Hyundai Yanmar TNV Series Manual page 79

CONTROL SYSTEM
Flashing patterns of the failure lamp are shown in Figure 2-52. When accelerator sensor failure (flashing 5
time) and EGR valve failure (flashing 1 - 3 times) occur, the failure lamp flashes as shown in Figure 2-52.
When two or more failures have occurred simultaneously, the failure lamp indicates all the failures in order of
increasing number of flashes cyclically.
Power on
2s
On
Off
Power on
On
Off
Connecting the Yanmar genuine service tool to the E-ECU as shown in Figure 2-53 allows status monitoring
or diagnostic testing as well as the indication of detailed failure information, failure log and freeze frame data.
Failure log indications can include time stamps. Table 13 lists attributes available for time stamps.
0 (standard) Accumulated engine run time
See the service tool manual or troubleshooting chart for details.
2-60
3s 0.5s
Upper: Once
2s 3s
Figure 2-52 Flashing patterns of the failure lamp
Table 2-13 Attributes of time stamps
Flag
1 Accumulated E-ECU energization time
2 CAN reception time
Trouble
Indicate in other ECU
Figure 2-53 Connection of the service tool for diagnostic
Accelerator sensor failure
Upper: 5 times
0.5s
ERG valve failure
Lower: 3 times
1.5s 0.5s
Attribute
Fail Safe
Fail Safe
• Limp Home
•Limp Home
• Engine Shut Down
•Engine Shut Down
Customer Panel
Blink Engine Trouble Lamp
CAN
Connector Adapter
(USB-CAN)
3s
On repeatedly
3s
On repeatedly
as much as possible
keep running
Indicate
Trouble Group
Service Tool
Trouble Details
Diagnostics
WindowsPC
TNV Application Manual