E 01-1 – Fuel feedback control error (gasoline) rich
Cause: The engine speed is unstable and it may stop.
Probable cause:
– Intake system defect
– Exhaust system defect
– Sensor defect
– Ignition system defect
– Fuel system defect
– Harness defect
– Engine controller defect
TROUBLESHOOTING Toyota forklift E 01-1 fault code
E 01-2 – Fuel feedback control error (gasoline) lean
Cause: The engine speed is unstable and it may stop.
Probable cause:
– Intake system defect
– Exhaust system defect
– Sensor defect
– Ignition system defect
– Fuel system defect
– Harness defect
– Engine controller defect
TROUBLESHOOTING Toyota forklift E 01-2 fault code
E 01-3 – Fuel feedback control error (LPG) rich
Cause: The engine speed is unstable and it may stop.
Probable cause:
– Intake system defect
– Exhaust system defect
– Sensor defect
– Ignition system defect
– Fuel system defect
– Harness defect
– Engine controller defect
TROUBLESHOOTING Toyota forklift E 01-3 fault code
E 01-4 – Fuel feedback control error (LPG) lean
Cause: The engine speed is unstable and it may stop.
Probable cause:
– Intake system defect
– Exhaust system defect
– Sensor defect
– Ignition system defect
– Fuel system defect
– Harness defect
– Engine controller defect
TROUBLESHOOTING Toyota forklift E 01-4 fault code
E 01-5 – O2 sensor circuit open abnormality
Cause: The engine speed is unstable and it may stop.
Probable cause:
– O2 Sensor defect
– Harness defect
– Engine controller defect
TROUBLESHOOTING Toyota forklift E 01-5 fault code
E 01-6 – O2 sensor heater circuit open abnormality
Cause: Display only
Probable cause:
– O2 Sensor defect
– Harness defect
– Engine controller defect
TROUBLESHOOTING Toyota forklift E 01-4 fault code
E 02-1 – Intake air temperature sensor circuit open abnormality (High input)
The engine may have a problem at low temperatures.
Probable cause:
– Harness defect
– Intake air temperature sensor (air flow meter) defect
– Engine controller defect
TROUBLESHOOTING Toyota forklift E 02-1 fault code (with Toyota 1ZS engine)
TROUBLESHOOTING Toyota forklift E 02-1 fault code (with Toyota 4Y engine)
E 02-2 – Intake air temperature sensor circuit short abnormality (Low input)
The engine may have a problem at low temperatures.
Probable cause:
– Harness defect
– Intake air temperature sensor (air flow meter) defect
– Engine controller defect
E 03-1 – Intake air pressure sensor circuit open abnormality (High input)
The engine may have a problem
Probable cause:
– Intake air pressure sensor defect
– Harness defect
– Engine controller defect
E 03-2 – Intake air pressure sensor circuit short abnormality (Low input)
The engine may have a problem
Probable cause:
– Intake air pressure sensor defect
– Harness defect
– Engine controller defect
E 04-1 – Coolant temperature sensor circuit open abnormality (High input)
The engine may have a problem at low temperatures.
Probable cause:
– Water temperature sensor defect
– Harness defect
– Engine controller defect
E 04-2 – Coolant temperature sensor circuit short abnormality (Low input)
The engine may have a problem at low temperatures.
Probable cause:
– Water temperature sensor defect
– Harness defect
– Engine controller defect
E 04-3 – Coolant temperature sensor circuit malfunction
Probable cause:
– Water temperature sensor defect
– Harness defect
– Engine controller defect
E 05-1 – Throttle position sensor 1 open abnormality
Cause: Limting speed of traveling and materials handling due to limited engine power output
Probable cause:
– Throttle position sensor (with motor) defect
– Harness defect
– Engine controller defect
E 05-2 – Throttle position sensor 1 short abnormality
Cause: Limting speed of traveling and materials handling due to limited engine power output
Probable cause:
– Throttle position sensor (with motor) defect
– Harness defect
– Engine controller defect
E 05-3 – Throttle position sensor 2 open abnormality
Cause: Limting speed of traveling and materials handling due to limited engine power output
Probable cause:
– Throttle position sensor (with motor) defect
– Harness defect
– Engine controller defect
E 05-4 – Throttle position sensor 2 short abnormality
Cause: Limting speed of traveling and materials handling due to limited engine power output
Probable cause:
– Throttle position sensor (with motor) defect
– Harness defect
– Engine controller defect
E 05-5 – Throttle position sensor offset abnormality
Cause: Limting speed of traveling and materials handling due to limited engine power output
Probable cause:
– Throttle position sensor (with motor) defect
– Harness defect
– Engine controller defect
E 05-6 – Throttle position sensor out of range error
Cause: Limting speed of traveling and materials handling due to limited engine power output
Probable cause:
– Throttle position sensor (with motor) defect
– Harness defect
– Engine controller defect
E 06-1 – Throttle motor drive circuit open abnormality
Cause: Limting speed of traveling and materials handling due to limited engine power output
Probable cause:
– Throttle position sensor (with motor) defect
– Harness defect
– Engine controller defect
E 06-2 – Throttle motor drive circuit short abnormality
Cause: Limting speed of traveling and materials handling due to limited engine power output
Probable cause:
– Throttle position sensor (with motor) defect
– Harness defect
– Engine controller defect
E 06-3 – Throttle motor power supply circuit open abnormality
Cause: Limting speed of traveling and materials handling due to limited engine power output
Probable cause:
– Harness defect
– Engine controller defect
E 06-4 – Throttle motor power supply circuit short abnormality
Cause: Limting speed of traveling and materials handling due to limited engine power output
Probable cause:
– Harness defect
– Engine controller defect
E 06-5 – Throttle motor seizing abnormality 19-38
Cause: Limting speed of traveling and materials handling due to limited engine power output
Probable cause:
– Throttle position sensor (with motor) defect
– Harness defect
– Engine controller defect
E 06-6 – Electronic throttle circuit malfunction
Cause: Limting speed of traveling and materials handling due to limited engine power output
Probable cause:
– Engine controller defect
E 07-1 – Fuel control module circuit open abnormality
The engine speed is unstable and it may stop.
Probable cause:
– FCM step motor defect
– Harness defect
– Engine controller defect
E 08-1 – Low voltage (battery line open) error
Display only
Probable cause:
– Harness defect
– Engine controller defect
– Blown fuse (1ZS only)
E 09-1 – Ignition signal error
The engine speed is unstable and it may stop.
Probable cause:
– Ignition coil defect
– Igniter defect
– Harness defect
– Engine controller defect
E 0A-1 – Fuel specification determination signal error
Display only
Probable cause:
– Fuel changeover (LPG) switch defect
– Harness defect
– Engine controller defect
E 0A-2 – Fuel specification changeover switch abnormality
Display only
Probable cause:
– Fuel changeover (LPG) switch defect
– Harness defect
– Engine controller defect
E 0A-3 – Fuel specification type unmatch
Engine may stop
Probable cause:
– Fuel changeover (LPG) switch defect
– Harness defect
– Engine controller defect
E 0A-4 – Engine specification determination error
Limting speed of traveling and materials handling due to limited engine power output.
Probable cause:
– Engine controller defect
E 0C-1 – Air flow meter circuit open abnormality (High input)
Probable cause:
– Harness defect
– Electric power supply to air flow meter defect
– Air flow meter defect
– Engine controller defect
E 0C-2 – Air flow meter circuit short abnormality (Low input)
Probable cause:
– Harness defect
– Electric power supply to air flow meter defect
– Air flow meter defect
– Engine controller defect
E 0D-1 – Atmospheric pressure sensor circuit open abnormality (High input)
Probable cause:
– Engine controller defect
E 0D-2 – Atmospheric pressure sensor circuit short abnormality (Low input)
Probable cause:
– Engine controller defect
E 0D-3 – Atmospheric pressure sensor circuit malfunction
Probable cause:
– Engine controller defect
E 0E-1 – Fuel temperature sensor circuit open abnormality (High input)
Probable cause:
– Harness defect
– Fuel temperature sensor defect
– Engine controller defect
E 0E-2 – Fuel temperature sensor circuit short abnormality (Low input)
Probable cause:
– Harness defect
– Fuel temperature sensor defect
– Engine controller defect
E 0E-4 – Fuel temperature sensor circuit malfunction
Probable cause:
– Harness defect
– Fuel temperature sensor defect
– Engine controller defect
E 11-1 – Exhaust gas recirculation position sensor circuit open abnormality (High input)
Probable cause:
– Harness defect
– Exhaust gas recirculation valve assy defect
– Engine controller defect
E 11-2 – Exhaust gas recirculation position sensor circuit short abnormality (Low input)
Probable cause:
– Harness defect
– Exhaust gas recirculation valve assy defect
– Engine controller defect
E 11-4 – Exhaust gas recirculation valve position abnormality
Probable cause:
– Exhaust gas recirculation valve assy defect
– Engine controller defect
E 11-5 – Exhaust gas recirculation motor circuit open abnormality (High input)
Probable cause:
– Harness defect
– Exhaust gas recirculation valve assy defect
– Engine controller defect
E 11-6 – Exhaust gas recirculation motor circuit short abnormality (Low input)
Probable cause:
– Harness defect
– Exhaust gas recirculation valve assy defect
– Engine controller defect
E 12-1 – Variable nozzle turbocharger vane position sensor circuit open abnormality (High input)
Probable cause:
– Harness defect
– Variable nozzle turbocharger defect
– Engine controller defect
E 12-2 – Variable nozzle turbocharger vane position sensor circuit short abnormality (Low input)
Probable cause:
– Harness defect
– Variable nozzle turbocharger defect
– Engine controller defect
E 12-3 – Variable nozzle turbocharger vane position abnormality
Probable cause:
– Intake system related parts defect
– Exhaust system related parts defect
– Fuel system related parts defect
– Variable nozzle turbocharger sensor defect
– Variable nozzle turbocharger defect
– Exhaust gas recirculation valve assy defect
– Engine controller defect
E 12-4 – Variable nozzle turbocharger vane position feedback malfunction
Probable cause:
– Harness defect
– Variable nozzle turbocharger defect
– Variable nozzle turbocharger sensor defect
– Engine controller defect
E 12-5 – Variable nozzle turbocharger motor circuit open abnormality (High input)
Probable cause:
– Harness defect
– Variable nozzle turbocharger defect
– Engine controller defect
E 12-6 – Variable nozzle turbocharger motor circuit short abnormality (Low input)
Probable cause:
– Harness defect
– Variable nozzle turbocharger defect
– Engine controller defect
E 12-7 – Variable nozzle turbocharger pressure too high
Probable cause:
– Intake system related parts defect
– Exhaust system related parts defect
– Harness defect
– Variable nozzle turbocharger defect
– Exhaust gas recirculation system related parts defect
– Injector defect
– Engine controller defect
E 13-1 – Motor relay contact point open abnormality
Continuation of engine idling status
Probable cause:
– Connector contact defect
– ASC relay defect
– Harness defect
– ASC controller defect
E 13-2 – Motor relay contact point short abnormality
Display only
Probable cause:
– Connector contact defect
– ASC relay defect
– Harness defect
– ASC controller defect
E 13-3 – Motor relay open circuit or load short abnormality
Continuation of engine idling status
Probable cause:
– Connector contact defect
– ASC relay defect
– Harness defect
– ASC controller defect
E 15-1 – NMR switch open abnormality
The engine may idle during full acceleration.
Probable cause:
– Connector contact defect
– NMR switch defect
– Harness defect
– ASC controller defect
– Mechanical system defect (link catching, switch position adjustment, step motor defect etc.)
E 15-2 – NMR switch short abnormality
Continuation of engine idling status
Probable cause:
– Connector contact defect
– NMR switch defect
– Harness defect
– ASC controller defect
– Mechanical system defect (link catching, switch position adjustment, step motor defect etc.)
E 15-3 – Idle / NMR switch simultaneously ON error
Continuation of engine idling status after acceleration off. 19-55
Probable cause:
– Connector contact defect
– NMR switch defect
– Harness defect
– ASC controller defect
– Mechanical system defect (link catching, switch position adjustment, step motor defect etc.)
E 16-1 – Idle switch open abnormality
Continuation of engine idling status
CAUTION: In the case where a 13-1 error is present, service that error first before dealing with this one.
Probable cause:
– Connector contact defect
– Idle switch defect
– Harness defect
– ASC controller defect
– Mechanical system defect (link catching, switch position adjustment, step motor defect etc.)
E 16-2 – Idle switch short abnormality
Continuation of engine idling status
CAUTION: In the case where a 13-1 error is present, service that error first before dealing with this one.
Probable cause:
– Connector contact defect
– Idle switch defect
– Harness defect
– ASC controller defect
– Mechanical system defect (link catching, switch position adjustment, step motor defect etc.)
E 18-1 – (4Y) NE sensor circuit malfunction
Engine stop
(ASC ECU) Engine speed sensor open abnormality
Partial limitation of the drive control function.
CAUTION: If the engine does not crank, troubleshoot “Does not crank” first.
Probable cause:
– Distributor (NE sensor) defect
– Starter defect
– Defect in the part connecting the starter and engine
– Harness defect
– Engine controller defect
E 18-1 – (1ZS) Crank position sensor circuit malfunction
CAUTION: See the troubleshooting procedure of the exclusive engine code P0335 in the 1ZS Repair Manual be cause engine SST is needed to determine the reason for this error.
Probable cause:
– Harness defect
– Crank position sensor defect
– Engine controller defect
– Engine unit (crankshaft angle sensor plate) defect
E 18-1, E 18-2 – (ASC) Crank position sensor abnormality
CAUTION: In the event that the engine stops while traveling, when the ignition key switch is turned from OFF to ON, an 182 error may be detected, however this is not a fault. Stop the vehicle, turn the ignition key switch OFF and restart the engine.
Probable cause:
– Connector contact defect
– Engine speed sensor defect
– Harness defect
– ASC controller defect
E 18-2 – (4Y) NE sensor open abnormality (on start up)
Engine will not start
(ASC ECU) Engine speed sensor GND short abnormality
Partial limitation of the drive control function.
CAUTION: If the engine does not crank, troubleshoot “Does not crank” first.
Probable cause:
– Distributor (NE sensor) defect
– Starter defect
– Defect in the part connecting the starter and engine
– Harness defect
– Engine controller defect
E 18-3 – (4Y) G2 sensor circuit malfunction
Probable cause
– G2 sensor defect
– Harness defect
– Engine controller defect
E 18-3 – (1ZS) Cam position sensor circuit malfunction
CAUTION: See the troubleshooting procedure of the exclusive engine code P0340 in the 1ZS Repair Manual be cause engine SST is needed to determine the reason for this error.
Probable cause:
– Harness defect
– Cam position sensor defect
– Crank position sensor defect
– Engine controller defect
– Engine unit (pump drive shaft pulley) defect
– Engine unit (crankshaft angle sensor plate) defect
E 19-1 – Starter signal circuit malfunction
CAUTION: See the troubleshooting procedure of the exclusive engine code P0617 in the 1ZS Repair Manual be cause engine SST is needed to determine the reason for this error.
Probable cause
– Harness defect
– Ignition switch
– Engine controller defect
E 1B-1 – Common rail pressure sensor circuit open abnormality (High input)
CAUTION: Rail pressure sensor is a portion of common rail assy. See the troubleshooting procedure of the exclusive engine code P0193 in the 1ZS Repair Manual be
cause engine SST is needed to determine the reason for this error.
Probable cause:
– Harness defect
– Common rail assy defect
– Engine controller defect
E 1B-2 – Common rail pressure sensor circuit short abnormality (Low input)
CAUTION: Rail pressure sensor is a portion of common rail assy. See the troubleshooting procedure of the exclusive engine code P0192 in the 1ZS Repair Manual because engine SST is needed to determine the reason for this error.
Probable cause:
– Harness defect
– Common rail assy defect
– Engine controller defect
E 1B-3 – Common rail pressure sensor circuit malfunction
CAUTION: Rail pressure sensor is a portion of common rail assy. See the troubleshooting procedure of the exclusive engine code P0190 in the 1ZS Repair Manual because engine SST is needed to determine the reason for this error.
Probable cause:
– Harness defect
– Common rail assy defect
– Engine controller defect
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