MPI <4G63>
ï
Troubleshooting
13D-41
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-A/T-ECU
D
Malfunction of the immobilizer system <Australia>
D
Foreign materials in fuel
Check battery voltage when cranking.
OK:
8 V or higher
NG
Check the battery. (Refer to GROUP 54
ï
Battery.)
OK
YES
Check the immobilizer.
(Refer to GROUP 54
ï
Ignition Key and Immobilizer.)
OK
Can any sound be heard from the injectors when cranking?
NG
Check the injector system. (Refer to P.13D-29, INSPECTION PRO-
CEDURE FOR DIAGNOSIS CODE 41.)
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.
NO
M.U.T.-
II/III
Data list
16 Engine-A/T-ECU power supply voltage (Refer to P.13D-66.)
NG
Check the power supply system and ignition switch-IG system.
(Refer to P.13D-59, INSPECTION PROCEDURE 27.)
OK
Does the camshaft rotate at the engine cranking? (When oil filler
cap is removed.)
NO
Check timing belt for breakage.
YES
M.U.T.-
II/III
Self-Diag code
Are diagnosis codes displayed?
YES
Refer to P.13D-12, INSPECTION CHART FOR DIAGNOSIS
CODES.
NO
M.U.T.-
II/III
Data list
22 Crank angle sensor
OK:
Cranking speed is displayed.
NG
Check the crank angle sensor system. (Refer to P.13D-56,INSPEC-
TION PROCEDURE FOR DIAGNOSIS CODE 22.)
OK
M.U.T.-
II/III
Actuator test
07 Fuel pump (Refer to P.13D-70)
NG
Check the fuel pump system. (Refer to P.13D-60, INSPECTION
PROCEDURE 28.)
OK
M.U.T.-
II/III
Data list
21 Engine coolant temperature sensor (Refer to P.13D-66.)
NG
Check the engine coolant temperature sensor system. (Refer to
P.13D-20, INSPECTION PROCEDURE FOR DIAGNOSIS CODE
21.)
OK
Does the engine tachometer display the cranking speed?
D
Set the tachometer of primary voltage detection type.
NG
Check the ignition coil system. (Refer to P.13D-30, INSPECTION
PROCEDURE FOR DIAGNOSIS CODE 44.)
OK
Check the ignition timing when cranking.
OK:
Approx. 5
_
BTDC
NG
Check that the crank angle sensor is installed properly.
Is an immobilizer-ECU diagnosis code displayed?
Summary of Contents for Lancer 2005
Page 5: ...NOTES ...