The Complete Toyota Electric Forklift Fault Code List
How to Find Toyota Forklift Fault Codes
In order to find the fault code for your Toyota forklift, you need to use a diagnostic scanner to connect to the vehicle’s computer and retrieve each fault code. Jaltest is the best diagnostic scanner for retrieving fault codes and finding accurate troubleshooting info, provided by Cojali’s expert engineers with each software update.
In addition to fault code reading and clearing, Jaltest comes with advanced functionalities like parameter customization, regeneration, cylinder cutout testing, and more all within the MHE module.
How Jaltest Retrieves Toyota Forklift Fault Codes
Jaltest retrieves fault codes from Toyota forklifts through a systematic diagnostic process. Here’s how it works:
Connection: A diagnostic tool like Jaltest is connected to the forklift's onboard diagnostic port, typically using an OBD-II or similar cable designed for the specific forklift model.
Communication and Scanning: Once connected, Jaltest communicates with the forklift's Engine Control Unit (ECU). The tool scans for stored fault codes by sending requests to the ECU. It queries for both active and past codes, allowing technicians to identify previous issues with the machine.
Fault Code Retrieval: The system retrieves fault codes that indicate specific issues or malfunctions within various components of the forklift, such as the engine, transmission, or electrical systems.
Live Data Access: In addition to reading fault codes, Jaltest can access live data streams from the ECU, providing real-time information about sensor readings and system performance. This additional information is very helpful for diagnosing the root cause of the fault.
Analysis and Recommendations: After retrieving the fault codes, Jaltest often provides descriptions and suggestions for troubleshooting.
Learn more about how Jaltest troubleshooting works with this quick tutorial!
The Complete Toyota Electric Forklift Fault Code List
Below is the complete Toyota electric forklift fault code list. Once you locate the specific fault code you’re experiencing, you can find the fault code’s meaning through this list. To make finding your code easier, you can click CTRL+F on your keyboard and type in your fault code numbers.
Fuel Feedback / Sensors (4Y-ECS)
01-01: Fuel feedback control error (gasoline) rich – engine speed unstable, may stop
01-02: Fuel feedback control error (gasoline) lean
01-03: Fuel feedback control error (LPG/CNG) rich
01-04: Fuel feedback control error (LPG/CNG) lean
01-05: O2 sensor open abnormality – engine speed unstable, may stop
01-06: O2 sensor heater open abnormality (display only)
02-01: Intake temperature sensor open abnormality – engine may have low-temperature issues
02-02: Intake temperature sensor short abnormality
03-01: Intake pipe pressure sensor open abnormality – engine may have problems
03-02: Intake pipe pressure sensor short abnormality
04-01: Coolant temperature sensor open abnormality – engine may have low-temperature issues
04-02: Coolant temperature sensor short abnormality
05-01: Throttle position sensor 1 open abnormality – limited speed/power
05-02: Throttle position sensor 1 short abnormality
05-03: Throttle position sensor 2 open abnormality
05-04: Throttle position sensor 2 short abnormality
05-05: Throttle position sensor offset abnormality
05-06: Throttle position sensor out of range error
06-01: Throttle motor drive circuit open abnormality – limited travel/handling
06-02: Throttle motor drive circuit short abnormality
06-03: Throttle motor power supply circuit open abnormality
06-04: Throttle motor power supply circuit short abnormality
06-05: Throttle motor seizing abnormality
06-06: Electronic throttle system error
07-01: Air-fuel ratio motor open abnormality – engine unstable, may stop
08-01: Low voltage (battery line open) error – display only
09-01: Ignition signal error – engine unstable, may stop
0A-1: Fuel specification determination signal error – display only
0A-2: Fuel specification changeover switch error – display only
0A-3: Fuel specification type unmatch – engine may stop
0A-4: Engine specification determination error – limited travel/handling
ASC (Accelerator & Motor Control)
13-1: Motor relay contact point open abnormality – engine remains idling
13-2: Motor relay contact point short abnormality – display only
13-3: Motor relay open circuit or load short abnormality – engine remains idling
15-1: NMR switch open abnormality – engine may idle during full acceleration
15-2: NMR switch short abnormality – engine remains idling
15-3: Idle/NMR switch simultaneously ON error – engine idles after acceleration off
16-1: Idle switch open abnormality – engine remains idling
16-2: Idle switch short abnormality
18-1: Cam angle sensor open abnormality – engine stop
18-2: Cam angle sensor open abnormality at startup – engine will not start
18-3: Crank angle sensor open abnormality – display only
1F-1: CPU error – engine idling, max speed limited, auto idle increase limited
SAS/OPS (Stability & Operation Support)
62-1: Tilt angle sensor open abnormality – partial mast limitation
62-2: Tilt angle sensor VCC short abnormality
63-1: Tilt switches simultaneously ON – partial mast limitation
63-2: Tilt switch forward tilt short
63-3: Tilt switch backward tilt short
64-1: Lift lower lock solenoid open/load short abnormality – lift may stop
65-1: Tilt control solenoid open/load short abnormality – forward tilt may stop
66-1: Tilt angle outside matching value range – partial mast limitation
67-1: Lifting height switch open abnormality – limits swing, mast, drive functions
68-1: Lift switch raise/lower ON simultaneously – lowering may stop, idle increase limited
68-2: Lift switch raise short abnormality – idle increase limited
68-3: Lift switch lower short abnormality – lowering may stop
69-1: Backward tilt lock solenoid open/load short – backward tilt may stop
71-1: Tire angle sensor open abnormality – knob offset compensation stops
71-2: Tire angle sensor VCC short abnormality
72-1: Steering-wheel angle sensor SS1 open abnormality – compensation stops
72-2: Steering-wheel angle sensor SS2 open abnormality
72-3: Steering-wheel angle sensor SSC open abnormality
72-4: Steering-wheel angle sensors SS1 & SS2 open abnormality
51-1: Speed sensor open abnormality – speed reads 0, swing/drive limited
51-2: Speed sensor GND short abnormality
52-1: Yaw rate sensor open abnormality – swing control limited
52-2: Yaw rate sensor VCC short abnormality
52-3: Yaw rate sensor neutral voltage error
54-1: Swing lock solenoid open/load short – swing limited
61-1: Load sensor open abnormality – swing, mast, drive limited, no load display
61-2: Load sensor VCC short abnormality
73-1: Knob position compensation solenoid open/load short – compensation stops
74-1: Tire angle outside matching value range – compensation stops
Hydraulic Levers & Potentiometers (SAS/OPS)
H1-1: Lift lever potentiometer open abnormality – lift stop
H1-2: Lift lever potentiometer VCC short abnormality
H1-3: Lift lever potentiometer assembly error
H1-4: Lift lever potentiometer neutral abnormality – material handling disabled
H1-5: Lift lever potentiometer matching value abnormality – lift stop
H2-1: Tilt lever potentiometer open abnormality – tilt stop
H2-2: Tilt lever potentiometer VCC short abnormality
H2-3: Tilt lever potentiometer assembly error
H2-4: Tilt lever potentiometer neutral error – material handling disabled
H2-5: Tilt lever potentiometer matching error – tilt stop
H3-1: Attachment 1 lever potentiometer open abnormality – attachment 1 stop
H3-2: Attachment 1 lever potentiometer VCC short abnormality
H3-3: Attachment 1 lever potentiometer combination error
H3-4: Attachment 1 lever potentiometer neutral abnormality – material handling disabled
H3-5: Attachment 1 lever potentiometer matching value abnormality – attachment 1 stop
H4-1: Attachment 2 lever potentiometer open abnormality – lever 2 stop
H4-2: Attachment 2 lever potentiometer VCC short abnormality
H4-3: Attachment 2 lever potentiometer combination error
H4-4: Attachment 2 lever potentiometer neutral abnormality – material handling disabled
H4-5: Attachment 2 lever potentiometer matching abnormality – lever 2 stop
H5-1: Lift PUSH solenoid open abnormality – lift may stop
H5-2: Lift PULL solenoid open abnormality
H6-1: Tilt PUSH solenoid open abnormality – tilt may stop
H6-2: Tilt PULL solenoid open abnormality
H7-1: Attachment 1 PUSH solenoid open abnormality – attachment 1 may stop
H7-2: Attachment 1 PULL solenoid open abnormality
CAN Communication & System Errors
AD-1: CAN comm error (4Y-ECS/ASC data reception) – partial drive limitation
AD-2: CAN comm error (SAS/OPS data reception) – partial drive limitation
AD-7: CAN comm error (display data reception) – drive limitation, display warning fails
AD-8: Display CAN comm error (SAS/OPS data reception) – display not stable
AF-1~3: CPU error (SAS/OPS) – unstable control operations
AF-4~8: CPU error (SAS/OPS) – unstable control operations
Accelerator Pedal (4Y-ECS / ASC)
C4-1: Accelerator sensor 1 open abnormality – limited travel/handling
C4-2: Accelerator sensor 1 short abnormality
C4-3: Accelerator sensor 2 open abnormality
C4-4: Accelerator sensor 2 short abnormality
C4-5: Accelerator sensor offset abnormality
C4-6: Accelerator sensor out of range error
Shift / Drive Control
C7-1: Shift lever F/R travel switch open abnormality – neutral return disabled
C7-2: Shift lever F/R switches simultaneously ON – traveling may stop
CA-1: Forward/reverse T/C relay open/load short abnormality – traveling enabled even if seat empty
Seat & Brake Switches (SAS/OPS)
A5-1: Seat switch GND short abnormality – travel/handling enabled without seat; brake alarms disabled
A7-1: Brake switch GND short abnormality – partial drive limitation
