MPI <4G6> -
Troubleshooting
13A-48
INSPECTION PROCEDURE 5
No initial combustion (starting impossible)
Probable cause
In cases such as the above, the cause is probably that a spark plug is defective,
or that the supply of fuel to the combustion chamber is defective.
In addition, foreign materials (water, kerosene, etc.) may be mixed with the fuel.
D
Malfunction of the ignition system
D
Malfunction of the fuel pump system
D
Malfunction of the injectors
D
Malfunction of the engine-ECU <M/T> or
D
Malfunction of the immobilizer system
D
Foreign materials in fuel
OK
Check the following items.
D
Check the ignition coil, spark plugs, spark plug cables.
D
Check if the injectors are clogged.
D
Check if foreign materials (water, alcohol, etc.) got into fuel.
D
Check the compression pressure.
D
Check the immobilizer system.
Yes
Measure at the ignition coil connectors B-01 and B-11
D
Connectors connected
D
Check by connecting the timing light to terminal 1 of each
connector (Engine: Cranking)
OK:
The timing light flashes.
No
Check the ignition circuit system. (Referto P.13A-72,INSPECTION
PROCEDURE 31.)
OK
Can any sound be heard from the injectors when cranking?
No
Check the injector system. (Refer to P.13A-28, INSPECTION PRO-
CEDURE FOR DIAGNOSIS CODE P0201,P0202, P0203, P0204.)
OK
MUT-
II
Data list
21 Engine coolant temperature sensor (Refer to P.13A-75.)
NG
Check the engine coolant temperature sensor system.
(RefertoP.13A-16,INSPECTIONPROCEDURE FORDIAGNOSIS
CODE P0115.)
OK
MUT-
II
Actuator test
07 Fuel pump (Refer to P.13A-80.)
NG
Check the fuel pump system.
(Refer to P.13A-69, INSPECTION PROCEDURE 28.)
No
MUT-
II
Data list
22 Crank angle sensor
OK:
Cranking speed is displayed
No
Check the crank angle sensor system. (Referto P.13A-32,INSPEC-
TION PROCEDURE FOR DIAGNOSIS CODE P0335.)
Yes
MUT-
II
Self-Diag code
Are diagnosis codes displayed?
Yes
Refer to P.13A-8, INSPECTION CHART FOR DIAGNOSIS
CODES.
OK
Does the camshaft rotate at the engine cranking?
(When oil filler cap is removed.)
No
Check timing belt for breakage.
No
MUT-
II
Data list
16 Power supply voltage (Refer to P.13A-75.)
NG
Check the power supply and ignition switch-IG system.
(Refer to P.13A-69, INSPECTION PROCEDURE 27.)
OK
Is immobilizer-ECU diagnosis code displayed?
Yes
Check the immobilizer.
(Refer to GROUP 54 - Ignition Key and Immobilizer.)
Check battery voltage when cranking.
OK:
8 V or higher
NG
Check the battery. (Refer to GROUP 54 - Battery.)
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