Mitsubishi Eclipse 1990 Service Manual page 389

Items Indicated by the Check Engine/Malfunction Indicator Lamp
DTC No. Items
01 No cam signal at PCM
Internal controller failure
02
EGR solenoid circuit
EVAP solenoid circuit
Injector
20 Injector
21 Injector
25 Idle air control motor circuit
26 Throttle position sensor
27 Throttle position sensor voltage high
Engine coolant temperature voltage too low
30
31 Engine coolant temperature voltage too high
32 Upstream
35 No vehicle speed sensor signal
36 07) MAP sensor voltage too low
37 MAP sensor voltage too high
39 No change in MAP from start to run
Ignition coil
42
Ignition coil
43
46 EGR system failure
57 Intake air temperature sensor voltage low
58 Intake air temperature sensor voltage high
Injector
61
62 Upstream
68 PCM failure
71
92 (PI 490) Low speed fan control relay circuit
93 High speed fan control relay circuit
101 Fuel pump relay control circuit
33) Upstream
Upstream
103
Downstream
Multiple cylinder misfire
(NON-TURBO)>
ENGINE
CHECK ENGINE/MALFUNCTION INDICATOR
As a functional test, the Malfunction Indicator Lamp
illuminates at key-on before engine cranking.
Whenever the Power-train Control Module (PCM) sets a
diagnostic trouble code that effects vehicle emissions, it
illuminates the
diagnostic trouble codes that effect vehicle emissions. The
The
PCM detects active engine misfire.
During active misfire,
operating conditions. The engine operating conditions
recorded by the PCM.
control circuit
control circuit
control circuit
voltage low
stays at center
primary circuit
primary circuit
control circuit
shorted to voltage
communications
temperature volts out of limit
response
heater failure
heater failure
TSB Revision
TEST MODE
The PCM illuminates the
remains on until the diagnostic trouble code is erased.
either flashes or illuminates continuously when
PCM records the
the
I
LAMP
for
, .
,