CROWN Forklift Truck Error Codes DTC

CROWN Forklift Truck Fault Codes DTC list

 

CROWN Diagnostic Fault 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 GND

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

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

SECM (System GND) Pin A16, B17

151 (15)

ECTRangeHigh.Coolant sensor disconnected or open circuit.

(1) TurnOnMil

(2) DelayedEngine Shutdown

(3) CheckEngineLight

Check 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 1

161 (16)

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

(1) TurnOnMil

(2) DelayedEngine Shutdown

(3) CheckEngineLight

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

ECT Pin 1 SECM (System GND) 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

FuelSelectConflict

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

TurnOnMil

Check fuel select switch connection for a short to GND SECM (SIGNAL) Pin A12 SECM (SIGNAL) Pin A15

SECM (Sensor GND) 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 GND) PIN B1 to Crank sensor Pin 2

Switched 12V to Crank sensor Pin 1

Check for defective Crank sensor

DFC - 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 GND) 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 GND

SECM Pin B23 (signal) to ETC Pin 6 SECM Pin B1 (sensor GND) to

ETC Pin 2

SECM (system GND) 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 GND

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

SECM (system GND) 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 GND) 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 GND) 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 (GND) to Pin 6 (TPS1 SIGNAL) (0.7  ± 30%)

TPS Pin 3 (PWR) 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 (GND) to Pin 5 (TPS2 SIGNAL) (1.3K  ± 30%)

TPS PIN 3 (PWR) 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 GND)

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 GND)

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)

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 GND)

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)