Mitsubishi Galant (2004+). Manual — part 1085
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>
13B-33
DIAGNOSTIC TROUBLE CODE CHART
M1131151000787
CAUTION
During diagnosis, a DTC code associated with
other system may be set when the ignition switch
is turned on with connector(s) disconnected. On
completion, confirm all systems for DTC(s). If
DTC(s) are set, erase them all.
DTC
DIAGNOSTIC ITEM
REFERENCE
PAGE
P0101*
Mass airflow circuit range/performance problem
P0102*
Mass airflow circuit low input
P0103*
Mass airflow circuit high input
P0106
Manifold absolute pressure circuit range/performance problem
P0107
Manifold absolute pressure circuit low input
P0108
Manifold absolute pressure circuit high input
P0111*
Intake air temperature circuit range/performance problem
P0112*
Intake air temperature circuit low input
P0113*
Intake air temperature circuit high input
P0116*
Engine coolant temperature circuit range/performance problem
P0117*
Engine coolant temperature circuit low input
P0118*
Engine coolant temperature circuit high input
P0122*
Throttle position sensor (main) circuit low input
P0123*
Throttle position sensor (main) circuit high input
P0125*
Insufficient coolant temperature for closed loop fuel control
P0128
Coolant thermostat (coolant temperature below thermostat regulating
temperature)
P0130
Heated oxygen sensor circuit (bank 1 sensor 1)
P0131
Heated oxygen sensor circuit low voltage (bank 1 sensor 1)
P0132
Heated oxygen sensor circuit high voltage (bank 1 sensor 1)
P0133
Heated oxygen sensor circuit slow response (bank 1 sensor 1)
P0134*
Heated oxygen sensor circuit no activity detected (bank 1 sensor 1)
P0135
Heated oxygen sensor heater circuit (bank 1 sensor 1)
P0136
Heated oxygen sensor circuit (bank 1 sensor 2)
P0137
Heated oxygen sensor circuit low voltage (bank 1 sensor 2)
P0138
Heated oxygen sensor circuit high voltage (bank 1 sensor 2)
P0139
Heated oxygen sensor circuit slow response (bank 1 sensor 2)
P0141
Heated oxygen sensor heater circuit (bank 1 sensor 2)
P0150
Heated oxygen sensor circuit (bank 2 sensor 1)
P0151
Heated oxygen sensor circuit low voltage (bank 2 sensor 1)
P0152
Heated oxygen sensor circuit high voltage (bank 2 sensor 1)
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>
13B-34
P0153
Heated oxygen sensor circuit slow response (bank 2 sensor 1)
P0154*
Heated oxygen sensor circuit no activity detected (bank 2 sensor 1)
P0155
Heated oxygen sensor heater circuit (bank 2 sensor 1)
P0156
Heated oxygen sensor circuit (bank 2 sensor 2)
P0157
Heated oxygen sensor circuit low voltage (bank 2 sensor 2)
P0158
Heated oxygen sensor circuit high voltage (bank 2 sensor 2)
P0159
Heated oxygen sensor circuit slow response (bank 2 sensor 2)
P0161
Heated oxygen sensor heater circuit (bank 2 sensor 2)
P0171
System too lean (bank 1)
P0172
System too rich (bank 1)
P0174
System too lean (bank 2)
P0175
System too rich (bank 2)
P0181
Fuel tank temperature sensor circuit range/performance
P0182
Fuel tank temperature sensor circuit low input
P0183
Fuel tank temperature sensor circuit high input
P0201
Injector circuit-cylinder 1
P0202
Injector circuit-cylinder 2
P0203
Injector circuit-cylinder 3
P0204
Injector circuit-cylinder 4
P0205
Injector circuit-cylinder 5
P0206
Injector circuit-cylinder 6
P0222*
Throttle position sensor (sub) circuit low input
P0223*
Throttle position sensor (sub) circuit high input
P0300
Random/multiple cylinder misfire detected
P0301
Cylinder 1 misfire detected
P0302
Cylinder 2 misfire detected
P0303
Cylinder 3 misfire detected
P0304
Cylinder 4 misfire detected
P0305
Cylinder 5 misfire detected
P0306
Cylinder 6 misfire detected
P0325
Knock sensor circuit
P0335*
Crankshaft position sensor circuit
P0340*
Camshaft position sensor circuit
P0401
Exhaust gas recirculation flow insufficient detected
P0403
Exhaust gas recirculation control circuit
P0421
Warm up catalyst efficiency below threshold (bank 1)
DTC
DIAGNOSTIC ITEM
REFERENCE
PAGE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>
13B-35
P0431
Warm up catalyst efficiency below threshold (bank 2)
P0441
Evaporative emission control system incorrect purge flow
P0442
Evaporative emission control system leak detected (Small leak)
P0443
Evaporative emission control system purge control valve circuit
P0446
Evaporative emission control system vent control circuit
P0451
Evaporative emission control system pressure sensor range/performance
P0452
Evaporative emission control system pressure sensor low input
P0453
Evaporative emission control system pressure sensor high input
P0455
Evaporative emission control system leak detected (Gross leak)
P0456
Evaporative emission control system leak detected (Very small leak)
P0461
Fuel level sensor (main) circuit range/performance
P0506
Idle control system RPM lower than expected
P0507
Idle control system RPM higher than expected
P0513
Immobilizer malfunction
P0551
Power steering pressure switch circuit range/performance
P0554
Power steering pressure switch circuit intermittent
P0606*
Powertrain control module main processor malfunction
P0622
Generator FR terminal circuit malfunction
P0638*
Throttle actuator control motor circuit range/ performance problem
P0642*
Throttle position sensor power supply
P0657
Throttle actuator control motor relay circuit malfunction
P0705
Transmission range
switch circuit malfunction
(PRNDL input)
• A/T DTC No. 27 (Transmission range switch
system: Open circuit)
• A/T DTC No. 28 (Transmission range switch
system: Short circuit)
P0712*
Transmission fluid
temperature sensor low
input
• A/T DTC No. 16 (Transmission fluid
temperature sensor system: Short circuit)
P0713*
Transmission fluid
temperature sensor high
input
• A/T DTC No. 15 (Transmission fluid
temperature sensor system: Open circuit)
P0715*
Input/turbine speed
sensor circuit
• A/T DTC No. 22 (Input shaft speed sensor
system: Short circuit/Open circuit)
P0720*
Output speed sensor
circuit
• A/T DTC No. 23 (Output shaft speed sensor
system: Short circuit/Open circuit)
P0731*
Gear 1 incorrect
• A/T DTC No. 41 (1st gear incorrect ratio)
P0732*
Gear 2 incorrect
• A/T DTC No. 42 (2nd gear incorrect ratio)
P0733*
Gear 3 incorrect
• A/T DTC No. 43 (3rd gear incorrect ratio)
P0734*
Gear 4 incorrect
• A/T DTC No. 44 (4th gear incorrect ratio)
DTC
DIAGNOSTIC ITEM
REFERENCE
PAGE
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <3.8L ENGINE>
13B-36
P0736*
Gear R incorrect
• A/T DTC No. 46 (Reverse gear incorrect
ratio)
P0741
Torque converter clutch
circuit performance or
stuck off
• A/T DTC No. 52 (Torque converter clutch
solenoid system: Defective system)
P0742
Torque converter clutch
circuit stuck on
• A/T DTC No. 53 (Torque converter clutch
solenoid system: Lock-up stuck on)
P0743*
Torque converter clutch
circuit electrical
• A/T DTC No. 36 (Torque converter clutch
solenoid system: Short circuit/Open circuit)
P0753*
Shift solenoid "A"
electrical
• A/T DTC No. 31 (Low and reverse solenoid
valve system: Short circuit/Open circuit)
P0758*
Shift solenoid "B"
electrical
• A/T DTC No. 32 (Underdrive solenoid valve
system: Short circuit/Open circuit)
P0763*
Shift solenoid "C"
electrical
• A/T DTC No. 33 (Second solenoid valve
system: Short circuit/Open circuit)
P0768*
Shift solenoid "D"
electrical
• A/T DTC No. 34 (Overdrive solenoid valve
system: Short circuit/Open circuit)
P1601*
Communication malfunction (between PCM and throttle actuator control
unit)
P1603*
Battery backup line malfunction
P1751*
A/T control relay
malfunction
• A/T DTC No. 54 (A/T control relay system:
Short circuit to ground /open circuit)
P2066
Fuel level sensor (sub) circuit range/performance
P2100*
Throttle actuator control motor circuit (open)
P2101*
Throttle actuator control motor magneto malfunction
P2102*
Throttle actuator control motor circuit (shorted low)
P2103*
Throttle actuator control motor circuit (shorted high)
P2108*
Throttle actuator control processor malfunction
P2122*
Accelerator pedal position sensor (main) circuit low input
P2123*
Accelerator pedal position sensor (main) circuit high input
P2127*
Accelerator pedal position sensor (sub) circuit low input
P2128*
Accelerator pedal position sensor (sub) circuit high input
P2135*
Throttle position sensor (main and sub) range/performance ploblem
P2138*
Accelerator pedal position sensor (main and sub) range/performance
problem
P2227*
Barometric pressure circuit range/performance problem
P2228*
Barometric pressure circuit low input
P2229*
Barometric pressure circuit high input
U1073
Bus off
DTC
DIAGNOSTIC ITEM
REFERENCE
PAGE
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