Mitsubishi Eclipse 1990 Service Manual page 432

Scan tool 61
Code General scan tool
No.
27
[Comment]
Background
Grounds for the injector circuits are provided by the PCM.
Battery power is provided through the
This DTC is set if an open or short-circuit
the individual injector.
Range of Check
Battery voltage: or more
relay (ASD relay): ON
Engine: 3000 or less
Set Condition
Counterelectromotive force is not detected for three seconds immediately after injectors
off.
Check the injector. (Refer to
Measure at the injector connector
Disconnect the connector, and measure at the harness side.
SCAN TOOL Actuator test
10 relay (ASD relay)
istumedonandoff
Voltage between 2 and ground
[Measure with the relay (ASD relay) on]
OK: Battery positive voltage
Measure at the PCM connector
Disconnect the connector, and measure at the harness side.
Disconnect PCM connector
the harness-side connector to ground.
Voltage between 16 and ground
OK: Battery positive voltage
Check the
Check trouble svmotom.
Replace the PCM.
ENGINE
Injector Control Circuit
relay. (ASD relay)
is detected in the control
OK
and short terminal (67) of
OK
OK
I
NG
TSB Revision
for
N G
the following connect&s:
OK
Check trouble symptom.
NG
Check the harness wire between the
the injector connector. Repair, if necessary.
NG
Check the following connectors:
Check the harness between PCM and injector connector;
if necessary.
NG
Repair
c a u s e
Open or shorted injector control
Open injector
O p e n
in PCM
Repair
NG