Engine Electrical System

2) The engine can run but cannot successfully start up during starting
Item
No.
Operation procedure
Inspection
results
Follow-up procedure
Yes
Fix the indicated
malfunction
1
Turn the ignition switch to “ON” position.
Inspect with the diagnostic tester to see
whether there is any malfunction information
record.
No Proceed to next step.
Yes Proceed to Step 8.
2
Disconnect the cylinder distribution wire and
connect it to the spark plugs, make a space of
5-10mm between the grid of the spark plug
and engine body. Then turn on the engine
with starting motor, verify that there is any
bluish-white high-voltage spark.
No Proceed to next step.
Yes Proceed to next step.
3
Verify that the resistance of the high voltage
cable is normal
No
Repair or replace high
voltage cable
Yes Replace
4
Verify that the cylinder-distribution high
voltage cable and spark plug have any
damage.
No Proceed to next step.
Yes Replace
5
Verify that the cylinder identification rotor
ring in distributor is loose or damaged.
No Proceed to next step.
Yes Proceed to next step.
6 Verify that the ignition coil is normal
No Replace
Yes Proceed to next step.
7
Verify that the plug in connector of the
camshaft is properly connected.
No
Connect the connector
properly
Yes Proceed to next step.
8
Turn the ignition switch to “ON” position.
Verify that the fuel pump relay and fuel
pump is functional.
No
Service the fuel pump
circuit
Yes Proceed to next step.
9
Connect it to the fuel manometer valve.
Make the 30# and 87# pins of fuel pump
relay short so as to operate the fuel pump,
and then verify that the fuel pressure is
maintained at about 350kPa.
No Proceed to Step 13.
Yes Proceed to Step 12.
10
Pull out the fuel distributing pipe together
with the fuel injector and disconnect the fuel
injector connectors on the wiring harness one
by one. Connect a 12V supply directly from
the battery to the fuel injector and verify that
the fuel injector is functioning.
No Proceed to next step.
Yes Proceed to next step.
11
After washing and cleaning the fuel injector,
verify that it is capable of injecting fuel
again.
No
Replace the fuel
injector
E-64
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