9A
S.C. TO GROUND AT
CONVERTER LOCK UP CLUTCH
TCU detected a wrong
voltage at the output pin, that
looks like a s.c. to vehicle
ground
cable is defective and is
contacted to vehicle
ground
converter clutch solenoid
has an internal defect
connector pin is contacted
to vehicle ground
no reaction
OP-mode: normal
check the cable from
TCU to the converter
clutch solenoid
check the connectors
from converter clutch
solenoid to TCU
check the resistance
1)
of converter clutch
solenoid
1)
see chapter 4
9B
O
.
C
.
AT CONVERTER LOCK UP
CLUTCH
TCU detected a wrong
voltage at the output pin, that
looks like a o.c. for this
output pin
cable is defective and has
no connection to TCU
converter clutch solenoid
has an internal defect
connector has no
connection to TCU
converter clutch always
open, retarder not
available
OP-mode: normal
check the cable from
TCU to the converter
clutch solenoid
check the connectors
from converter clutch
solenoid to TCU
check the resistance
1)
of converter clutch
solenoid
1)
see chapter 4
9C
S.C. TO BATTERY VOLTAGE AT
CONVERTER LOCK UP CLUTCH
TCU detected a wrong
voltage at the output pin, that
looks like a s.c. to battery
voltage
cable is defective and is
contacted to battery
voltage
converter clutch solenoid
has an internal defect
connector pin is contacted
to battery voltage
no reaction
OP-mode: normal
check the cable from
TCU to the converter
clutch solenoid
check the connectors
from converter clutch
solenoid to TCU
check the resistance
1)
of converter clutch
solenoid
1)
see chapter 4
9D
S
.
C
.
TO GROUND AT RETARDER
TCU detected a wrong
voltage at the output pin, that
looks like a s.c. to vehicle
ground
cable is defective and is
contacted to vehicle
ground
retarder solenoid has an
internal defect
connector pin is contacted
to vehicle ground
no reaction
OP-mode: normal
check the cable from
TCU to the retarder
solenoid
check the connectors
from retarder solenoid
to TCU
check the resistance
1)
of retarder solenoid
1)
see chapter 4
Fault
Code
(hex)
MEANING OF THE FAULT
CODE
Possible reason for fault
detection
Reaction of the
TCU
Possible steps
to repair
Remarks
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