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Fault code
Meaning of the fault code
(Hex)
possible reason for fault detection
E1
S.C. battery voltage at speedometer
output
E2
S.C. to ground or O.C at speedometer
output
E3
S.C. to battery voltage at display output
TCU sends data to the display and
measures always a high voltage level on
the connector
·Cable or connectors are defective and
are contacted to battery voltage
·Display has an internal defect
E4
S
S
.C. to ground at display output
TCU sends data to the display and
measures always a high voltage level on
the connector
·Cable or connectors are defective and
are contacted to battery voltage
·Display has an internal defect
E5
C
C
ommunication failure on DeviceNet
E5
DISPID1 timeout
Timeout of CAN-massage DISPID1 from
display controller
·Interference on CAN-Bus
·CAN wire/connector is defective
·Can wire/connector is defective and has
contact to vehicle ground or battery
voltage
Reaction of the TCU
-
-
No reaction
OP mode : Normal
No reaction
OP mode : Normal
Shift to neutral
OP mode : TCU shutdown
TCU select parameter set with
ID0
OP mode : Limp home
3-34
Possible steps to repair
※
Not used
※
Not used
·
Check the cable from TCU to the
display
·
Check the connectors at the
display
·
Change display
·
Check the cable from TCU to the
display
·
Check the connectors at the
display
·
Change display
·
Check Omron master
·
Check wire of DeviceNet-Bus
·
Check cable to Omron master
·
Check display controller
·
Check wire of CAN-Bus
·
Check cable display controller
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