Mitsubishi 3000GT Service Manual page 139

MULTIPORT FUEL INJECTION
DIAGNOSTIC CHART (FAULT TREE)
DTC No.
DTC No.
(MUT-II)
scan tool
mode> mode>
PO100 Volume Air Flow Circuit
Malfunction
Barometric Pressure Circuit
Malfunction
PO110 PO110 Intake Air Temperature Circuit
Malfunction
PO115 Engine Coolant Temperature
PO115
Circuit Malfunction
PO120 PO120 Throttle Position Circuit
Malfunction
PO125 Excessive Time to Enter Closed
Loop Fuel Control'
(Bank 1 Sensor 1)
PO135
function (Bank 1 Sensor 1)
PO136
(Bank 1 Sensor 2)
PO141
function (Bank 1 Sensor 2)
PO150
(Bank 2 Sensor 1)
PO155
function (Bank 2 Sensor 1)
PO156
(Bank 2 Sensor 2)
PO161
function (Bank 2 Sensor 2)
PO170 Fuel Trim Malfunction (Bank 1)
Fuel Trim Malfunction (Bank 2)
PO173
Diagnostic item
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TSB Revision
Check item (Remedy)
Harness and connector
(If harness and connector are normal, replace
volume air flow sensor assembly.)
Harness and connector
(If harness and connector are normal, replace
volume air flow sensor assembly.)
Harness and connector
Intake air temperature sensor
Harness and connector
Engine coolant temperature sensor
Harness and connector
Throttle position sensor
Closed throttle position switch
Injector
Harness and connector
(If harness and connector are normal, replace
Right bank 02 sensor front.)
Harness and connector
Right bank 02 sensor (front) heater
Harness and connector
Right bank 02 sensor (rear)
Harness and connector
Right bank 02 sensor (rear) heater
Harness and connector
(If harness and connector are normal, replace
Left bank 02 sensor front.)
Harness and connector
Left bank 02 sensor (front) heater
Harness and connector
Left bank 02 sensor (rear)
Harness and connector
Left bank 02 sensor (rear) heater
Volume air flow sensor output frequency
Injector
Fuel pressure
Intake air leaks
Engine coolant temperature sensor
Intake air temperature sensor
Barometric pressure sensor
Exhaust manifold cracked
Memory
Retained
Retained
Retained
Retained
Retained
Retained
Retained
Retained
Retained
Retained
Retained
Retained
Retained
Retained
R e t a i n e d