MPI <4G6> -
Troubleshooting
13A-4
TROUBLESHOOTING
DIAGNOSIS FUNCTION
ENGINE WARNING LAMP (CHECK ENGINE LAMP)
If an abnormality occurs in any of the following items related
to the MPI system, the engine warning lamp will illuminate
or flash. If the lamp remains illuminated or if the lamp
illuminates while the engine is running, check the diagnosis
code output.
However, the warning lamp will illuminate as bulb check for
five seconds whenever the ignition switch is turned to the
ON position.
Engine warning lamp inspection items
Code No. Diagnosis item
- Engine-ECU <M/T> or engine-A/T-ECU <A/T>
P0100 Air flow sensor system
P0105 Barometric pressure sensor system
P0110 Intake air temperature sensor system
P0115 Engine coolant temperature sensor system
P0120 Throttle position sensor system
P0125 Feedback system
P0130 Oxygen sensor (front) system <sensor 1>
P0135 Oxygen sensor heater (front) system <sensor 1>
P0136 Oxygen sensor (rear) system <sensor 2>
P0141 Oxygen sensor heater (rear) system <sensor 2>
P0170 Abnormal fuel system
P0201 No. 1 injector system
P0202 No. 2 injector system
P0203 No. 3 injector system
P0204 No. 4 injector system
P0300
L
Ignition coil (power transistor) system
P0301 No. 1 cylinder misfire detected
P0302 No. 2 cylinder misfire detected
P0303 No. 3 cylinder misfire detected
P0304 No. 4 cylinder misfire detected
P0335 Crank angle sensor system
P0340 Camshaft position sensor system
Engine warning lamp
(check engine lamp)
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