P1126/0: Accelerator Sensor Error (Foot Pedal-Open Position) - Yanmar 3TNV82A Troubleshooting Manual

FAILURE DIAGNOSIS

(5) P1126/0: Accelerator Sensor Error (foot pedal-open position)

DTC P1126/0
DTC Detecting Conditions
1 - Precondition; 2 - Detecting condition(s);
3 - Flashing pattern of failure indicator
1. Key switch ON.
2. With sensor voltage 1.1[V] and above, foot pedal Normally Open
switch detected being OFF or foot pedal Normally Closed
Switch detected being ON.
3. Five flashes.
Movement at Error occurrence
Error Mode [Run Under Restrictions]:
The engine runs at a constant rotational speed.
Run restricted? Yes: The target speed is set to the "on-error target speed (standard value: 1500[min
Recovery No.
Conditions
Remarks
Estimation of Failure cause/Error condition
• The connector may not be properly connected.
• Wiring defect of the harness
The wiring for the foot pedal Normally Open switch may be disconnected.
•
The wiring for the foot pedal Normally Closed switch may be short-circuited with GND.
•
• The foot pedal may be faulty.
The inner wiring may be disconnected or short-circuited with GND.
•
• The E-ECU internal circuitry may be faulty.
1-20
DTCs (Diagnostic Trouble Codes) General Description
or "pre-error target speed".
Accelerator Sensor Error (foot pedal-open position)
Harness
Foot pedal
TNV DI Service Manual
Check points
-1
])"