1A-40 Engine General Information and Diagnosis:
11 Check fuel pump for operation
Was fuel pump operating sound heard from fuel filler for
about 2 seconds after ignition switch ON and stop?
Go to “Fuel Pressure
Check”.
Go to “Fuel Pump and
Its Circuit Check”.
12 Check ignition spark
1) Disconnect injector couplers.
2) Remove spark plugs and connect them to high-tension
cords or ignition coil assemblies.
3) Ground spark plugs.
4) Crank engine and check if each spark plug sparks.
Is it in good condition?
Go to Step 13. Go to “Ignition Spark
Test in Section 1H”.
13 Check fuel injector for operation
1) Install spark plugs and connect injector connectors.
2) Using sound scope (1), check operating sound of each
injector (2) when cranking engine.
Was injector operating sound heard from all injectors?
Go to “Engine Symptom
Diagnosis”.
Go to “Fuel Injector
Circuit Check”.
Step Action Yes No
I3RM0A110015-01
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