Yanmar 3TNV82A Troubleshooting Manual page 150

FAILURE DIAGNOSIS
Spare Analog (Spare accelerator sensor, Atmospheric pressure sensor)
Related DTC
P0222/4
P0223/3
P0224/2
DTC
P2228/4
P2229/3
P2230/2
Work flow
*For details of the work, see after-mentioned "<Diagnosis Method, Procedure>."For the operation
of the diagnosis tool, see "Diagnosis tool Operation Manual" separately.
Initial diagnosis with the diagnosis tool
A. Check the current
failure display
Current failure
exists.
B. Check the detected
value to estimate the
cause of failure.
1-148
Method and Procedure of Failure Diagnosis
Failure with Spare Accelerator Sensor (Low Voltage)
Spare Accelerator Sensor Error (High Voltage)
Intermittent Failure with Spare Accelerator Sensor
Failure with Atmospheric Pressure Sensor (Low Voltage)
Failure with Atmospheric Pressure Sensor (High Voltage)
Intermittent Failure with Atmospheric Pressure Sensor
DTC in the failure history indication
[Check items]:
Reserved Analog Input 1 (V) "Signal Data (SD)"
• SD ≤ 200 (0.2V)
• 200 (0.2V) < SD < 4600 (4.6V) =
• 4600 (4.6V) ≤ SD
Check the failure
conditions.
>
= Signal wire disconnected?
>
Normal
>
= GND wire disconnected?
TNV DI Service Manual
019479-00E