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Toyota forklift error codes

Indication	Wrench lamp	Spanner	Detection ECU	Error mode	Phenomenon on vehicle
01-01	01-01	Blinking	4Y-ECS	Fuel feedback control error (gasoline) rich	The engine speed is unstable and it may stop.
01-02	01-02	Blinking	4Y-ECS	Fuel feedback control error (gasoline) lean
01-03	01-03	Blinking	4Y-ECS	Fuel feedback control error (LPG/CNG) rich
01-04	01-04	Blinking	4Y-ECS	Fuel feedback control error (LPG/CNG) lean
01-05	01-05	Blinking	4Y-ECS	02 sensor open abnormality	The engine speed is unstable and it may stop.
01-06	01-06	Blinking	4Y-ECS	02 sensor heater open abnormality	Display only
02-01	02-01	Blinking	4Y-ECS	Intake temperature sensor open abnormality	The engine may have a problem at low temperatures.
02-02	02-02	Blinking	4Y-ECS	Intake temperature sensor short abnormality	The engine may have a problem at low temperatures.
03-01	03-01	Blinking	4Y-ECS	Intake pipe pressure sensor open abnormality	The engine may have a problem
03-02	03-02	Blinking	4Y-ECS	Intake pipe pressure sensor short abnormality	The engine may have a problem
04-01	04-01	Blinking	4Y-ECS	Coolant temperature sensor open abnormality	The engine may have a problem at low temperatures.
04-02	04-02	Blinking	4Y-ECS	Coolant temperature sensor short abnormality	The engine may have a problem at low temperatures.
05-01	05-01	Blinking	4Y-ECS	Throttle position sensor 1 open abnormality	Limting speed of traveling and materials handling due to limited engine power output
05-02	05-02	Blinking	4Y-ECS	Throttle position sensor 1 short abnormality
05-03	05-03	Blinking	4Y-ECS	Throttle position sensor 2 open abnormality
05-04	05-04	Blinking	4Y-ECS	Throttle position sensor 2 short abnormality
05-05	05-05	Blinking	4Y-ECS	Throttle position sensor offset abnormality
05-06	05-06	Blinking	4Y-ECS	Throttle position sensor out of range error
06-01	06-01	Blinking	4Y-ECS	Throttle motor drive circuit open abnormality	Limting speed of traveling and materials handling due to limited engine power output
06-02	06-02	Blinking	4Y-ECS	Throttle motor drive circuit short abnormality
06-03	06-03	Blinking	4Y-ECS	Throttle motor power supply circuit open abnormality
06-04	06-04	Blinking	4Y-ECS	Throttle motor power supply circuit short abnormality
06-05	06-05	Blinking	4Y-ECS	Throttle motor seizing abnormality
06-06	06-06	Blinking	4Y-ECS	Electronic throttle system error
07-01	07-01	Blinking	4Y-ECS	Air-fuel ratio motor open abnormality	The engine speed is unstable and it may stop.
08-01	08-01	Blinking	4Y-ECS	Low voltage (battery line open) error	Display only
09-01	09-01	Blinking	4Y-ECS	Ignition signal error	The engine speed is unstable and it may stop.
OA-1	OA-1	Blinking	4Y-ECS	Fuel specification determination signal error	Display only
OA-2	OA-2	Blinking	4Y-ECS	Fuel specification changeover switch error	Display only
OA-3	OA-3	Blinking	4Y-ECS	Fuel specification type unmatch	Engine may stop
62-1	62-1	Blinking	SAS/OPS	Tilt angle sensor open abnormality	Partial limitation of mast control function
62-2	62-2	Blinking	SAS/OPS	Tilt angle sensor VCC short abnormality	Partial limitation of mast control function
63-1	63-1	Blinking	SAS/OPS	Tilt switches simultaneously ON	Partial limitation of mast control function
63-2	63-2	Blinking	SAS/OPS	Tilt switch forward tilt SW short
63-3	63-3	Blinking	SAS/OPS	Tilt switch backward tilt SW short
64-1	64-1	Blinking	SAS/OPS	Lift lower lock solenoid open circuit or load short abnormality	Lift lower may stop
65-1	65-1	Blinking	SAS/OPS	Tilt control solenoid open circuit or load short abnormality	Forward tilt may stop, backward tilt may go fully back
66-1	66-1	Blinking	SAS/OPS	Outside matching value range for tilt angle error	Partial limitation of mast control function
67-1	67-1	Blinking	SAS/OPS	Lifting height switch open abnormality	Partial limitation of the rear wheel swing control function Partial limitation of mast control function Limitation of the drive control function Load indicator display is unsteady
68-1	68-1	Blinking	SAS/OPS	Lift switch raise and lower simultaneously ON error	Lowering may stop Function of automatic idle speed increse during lifting limited
68-2	68-2	Blinking	SAS/OPS	Lift switch raise SW short abnormality	Function of automatic idle speed increse during lifting limited
68-3	68-3	Blinking	SAS/OPS	Lift switch lower SW short abnormality	Lowering may stop
69-1	69-1	Blinking	SAS/OPS	Backward tilt lock solenoid open circuit or load short abnormality	Backward tilt may stop
71-1	71-1	Blinking	SAS/OPS	Tire angle sensor open abnormality	Knob offest compensation stops
71-2	71-2	Blinking	SAS/OPS	Tire angle sensor VCC short abnormality	Knob offest compensation stops
72-1	72-1	Blinking	SAS/OPS	Steering-wheel angle sensor SS1 open abnormality	Knob offest compensation stops
72-2	72-2	Blinking	SAS/OPS	Steering-wheel angle sensor SS2 open abnormality
72-3	72-3	Blinking	SAS/OPS	Steering-wheel angle sensor SSC open abnormality
72-4	72-4	Blinking	SAS/OPS	Steering-wheel angle sensors S51 and SS2 open abnormality

Indication	Wrench lamp	Spanner	Detection ECU	Error mode	Phenomenon on vehicle
OA-4	OA-4	Blinking	4Y-ECS	Engine specification determination error	Limting speed of traveling and materials handling due to limited engine power output
13-1	13-1	Blinking	ASC	Motor relay contact point open abnormality	Continuation of engine idling status
13-2	13-2	Blinking	ASC	Motor relay contact point short abnormality	Display only
13-3	13-3	Blinking	ASC	Motor relay open circuit or load short abnormality	Continuation of engine idling status
15-1	15-1	Blinking	ASC	NMR switch open abnormality	The engine may idle during full acceleration.
15-2	15-2	Blinking	ASC	NMR switch short abnormality	Continuation of engine idling status
15-3	15-3	Blinking	ASC	Idle / NMR switch simultaneously ON error	Continuation of engine idling status after acceleration off.
16-1	16-1	Blinking	ASC	Idle switch open abnormality	Continuation of engine idling status
16-2	16-2	Blinking	ASC	Idle switch short abnormality	Continuation of engine idling status
18-1	18-1	Blinking	4Y-ECS	Cam angle sensor open abnormality	Engine stop
18-1	18-1	Blinking	ASC	Engine speed sensor open abnormality	Partial limitation of the drive control function.
18-2	18-2	Blinking	4Y-ECS	Cam angle sensor open abnormality (on start up)	Engine will not start
18-2	18-2	Blinking	ASC	Engine speed sensor GND short abnormality	Partial limitation of the drive control function.
18-3	18-3	Blinking	4Y-ECS	Crank angle sensor open abnormality	Display only
1 F-1 — 8	1 F-1 — 8	Blinking	ASC	CPU error	Continuation of engine idling status Maximum speed may be limited Function of automatic idle speed increse during lifting limited
41-1	41-1	Blinking	SAS/OPS	Matching connector open abnormality	Display only
51-1	51-1	Blinking	SAS/OPS	Speed sensor open abnormality	The vehicle speed indicator shows 0 km/h Partial limitation of the rear wheel swing control function. Knob offest compensation stops Partial limitation of the drive control function.
51-2	51-2	Blinking	SAS/OPS	Speed sensor GND short abnormality
52-1	52-1	Blinking	SAS/OPS	Yaw rate sensor open abnormality	Partial limitation of the rear wheel swing control function
52-2	52-2	Blinking	SAS/OPS	Yaw rate sensor VCC short abnormality
52-3	52-3	Blinking	SAS/OPS	Yaw rate sensor neutral voltage error
54-1	54-1	Blinking	SAS/OPS	Swing lock solenoid open circuit or load short abnormality	Partial limitation of the rear wheel swing control function
61-1	61-1	Blinking	SAS/OPS	Load sensor open abnormality	Partial limitation of the rear wheel swing control function Partial limitation of mast control function Limitation of the drive control function Load indicator cannot display
61-2	61-2	Blinking	SAS/OPS	Load sensor VCC short abnormality

Indication	lamp lamp	Spanner	Detection ECU	Error mode	Phenomenon on vehicle
EC-1	EC-1	Blinking	SAS/OPS	Unload solenoid open circuit or load short abnormality	Travelling and material handling enabled even after leaving the seat.
F1-1	-	Blinking	Meter	SAS/OPS data reception error	Display only
F2-1	-	Blinking	Meter	SAS/OPS data reception error	Display only
F4-1 - 8	F4-1 - 8	Blinking	Display	CPU error	Display not stable
H1-1	H1-1	Blinking	SAS/OPS	Lift lever potentiometer open abnormality	Lift stop
H1-2	H1-2	Blinking	SAS/OPS	Lift lever potentiometer VCC short abnormality
H1-3	H1-3	Blinking	SAS/OPS	Lift lever potentiometer assembly error
H1-4	H1-4	Blinking	SAS/OPS	Lift lever potentiometer neutral abnormality	Material handling disabled
H1-5	H1-5	Blinking	SAS/OPS	Lift lever potentiometer matching value abnormality	Lift stop
H2-1	H2-1	Blinking	SAS/OPS	Tilt lever potentiometer open abnormality	Tilt stop
H2-2	H2-2	Blinking	SAS/OPS	Tilt lever potentiometer VCC short abnormality
H2-3	H2-3	Blinking	SAS/OPS	Tilt lever potentiometer assembly error
H2-4	H2-4	Blinking	SAS/OPS	Tilt lever potentiometer neutral error abnormality	Material handling disabled
H2-5	H2-5	Blinking	SAS/OPS	Tilt lever potentiometer matching error	Tilt stop
H3-1	H3-1	Blinking	SAS/OPS	Attachment 1 lever potentiometer open abnormality	Attachment 1 stop
H3-2	I-13-2	Blinking	SAS/OPS	Attachment 1 lever potentiometer VCC short abnormality
H3-3	H3-3	Blinking	SAS/OPS	Attachment 1 lever potentiometer combination error
H3-4	H3-4	Blinking	SAS/OPS	Attachment 1 lever potentiometer neutral abnormality	Material handling disabled
H3-5	H3-5	Blinking	SAS/OPS	Attachment 1 lever potentiometer matching value abnormality	Attachment 1 stop
H4-1	H4-1	Blinking	SAS/OPS	Attachment 2 lever potentiometer open abnormality	Lever 2 stop
H4-2	H4-2	Blinking	SAS/OPS	Attachment 2 lever potentiometer VCC short abnormality
H4-3	H4-3	Blinking	SAS/OPS	Attachment 2 lever potentiometer combination error
H4-4	H4-4	Blinking	SAS/OPS	Attachment 2 lever potentiometer neutral abnormality	Material handling disabled
H4-5	H4-5	Blinking	SAS/OPS	Attachment 2 lever potentiometer matching value abnormality	Lever 2 stop
H5-1	H5-1	Blinking	SAS/OPS	Lift PUSH solenoid open abnormality	Lift may stop
H5-2	H5-2	Blinking	SAS/OPS	Lift PULL solenoid open abnormality	Lift may stop
H6-1	H6-1	Blinking	SAS/OPS	Tilt PUSH solenoid open abnormality	Tilt may stop
H6-2	H6-2	Blinking	SAS/OPS	Tilt PULL solenoid open abnormality	Tilt may stop
H7-1	H7-1	Blinking	SAS/OPS	Attachment 1 PUSH solenoid open abnormality	Attachment 1 may stop
H7-2	H7-2	Blinking	SAS/OPS	Attachment 1 PULL solenoid open abnormality	Attachment 1 may stop

Indication	Wrench lamp	Spanner	Detection ECU	Error mode	Phenomenon on vehicle
73-1	73-1	Blinking	SAS/OPS	Knob position compensation solenoid open circuit or load short abnormality	Knob offest compensation stops
74-1	74-1	Blinking	SAS/OPS	Outside matching value range for tire angle error	Knob offest compensation stops
A5-1	A5-1	Blinking	SAS/OPS	Seat switch GND short abnormality	Traveling and material handling possible even after leaving the seat. Parking brake reminder and release reminder alarm partially disabled.
A7-1	A7-1	Blinking	SAS/OPS	Brake switch GND short abnormality	Partial limitation of the drive control function
AD-1	AD-1	Blinking	SAS/OPS	CAN communication 4Y-ECS or ASC data reception error	Partial limitation of the drive control function
AD-2	AD-2	Blinking	4Y-ECS	CAN communication SAS/OPS data reception error	Partial limitation of the drive control function
AD-7	AD-7	Blinking	SAS/OPS	CAN communication display data reception error	Limitation of the drive control function Function of automatic idle speed increse during lifting limited Display warning function operation failure
AD-8	AD-8		Display	CAN communication SAS/OPS data reception error	Display not stable
AF-1 - 3	AF-1 - 3	On	SAS/OPS	CPU error	Various control operations not stable
AF-4 - 8	AF-4 - 8	Blinking	SAS/OPS	CPU error	Various control operations not stable
C4-1	C4-1	Blinking	4Y-ECS	Accelerator sensor 1 open	Limting speed of traveling and materials handling due to limited engine power output
C4-1	C4-1	Blinking	ASC	Accelerator sensor 1 open
C4-2	C4-2	Blinking	4Y-ECS	Accelerator sensor 1 short
C4-2	C4-2	Blinking	ASC	Accelerator sensor 1 short
C4-3	C4-3	Blinking	4Y-ECS	Accelerator sensor 2 open
C4-3	C4-3	Blinking	ASC	Accelerator sensor 2 open
C4-4	C4-4	Blinking	4Y-ECS	Accelerator sensor 2 short
C4-4	C4-4	Blinking	ASC	Accelerator sensor 2 short
C4-5	C4-5	Blinking	4Y-ECS	Accelerator sensor offset abnormality
C4-5	C4-5	Blinking	ASC	Accelerator sensor offset abnormality
C4-6	C4-6	Blinking	4Y-ECS	Accelerator sensor out of range error
C7-1	C7-1	Blinking	SAS/OPS	Shift lever forward and reverse travel switch open abnormality	Travel return to neutral operation disabled Partial limitation of the drive control function.
C7-2	C7-2	Blinking	SAS/OPS	Shift lever forward and reverse travel switches simultaneously ON error	Travelling may stop Partial limitation of the drive control function.
CA-1	CA-1	Blinking	SAS/OPS	Forward and reverse travel T/C relay open circuit or load short abnormality	Travelling and material handling enabled even after leaving the seat.

WARNING LIST

Caution:

If the wrench lamp illuminates and the following phenomena occur on the vehicle without an error being displayed, it is not a fault. Take the appropriate corrective action.

Indication	Memory	Wrench lamp	Detection ECU	Phenomenon on vehicle	Content of warning	Appropriate corrective action
Water temperatur e gauge flashing	OB-1	—	4Y-ECS	Top speed and load lifting speed are limited. (Only when OPT equipped)	Overheat	Leave the vehicle at idle for a while
—	—	On	SAS/OPS	Swing lock control is always locked Knob offset occurrence Material handling disabled (mini lever) Material handling except lifting disabled	High battery voltage	Use a battery of the specified voltage
—	—	On	SAS/OPS	Swing lock control is always locked	Low battery voltage	Charge or replace the battery
—	—	On	SAS/OPS	Tilt operates to forward most tilt position	Forward tilt restriction angle not matching	Carry out matching for each item
—	—	On	SAS/OPS	Tilt disabled with the knob switch in the ON position	Auto leveling angle not matching
—	—	On	SAS/OPS	Tilt operates to forward most tilt position Tilt disabled with the knob switch in the ON position	SAS/OPS NIL load not matching (NL: No-load)
—	—	On	SAS/OPS	Knob offset occurrence	Tire angle not matching
—	—	On	SAS/OPS	Swing lock control disabled	Swing leveling not matching
—	—	On	SAS/OPS	Lift stop	Lift lever not matching
—	—	On	SAS/OPS	Tilt stop	Tilt lever not matching
—	—	On	SAS/OPS	Attachment 1 stop	Attachment 1 not matching
—	—	On	SAS/OPS	Attachment 2 stop	Attachment 2 not matching

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