant Sensor failure or shorted to GROUND

- TurnOnMil. Check ECT sensor connector and wiring for a short to GROUND

- SECM (Signal) Pin B15 To ECT Pin 3 SECM (Sensor GROUND) Pin B1 to ECT Pin 1

- SECM (System GROUND) Pins A16, B17

 

*151 (*15)

- ECT Range High.Coolant sensor disconnected or open circuit.

- (1) Turn On Mil

- (2) Delayed Engine Shutdown

- (3) Check Engine Light

- Check if ECT sensor connector is disconnected or for an open ECT circuit SECM (Signal) Pin B15 to ECT Pin 3 - SECM (Sensor GROUND) Pin B1 to ECT Pin 1

 

*161 (*16)

- ECTOverTempFault  Engine coolant temperature is high. The sensor has measured an excessive coolant temperature typically due to the engine overheating.

- (1) Turn On Mil

- (2) Delayed Engine Shutdown

- (3) Check Engine Light

- Check coolant system for radiator blockage, proper coolant level and for leaks in the system. Possible ECT short to GROUND, check ECT signal wiring. SECM (Signal) Pin B15 to ECT Pin 3 SECM (Sensor GROUND) Pin B1 to

- ECT Pin 1 SECM (System GROUND) Pin A16, B17

- Check regulator for coolant leaks

 

*171

- ECT_IR_Fault. Engine coolant temperature not changing as expected

- None

- Check for coolant system problems, e.g. defective or stuck thermostat

 

*181

- Fuel Select Conflict

- Conflict in fuel select signals, normally set if both of  the fuel select signals are shorted to ground

- Turn On Mil

- Check fuel select switch connection for a short to GROUND SECM (Signal) Pin A12 SECM (Signal) Pin A15

- SECM (Sensor GROUND) Pin B1

 

*193

- CrankEdgesFaultNo crankshaft signal when engine is known to be rotating, broken crankshaft sensor leads or defective crank sensor

- None

- Check Crankshaft sensor connections SECM (Signal) Pin B5 to Crank sensor Pin 3

- SECM (Sensor GROUND) PIN B1 to Crank sensor Pin 2

- witched 12V to Crank sensor Pin 1

- Check for defective Crank sensor

DTC - PROBABLE FAULT - FAULT ACTION - CORRECTIVE ACTION FIRST CHECK

 

*194

- CrankSyncFault

- Loss of synchronization on the crankshaft sensor, normally due to noise on the signal or an intermittent connection on the crankshaft sensor

- None

- Check Crankshaft sensor connections SECM (SIGNAL) Pin B5 to Crank sensor Pin 3

- SECM (Sensor GROUND) Pin B1 to Crank sensor Pin 2

- Switched 12V to Crank sensor Pin 1

- Check for defective Crank sensor

 

*221 (*22)

- TPS1RangeLow

- TPS1 sensor voltage out of range low, normally set if the TPS1 signal has shorted to ground, circuit has opened or sensor has failed

- TurnOnMil

- Check throttle connector connection and TPS1 sensor for an open circuit or short to GROUND

- SECM Pin B23 (signal) to ETC Pin 6 SECM Pin B1 (sensor GROUND) to

- ETC Pin 2

- SECM (system GROUND) Pin A16, B17

 

*222

- TPS2RangeLow

- TPS2 sensor voltage out of range low, normally set if the TPS2 signal has shorted to ground, circuit has opened or sensor has failed

- TurnOnMil

- Check throttle connector connection and TPS2 sensor for an open circuit or short to GROUND

- SECM Pin B4 (signal) to ETC Pin 5 SECM Pin B1 (sensor GROUND) to ETC Pin 2

- SECM (system GROUND) Pin A16, B17

 

*231 (*23)

- TPS1RangeHigh

- TPS1 sensor voltage out of range high, normally set if the TPS1 signal has shorted to power or the ground for the sensor has opened

- TurnOnMil

- Check throttle connector and TPS1 sensor wiring for a shorted circuit SECM Pin B23 (signal) to ETC Pin 6 SECM - Pin B1 (sensor GROUND) to ETC Pin 2

 

*232

- TPS2RangeHigh

- TPS2 sensor voltage out of range high, normally set if the TPS2 signal has shorted to power or the ground for

the sensor has opened

- TurnOnMil

- Check throttle connector and TPS1 sensor wiring for a shorted circuit SECM Pin B4 (signal) to ETC Pin 5

- SECM pin B1 (sensor GROUND) to ETC Pin 2

 

*241 (*24)

- TPS1AdaptLoMin

- Learned closed throttle end of TPS1 sensor range lower than expected

- None

- Check the throttle connector and pins for corrosion.

- To check the TPS disconnect the throttle connector and measure the resistance from:

- TPS Pin 2 (GROUND) to Pin 6 (TPS1 SIGNAL) (0.7  ± 30%)

- TPS Pin 3 (POWER) to Pin 6 (TPS1 SIGNAL) (1.4  ± 30%)

*242

- TPS2AdaptLoMin

- Learned closed throttle end of TPS2 sensor range lower than expected

- None

- Check the throttle connector and pins for corrosion.

- To check the TPS disconnect the throttle connector and measure the resistance from:

- TPS Pin 2 (GROUND) to Pin 5 (TPS2 SIGNAL) (1.3K  ± 30%)

- TPS PIN 3 (POWER) to PIN 5 (TPS2 SIGNAL) (0.6K  ± 30%)

 

*251 (*25)

- TPS1AdaptHiMax Learned WOT end of TPS1 sensor range higher than expected

- None

- N/A

 

*252

- TPS2AdaptHiMax Learned WOT end of TPS2 sensor range higher than expected

- None

- N/A

 

*271

- TPS1AdaptHiMin

- Learned WOT end of TPS1 sensor range lower than expected

- None

- N/A

 

*272

- TPS2AdaptHiMin

- Learned WOT end of TPS2 sensor range lower than expected

- None

- N/A

 

*281

- TPS1AdaptLoMax

- Learned closed throttle end of TPS1 sensor range higher than expected

- None

- N/A

 

*282

- TPS2AdaptLoMax

- Learned closed throttle end of TPS2 sensor range higher than expected

- None

- N/A

 

*291

- 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.

- (1) TurnOnMil

- (2) Engine Shutdown

- Perform checks for DFCs 241 & 242

*331 (*33)

- MAPTimeRangeLow Manifold Absolute Pressure sensor input is low, normally set if the TMAP pressure signal wire has been disconnected or shorted to ground or the circuit has opened to the SECM

- None

- Check TMAP connector and MAP signal wiring for an open circuit

- TMAP Pin 4 to SECM Pin B18 (signal)

- TMAP Pin 1 to SECM Pin B1 (sensor GROUND)

- TMAP Pin 3 to SECM Pin B24 (XDRP +5 Vdc)

- Check the MAP sensor by disconnecting the TMAP connector and measuring at the sensor

- TMAP Pin 1(GND) to Pin 4 (pressure signal KPA) (2.4k - 8.2k)

- TMAP Pin 3 (power) to Pin 4 (pressure signal KPA) (3.4k - 8.2k)

 

*332

- MAPRangeLow

- Manifold Absolute Pressure sensor input is low, normally set if the TMAP pressure signal wire has been disconnected or shorted to ground or the circuit has opened to the SECM

- (1) TurnOnMil

(- 2) CutThrottle

- Check TMAP connector and MAP signal wiring for an open circuit

- TMAP Pin 4 to SECM Pin B18 (signal)

- TMAP Pin 1 to SECM Pin B1 (sensor GROUND)

- TMAP Pin 3 to SECM Pin B24 (XDRP +5 Vdc)

- Check the MAP sensor by disconnecting the TMAP connector and measuring at the sensor:

- TMAP Pin 1(GROUND) to Pin 4 (pressure signal KPA) (2.4k - 8.2k)

- TMAP Pin 3 (power) to Pin 4 (pressure signal KPA) (3.4k - 8.2k)

 

*341 (*34)

- MAPTimeRangeHigh Manifold Absolute Pressure Sensor Input is High, normally set if the TMAP pressure signal wire has become shorted to power, shorted to the IAT signal, the TMAP has failed or the SECM has failed.

- None

- Check TMAP connector and MAP signal wiring for a shorted circuit TMAP Pin 4 to SECM Pin B18 (signal)

- TMAP Pin 1 to SECM Pin B1 (sensor GROUND)

- TMAP Pin 3 to SECM Pin B24 (XDRP +5 Vdc)

- Check the MAP sensor by disconnecting the TMAP connector and measuring at the sensor

- TMAP Pin 1(GROUND) to Pin 4 (pressure signal KPA) (2.4k - 8.2k)

- TMAP Pin 3 (power) to Pin 4 (pressure signal KPA) (3.4k - 8.2k)