2. If the engine can not be successfully started, carry out the trouble diagnosis and removal as per
Table 1-52.
Table 1-52
S/N Operation Test Results Actions
Yes Remove the trouble
1
Turn the ignition switch to ON. Check if there is
trouble information records with a diagnostic
instrument.
No Next step
Yes 8
2
Take out the spark plug, and make the electrode of
the spark plug 5-10mm from the engine block. Run
the engine with the start motor, and check if the blue
white high voltage fire is produced.
No Next step
Yes Next step
3
Check if the resistance of the high pressure wire is
normal (about 16k/m, if too low, the wire is in trouble).
No
Repair or replace the high
pressure wire
Yes Replace
4
Check each ignition coil for damage or crack.
No Next step
Yes Replace
5 Check the ignition coil for looseness or damage.
No Next step
Yes Next step
6 Check the ignition coil for normal operation.
No Replace
Yes Next step
7
Check if the interfaces of the high pressure coil are
well connected.
No Connect
Yes Next step
8
Turn the ignition switch to ON. Check if the fuel pump
relay and the fuel pump can keep running for 3
seconds.
No
Check and repair fuel pump
circuit
Yes Next step
9
Connect the fuel pressure gauge valve. Short-circuit
the pin J1-47 and the pin J1-73 of the fuel bump relay,
and run the fuel pump. Check if the fuel pressure is
about 300kPa.
No 13
Yes 12
10
Take out the fuel distribution pipe together with the
fuel injector. Disconnect the fuel injector from the
harness. Check the fuel injector for fuel injection with
the voltage of 12V directly from the battery.
No Next step
Yes Next step
11
Clean the fuel injector and check the fuel injector for
fuel injection.
No Replace fuel injector
Yes Replace fuel
12 Check if the fuel is wrong or contains water.
No 18
Yes Next step
13 Check if the fuel pressure is lower than 300kPa.
No 17
Yes Next step
14
Close the fuel gauge valve. Turn on the ignition switch
again and keep the fuel pump working for 3 seconds.
Check if fuel pressure can be produced.
No 16
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