Mitsubishi Eclipse 1990 Service Manual page 1041

INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS
INSPECTION PROCEDURE 1
Communication with scan tool is not possible
communication with the scan tool is not possible, the cause is probably a defective diagnosis
line or the TCM is not functioning.
is communication with other systems
possible using the scan tool?
Yes
Disconnect the connector and mea-
sure at the harness side.
Voltages between terminals
(25) and ground
OK: Battery positive voltage
Continuity between terminal
.
Check the following connectors;
OK
the TCM and power supply. Repair,
Check the harness wire between
the TCM and ground. Repair, if nec-
INSPECTION PROCEDURE 2
Starting impossible (will not crank)
[Comment]
Starting is not possible when the selector lever is in
is probably a defective engine system, torque converter or oil pump.
Engine system check
Check the control system, ignition
system, fuel system and main
thing is normal.
If there is an repair or
replace the engine
After completion
Torque converter check
Check to be sure that the torque
converter installation is not defec-
tive (inserted at an angle, etc.).
If there is an abnormality, carry out
repairs. However, if the
damaged and repairs are not pos-
sible, replace the torque converter
assembly.
AUTOMATIC TRANSAXLE
ENGINE (TURBO) AND
Check the diagnosis line with scan tool.
Repair, if necessary.
NG
Check the following connectors:
Replace the TCM.
NG
Repair
range. In such cases, the cause
or
After completion
are
TSB Revision
ENGINE> Troubleshooting
Probable cause
M a l f u n c t i o n o f d i a g n o s i s l i n e
Malfunction of TCM power supply
Malfunction of TCM ground circuit
Malfunction of TCM
NG
Probable cause
Malfunction of engine system
Malfunction of torque converter
Malfunction of torque converter
Malfunction of oil pump
Refer to Automatic Transaxle Overhaul
Oil pump check
Check to be sure that there are no
abnormalities such as oil pump
zure, side
or loosening of
If there is an abnormality, replace
the oil pump assembly.
Repair
Sei-