FAILURE DIAGNOSIS
1-30
TNV DI Service Manual
DTCs (Diagnostic Trouble Codes) General Description
(5) P1226/0: Spare Accelerator Sensor Error (foot pedal-open position)
DTC Detecting Conditions
Movement at Error occurrence
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.
DTC
P1226/0
Spare Accelerator Sensor Error (foot pedal-open
position)
1 - Precondition; 2 - Detecting condition(s);
3 - Flashing pattern of failure indicator
Check points
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. One flash followed by eight flashes
Harness
Foot pedal
Error detection of main accelerator sensor
Unavailable
Available
Error Mode
[Run As Is]:
The engine continues to run using the
main accelerator sensor.
[Run Under Restrictions]:
The engine runs at a constant rotational
speed.
Run restricted?
No.
Yes: The target speed is set to the "on-
error target speed (standard value:
1500[min
-1
])" or “pre-error target
speed”.
Recovery
Conditions
No.
No.
Remarks
TNV_DI_SM_A4-Troubleshooting.book 30 ページ ２００７年１１月１５日 木曜日 午後５時２７分
