Mitsubishi Eclipse 1990 Service Manual page 455

Scan tool 146
Code General scan too!
No.
14
[Comment)
The PCM supplies a regulated B-volts to the
This DTC is set when both the
too low of voltage.
Range of Check
Ignition switch: ON
Set Condition
feed circuit drops below 4 volts for over four seconds.
Measure at the position sensor connector
Disconnect the connector, and measure at the harness side.
Voltage between 3 and ground
(Ignition switch: ON)
OK: 4.8
.
Check the following
Replace the PCM.
ENGINE (NON-TURBO)>
5 Volts Supply output
and MAP sensor.
and MAP sensors have the sensing
N
OK
OK
TSB Revision
Low'
Check harness wire between the PCM
connector. Repair, if necessary.
G
Check the following connectors:
Check harness wire between the PCM and the TPS
necessary;
NG
Repair
supply circuit grounded
PCM failed
the MAP sensor
Repair
,